Electrodeless trigger type zero-degree emitting metal square shell laser maintaining wide-spectrum light source

Abstract

An electrodeless trigger type zero-degree emitting metal square shell laser maintaining wide-spectrum light source relates to the technical field of light source equipment and comprises a metal lamp shell, an electrodeless trigger unit, a zero-degree emitting unit, a light beam adjusting unit and a heat dissipation temperature control unit. The electrodeless trigger unit comprises a trigger integrated lamp shell, an electrodeless trigger lamp chamber is fixed to the longitudinal inner wall of the trigger integrated lamp shell, a spherical trigger inner cavity is formed in the electrodeless trigger lamp chamber, and the trigger inner cavity is filled with xenon. A continuous laser is fixed to the transverse outer wall of the trigger integrated lamp shell, a horizontal mounting plate is welded to the inner wall of the middle section of the trigger integrated lamp shell, and a pulse laser is fixed to the horizontal mounting plate. The problems that a traditional wide-spectrum light source is poor in trigger stability, short in service life, inconvenient in spectrum adjustment, low in precision, insufficient in light beam separation and emission precision, uneven in heat dissipation, low in modularization degree, difficult to maintain, large in light path loss, poor in light beam quality and the like are solved.

Description

Technical Field

[0001] This invention relates to the field of light source equipment technology, specifically to a stepless triggering zero-degree emission metal square shell laser sustaining broadband light source. Background Technology

[0002] Broadband light sources are core equipment in fields such as precision testing, industrial lighting, and optical experiments. Their beam quality, stability, adjustment flexibility, and lifespan directly affect the end-application results. As the precision requirements for light sources in these fields continue to increase, traditional broadband light sources are gradually revealing numerous technical shortcomings: In terms of triggering methods, traditional broadband light sources mostly adopt electrode triggering mode. Electrodes are prone to oxidation, wear and arc erosion under high-voltage working environment, which not only leads to poor consistency of plasma excitation, but also requires frequent shutdowns to replace electrodes, which seriously affects the continuous operating life of the equipment. At the same time, the working medium (such as xenon gas) in the trigger cavity cannot be replenished in time after consumption, which further aggravates the decay of triggering stability.

[0003] Regarding the emission method, the current mainstream emission method mostly adopts white light emission at 90°. White light has defects in optical characteristics, such as low roundness, large divergence angle, and significantly low brightness. The intensity distribution of the laser focal spot is not good. When observed against the direction of white light emission, the intensity at the laser focal spot does not have a circular symmetry distribution feature. The overall distribution is neither symmetrical nor uniform. There are shortcomings in the spatial distribution of white light energy. The generation and maintenance of plasma are not effectively constrained by the laser divergence angle, resulting in low energy density of white light in angular space and uneven energy distribution.

[0004] Regarding the lamp chamber material, fused silica is usually used. However, the consistency of quartz material molding is poor, which affects the uniformity of light emission. Quartz material has high absorption rate and poor transmittance for deep ultraviolet spectrum, which can easily lead to spectral limitation. In addition, during long-term high-temperature operation, the reliability and stability of quartz bulb shell are difficult to guarantee, and the uniformity of light emission is affected by the shape of the bulb due to the presence of bright and dark stripes.

[0005] In terms of spectral adjustment, the existing equipment's filter structure is mostly fixed or requires disassembly to replace the filter, which is cumbersome and has limited applicability. The dimming method often adopts mechanical shading or lens displacement structure, which is prone to mechanical wear after long-term use, resulting in a decrease in dimming accuracy and making it difficult to meet the diverse needs of different application scenarios for spectral range and beam intensity.

[0006] In beam processing, traditional hybrid light separation structures have low separation efficiency, white light and laser are prone to mutual interference, and the emission direction of the separated beams is inconsistent with poor, with large coaxiality errors, which cannot meet the requirements of high-precision optical applications for beam direction accuracy. At the same time, due to unreasonable component matching in the optical path design, the energy loss during beam transmission is serious, and the homogenization and focusing accuracy are insufficient, affecting the output quality of the light source.

[0007] In the field of heat dissipation and temperature control, traditional broadband light sources mostly adopt a single surface water-cooling or air-cooling structure, and the cooling range only covers some core components. This results in uneven temperature distribution inside the equipment, frequent local overheating, and consequently causes problems such as decreased beam quality and accelerated component aging, which limits the stability of the equipment during long-term high-load operation.

[0008] In terms of structural maintenance, most existing light source equipment is an integrated design with low modularity. The replacement and maintenance of core components (such as filter modules and dimming modules) require disassembling the entire equipment, which is complicated, time-consuming and labor-intensive, significantly increasing maintenance costs and downtime.

[0009] The aforementioned technical shortcomings severely restrict the application expansion of broadband light sources in terms of high precision, high stability, and multi-scenario adaptability. Therefore, there is an urgent need to develop a broadband light source device that features stable triggering, flexible spectral adjustment, excellent beam quality, reliable heat dissipation, and convenient maintenance to address the deficiencies of existing technologies. Summary of the Invention

[0010] To address the shortcomings of existing technologies, this invention provides a stepless triggering zero-degree emission metal square shell laser sustaining broadband light source, which solves the problems of traditional broadband light sources, such as poor triggering stability, short lifespan, inconvenient spectrum adjustment and accuracy decay, insufficient beam separation and emission accuracy, uneven heat dissipation, modular design and difficult maintenance, high optical path loss and poor beam quality.

[0011] To achieve the above objectives, the present invention provides the following technical solution: A stepless triggering zero-degree emission metal square shell laser sustaining broadband light source includes a metal lamp shell, a stepless triggering unit, a zero-degree emission unit, a beam adjustment unit, and a heat dissipation and temperature control unit.

[0012] As an optimized solution, the metal lamp housing includes a main lamp housing, a secondary lamp housing, and two side lamp housings, wherein the secondary lamp housing is detachably mounted on the main lamp housing.

[0013] As an optimized solution, the stepless triggering unit includes a trigger integrated lamp housing fixedly disposed within the main lamp housing. A stepless triggering lamp chamber is fixed on the longitudinal inner wall of the trigger integrated lamp housing. The stepless triggering lamp chamber is a square shell made of metal. A spherical triggering cavity is opened inside the stepless triggering lamp chamber, and the triggering cavity is filled with xenon gas.

[0014] As an optimized solution, a mixed light emission outlet communicating with the trigger cavity is provided on the transverse outer wall of the stepless trigger lamp chamber, and a sealing window is fixed inside the mixed light emission outlet.

[0015] As an optimized solution, a continuous laser is fixed on the transverse outer wall of the trigger integrated lamp housing, and the continuous laser is connected to the stepless trigger lamp chamber through an optical fiber.

[0016] As an optimized solution, a horizontal mounting plate is welded to the inner wall of the middle section of the trigger integrated lamp housing, and a pulsed laser is fixed on the horizontal mounting plate. The upper end of the pulsed laser is connected to the stepless trigger lamp chamber through an optical fiber.

[0017] As an optimized solution, the beam adjustment unit includes a beam shaper, a filter module, and a dimming module. The filter module includes a disc-shaped wheel with four centrally symmetrical filter ports, each of which contains a filter.

[0018] As an optimized solution, both the main lamp housing and the auxiliary lamp housing are square shells with a horizontal single-sided opening. The open ends of the main lamp housing and the auxiliary lamp housing are arranged opposite each other and are fixedly connected by locking buckles and bolts.

[0019] As an optimized solution, the two side lamp housings are respectively welded to the transverse outer walls on both sides of the main lamp housing and connected to the main lamp housing.

[0020] As an optimized solution, a rotating mounting bracket is fixed on the transverse inner wall of the main lamp housing, and the disc-shaped wheel is mounted on the rotating mounting bracket.

[0021] As an optimized solution, each of the side lamp housings has a rotating communication port on its lateral outer wall, and the two lateral ends of the disc-shaped wheel pass through the two rotating communication ports and extend to their outer sides.

[0022] As an optimized solution, the dimming module includes a transparent fixing chamber, which is snap-fitted between the two side lamp housings.

[0023] As an optimized solution, the zero-degree emission unit includes a beam splitter, which is disposed inside the main lamp housing. The beam splitter includes a T-shaped upper splitter and an L-shaped lower splitter.

[0024] As an optimized solution, one end of the upper shunt tube is fixedly installed on the transverse outer wall of the stepless trigger lamp chamber and connected to the mixed light emission outlet.

[0025] As an optimized solution, the beam shaper is located inside the upper shunt tube.

[0026] As an optimized solution, the lower end of the upper shunt tube is fixed to the upper surface of the horizontal mounting plate, the upper end of the lower shunt tube is fixed to the lower surface of the horizontal mounting plate, and the end of the horizontal mounting plate is provided with an optical path communication port connecting the upper shunt tube and the lower shunt tube.

[0027] As an optimized solution, a separation laser emission outlet is provided on the transverse sidewall near the lower end of the main lamp housing, and the transverse end of the lower shunt tube is connected to the separation laser emission outlet.

[0028] As an optimized solution, one end of the horizontal portion of the upper diversion pipe is fixed to the transverse outer wall of the transparent fixed chamber.

[0029] As an optimized solution, a beam splitter is fixed at the tee connection of the upper shunt tube. The beam splitter is set at a 45° angle. The beam splitter allows white light to pass through and reflects the laser, thereby achieving the separation of white light in the mixed light.

[0030] As an optimized solution, a laser reflector is fixed at the L-shaped corner of the lower shunt tube.

[0031] As an optimized solution, the heat dissipation and temperature control unit includes a water-cooled heat sink, which consists of upper and lower parts, and the two parts are fixedly connected by four vertical square tubes.

[0032] As an optimized solution, the upper half of the water-cooled heat sink is disposed close to the upper surface of the main lamp housing, and the lower half of the water-cooled heat sink is disposed close to the lower surface of the main lamp housing.

[0033] As an optimized solution, the four vertical square tubes are arranged close to the outer side wall of the main lamp housing and the side lamp housing.

[0034] As an optimized solution, each of the vertical square tubes is connected to a cooling water pipe. The cooling water pipe is located inside the main lamp housing and extends vertically. The upper and lower ends of the cooling water pipe pass through the side wall of the main lamp housing and are connected to the vertical square tube.

[0035] As an optimized solution, the water-cooled heat sink has two water inlet pipes on one side of its upper surface and two drain pipes on the horizontal outer wall near the lower end.

[0036] As an optimized solution, the stepless trigger lamp chamber is connected to a xenon gas replenishment tube. The upper end of the xenon gas replenishment tube passes through the upper side wall of the trigger integrated lamp housing and extends to its outer side. An electronic check valve is provided on the xenon gas replenishment tube.

[0037] Compared with the prior art, the beneficial effects of the present invention are: 1. Significantly Improved Trigger Stability and Equipment Lifespan: Using laser triggering instead of traditional electrode triggering avoids electrode wear, oxidation, and arc erosion under high-voltage operating conditions, reducing the probability of trigger unit failure. Combined with a recyclable xenon replenishment tube design, it continuously maintains the stability of the xenon concentration within the trigger cavity, ensuring consistent plasma excitation. This extends the continuous operating life of the equipment by more than 30% compared to traditional electrode-based light sources, while reducing downtime for maintenance due to electrode replacement. Furthermore, electrodeless light sources offer the following advantages: a fully immersive environment, improving internal equipment cleanliness; no electrode involvement, avoiding pollution from electrode volatilization; avoidance of high-voltage circuit contamination; no electrode sealing, resulting in uniform stress; the ability to use a flat window to improve the uniformity of angular spatial energy distribution; not limited to quartz materials, expanding the ultraviolet spectrum; and avoidance of arc instability, improving the lighting success rate.

[0038] 2. Enhanced flexibility and adaptability of spectral adjustment: The filter module enables rapid switching between four different wavelength filters through a disc-shaped rotating wheel. Combined with the rotation control structure on the outside of the side lamp housing, the spectral range can be adjusted without disassembling the equipment.

[0039] 3. Optimized beam separation efficiency and emission accuracy: The beam splitter, set at a 45° angle, achieves efficient separation of white light and laser in the mixed light, with a separation efficiency of over 95%, avoiding mutual interference between the two beams; the beam splitter adopts a combination structure of a T-shaped upper splitter and an L-shaped lower splitter, so that the separated white light and laser are emitted in a zero-degree parallel state, and the beam coaxiality error is controlled within ±0.1°, meeting the requirements of high-precision optical applications for beam direction consistency.

[0040] 4. Uniform and reliable heat dissipation and temperature control: The heat dissipation and temperature control unit adopts an all-around fitted water-cooling structure. The upper and lower parts of the water-cooled heat sink are closely attached to the upper and lower surfaces of the main lamp housing, respectively. Four vertical square tubes are attached to the outer walls of the main lamp housing and the side lamp housing. At the same time, the cooling water pipes extend into the interior of the main lamp housing, forming an "inner and outer surround" cooling circuit. This ensures that the temperature of the core heat-generating components is uniformly controlled below 50℃, effectively avoiding problems such as decreased beam quality and accelerated component aging caused by local overheating, and ensuring the stability of the equipment under long-term high-load operation.

[0041] 5. Improved ease of disassembly and maintenance: The metal lamp housing adopts a design where the main lamp housing and the auxiliary lamp housing can be detachably connected, and quick disassembly and assembly can be achieved through locking buckles and bolts; key components such as the disc-type rotating wheel of the filter module and the transparent fixed chamber of the dimming module all adopt a modular installation structure, and the relevant operation interfaces are all located on the outside of the equipment, which facilitates the replacement of filters and filling gas and the inspection of components, reducing the difficulty and cost of maintenance.

[0042] 6. Advantages of "0" degree white light emission: The white light output by this invention is in the same direction as the laser transmission. If viewed against the direction of the white light, the intensity at the laser focal spot is circularly symmetrically distributed, which is both symmetrical and uniform. The white light is generated along the direction of laser transmission. In this case, the white light produced has high roundness, small divergence angle, and high brightness (more than 2 times higher than the existing case where the white light is perpendicular to the laser). Plasma is generated and maintained within the laser irradiation range. Therefore, under the "constraint" of the laser divergence angle, the white light has high energy density in the angular space, more uniform distribution, and better consistency of the produced products.

[0043] 7. The manufacturing difficulty of the lamp chamber is greatly reduced, while the reliability and consistency are significantly improved.

[0044] Existing lamp chambers (or bulbs) are typically made of blown quartz, which makes it difficult to ensure product consistency and limits the shape of the lamp chamber. In this invention, the lamp chamber is made of metal, which is easy to process, provides good product consistency, and offers excellent heat dissipation. Furthermore, the window can be made of a material with high transmittance, such as magnesium fluoride, which has high transmittance (especially below 193nm) and a high laser damage threshold, for deep ultraviolet spectroscopy. Traditional bulbs, on the other hand, typically use high-purity quartz because of material ductility considerations. Attached Figure Description

[0045] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0046] Figure 1 This is a schematic diagram of the overall external structure of the present invention in the main viewing direction; Figure 2 This is a schematic diagram of the overall external structure of the present invention from a top-down perspective; Figure 3 This is a schematic diagram of the overall external structure of the present invention from the left-side view direction; Figure 4 This is an isometric schematic diagram of the three-dimensional structure of the present invention; Figure 5 For the present invention along Figure 2 A schematic diagram of the internal structure cut along line AA in the middle; Figure 6 For the present invention along Figure 1 A schematic diagram of the internal structure cut along the middle BB line; Figure 7 For the present invention along Figure 1 A schematic diagram of the internal structure cut along the CC line; Figure 8 For the present invention along Figure 1 A schematic diagram of the internal structure cut along the DD line in the middle; Figure 9 For the present invention along Figure 2 A schematic diagram of the internal structure cut along the EE line; Figure 10 For the present invention along Figure 2 A schematic diagram of the internal structure cut along the FF line.

[0047] In the diagram: 1-Main lamp housing, 2-Sub-lamp housing, 3-Side lamp housing, 4-Locking buckle, 5-Trigger integrated lamp housing, 6-Stepless trigger lamp chamber, 7-Trigger inner cavity, 8-Mixed light emission outlet, 9-Sealing window, 10-Continuous laser, 11-Horizontal mounting plate, 12-Pulsed laser, 13-Xenon gas replenishment tube, 14-Electronic check valve, 15-Beam shaper, 16-Disc-type rotating wheel, 17-Filter port, 18-Filter, 19-Rotating mounting bracket, 20-Rotating connection port, 21-Transparent fixed chamber, 22-Drain pipe, 23-Upper splitter pipe, 24-Lower splitter pipe, 25-Separated laser emission outlet, 26-Optical path connection port, 27-Water inlet pipe, 28-Beam splitter, 29-Water-cooled heat sink, 30-Vertical square column tube, 31-Cooling water pipe. Detailed Implementation

[0048] The embodiments of the technical solution of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the technical solution of the present invention and are therefore intended to limit the scope of protection of the present invention.

[0049] like Figures 1 to 10 The stepless triggering zero-degree emission metal square shell laser sustaining broadband light source shown includes a metal lamp shell, a stepless triggering unit, a zero-degree emission unit, a beam adjustment unit, and a heat dissipation and temperature control unit.

[0050] The metal lamp housing includes a main lamp housing 1 and a secondary lamp housing 2. The secondary lamp housing 2 is detachably mounted on the main lamp housing 1. The metal lamp housing also includes two side lamp housings 3.

[0051] Both the main lamp housing 1 and the auxiliary lamp housing 2 are square shells with a horizontal single-sided opening. The open ends of the main lamp housing 1 and the auxiliary lamp housing 2 are positioned opposite each other and are fixedly connected by locking buckles 4 and bolts.

[0052] The two side lamp housings 3 are respectively welded to the horizontal outer walls on both sides of the main lamp housing 1 and are connected to the main lamp housing 1.

[0053] The stepless triggering unit includes a trigger integrated lamp housing 5, which is welded to and connected to the closed transverse end face of the main lamp housing 1.

[0054] A stepless trigger lamp chamber 6 is fixed on the longitudinal inner wall of the trigger integrated lamp housing 5. The stepless trigger lamp chamber 6 is a square shell made of metal. A spherical trigger cavity 7 is opened inside the stepless trigger lamp chamber 6, and the trigger cavity 7 is filled with xenon gas.

[0055] A mixed light emission outlet 8, which is connected to the triggering cavity 7, is provided on the transverse outer wall of the stepless trigger lamp chamber 6. A sealing window 9 is fixed inside the mixed light emission outlet 8.

[0056] A continuous laser 10 is fixed on the transverse outer wall of the trigger integrated lamp housing 5. The continuous laser 10 is connected to the stepless trigger lamp chamber 6 through an optical fiber. The continuous laser generated by the continuous laser 10 can be directly injected into the trigger cavity 7.

[0057] A horizontal mounting plate 11 is welded to the inner wall of the middle section of the trigger integrated lamp housing 5. A pulsed laser 12 is fixed on the horizontal mounting plate 11. The upper end of the pulsed laser 12 is connected to the electrodeless trigger lamp chamber 6 through an optical fiber. The trigger laser generated by the pulsed laser 12 can be directly injected into the trigger cavity 7 to replace the electrode as the trigger energy source of the plasma.

[0058] The stepless trigger lamp chamber 6 is connected to a xenon gas replenishment tube 13. The upper end of the xenon gas replenishment tube 13 passes through the upper side wall of the trigger integrated lamp housing 5 and extends to its outer side. An electronic check valve 14 is provided on the xenon gas replenishment tube 13.

[0059] The beam adjustment unit includes a filter module and a dimming module. The filter module includes a disc-shaped rotating wheel 16, on which four centrally symmetrical filter ports 17 are opened. Each filter port 17 has a filter 18 fixed inside it, and the wavelengths of the four filters 18 are different from each other.

[0060] A rotating mounting bracket 19 is fixed on the transverse inner wall of the main lamp housing 1, and a disc-shaped rotating wheel 16 is mounted on the rotating mounting bracket 19.

[0061] Each side lamp housing 3 has a rotating connection port 20 on its transverse outer wall. The two transverse ends of the disc-shaped wheel 16 pass through the two rotating connection ports 20 and extend to their outer sides.

[0062] The dimming module includes a transparent fixed chamber 21, which is fixed between two side lamp housings 3.

[0063] The zero-degree emission unit includes a beam splitter, which is located inside the main lamp housing 1. The beam splitter includes a T-shaped upper splitter 23 and an L-shaped lower splitter 24.

[0064] One end of the upper shunt tube 23 is fixedly installed on the transverse outer wall of the stepless trigger lamp chamber 6 and connected to the mixed light outlet 8.

[0065] The beam adjustment unit also includes a beam shaper 15, which is located inside the upper splitter tube 23.

[0066] The lower end of the upper splitter tube 23 is fixed to the upper surface of the horizontal mounting plate 11, and the upper end of the lower splitter tube 24 is fixed to the lower surface of the horizontal mounting plate 11. The end of the horizontal mounting plate 11 is provided with an optical path connection port 26 connecting the upper splitter tube 23 and the lower splitter tube 24. The main lamp housing 1 is provided with a separation laser emission outlet 25 on the transverse side wall near the lower end. The transverse end of the lower splitter tube 24 is connected to the separation laser emission outlet 25.

[0067] One end of the horizontal section of the upper diversion pipe 23 is fixed to the transverse outer wall of the transparent fixed chamber 21.

[0068] A beam splitter 28 is fixed at the tee connection of the upper shunt tube 23. The beam splitter 28 is set at a 45° angle. The beam splitter 28 allows white light to pass through and reflects the laser, thereby achieving the separation of white light in the mixed light.

[0069] A laser reflector is fixed at the L-shaped corner of the lower shunt tube 24.

[0070] The heat dissipation and temperature control unit includes a water-cooled heat sink 29, which consists of upper and lower parts, and the two parts are fixedly connected by four vertical square tubes 30.

[0071] The upper half of the water-cooled heat sink 29 is attached to the upper surface of the main lamp housing 1, and the lower half of the water-cooled heat sink 29 is attached to the lower surface of the main lamp housing 1.

[0072] Four vertical square tubes 30 are installed close to the outer walls of the main lamp housing 1 and the side lamp housing 3.

[0073] Each vertical square tube 30 is connected to a cooling water pipe 31. The cooling water pipe 31 is located inside the main lamp housing 1 and extends vertically. The upper and lower ends of the cooling water pipe 31 pass through the side wall of the main lamp housing 1 and are connected to the vertical square tube 30.

[0074] Two water inlet pipes 27 are provided on one side of the upper surface of the water-cooled heat sink 29, and two drain pipes 22 are provided on the horizontal outer wall of the water-cooled heat sink 29 near the lower end.

[0075] When using this invention: First, proceed to the trigger preparation stage: Open the electronic stop valve 14 on the xenon gas replenishment tube 13 to fill the spherical trigger cavity 7 of the stepless trigger lamp chamber 6 with xenon gas. After the xenon gas in the cavity reaches the preset concentration, close the electronic stop valve 14 to complete the preparation of the plasma triggering medium.

[0076] Then, the plasma triggering stage begins: the continuous laser 10 and the pulsed laser 12 are started synchronously. The lasers generated by the two are transmitted through optical fiber to the triggering cavity 7 of the electrodeless triggering lamp chamber 6. The laser energy replaces the traditional electrode energy to excite the xenon gas in the cavity, causing the xenon gas to ionize and form plasma. The stimulated emission of the plasma produces a beam of light that is a mixture of initial laser and broadband white light.

[0077] Then, the beam enters the initial beam shaping stage: the mixed beam is emitted from the mixed light emission outlet 8 of the stepless trigger lamp chamber 6, passes through the sealing window 9 inside the emission outlet, and enters the beam shaper 15 fixed to the outer wall of the lamp chamber. The beam shaper 15 collimates and homogenizes the mixed beam, corrects the problems of beam divergence angle and uneven energy distribution, and obtains a regular mixed beam.

[0078] Next, the beam enters the white light separation and zero-degree transmission stage: the dimmed mixed beam enters the beam splitter tube inside the auxiliary lamp housing 2, first entering the horizontal section of the upper splitter tube 23. When the beam reaches the three-way connector, it strikes the beam splitter 28, which is set at a 45° angle. The beam splitter 28 allows white light to pass through while reflecting the laser, thus separating the white light and the laser in the mixed beam. The white light passing through the beam splitter 28 is transmitted horizontally along the upper splitter tube 23 and emitted in a horizontal direction; the reflected laser enters the lower splitter tube 24 through the optical path connection port 26. Under the action of the laser reflector at the L-shaped corner of the lower splitter tube 24, the transmission direction is adjusted, and finally it is emitted through the separated laser emission outlet 25.

[0079] Then, the beam enters the spectral filtering stage: the shaped mixed beam enters the filtering module, and the preset wavelength filter 18 is switched to the optical path channel by rotating the disc-type rotating wheel 16 installed on the rotating mounting bracket 19 on the inner wall of the main lamp housing 1. The disc-type rotating wheel 16 achieves external drive control through the rotating communication port 20 of the side lamp housing 3. The filter 18 performs spectral screening on the mixed beam, filters out stray wavelength light, and obtains a beam within the target spectral range.

[0080] The filtered light beam passes through the transparent fixed chamber 21 and then exits.

[0081] Throughout the entire operation of the equipment, the heat dissipation and temperature control unit works synchronously. Cooling water flows into the upper half of the cavity through the inlet pipe 27 on the upper surface of the water-cooled heat dissipation box 29, and then flows into the lower half of the cavity of the water-cooled heat dissipation box 29 through four vertical square column pipes 30 that are close to the outer walls of the main lamp housing 1 and the side lamp housing 3. At the same time, the cooling water pipe 31 delivers cooling water to the inside of the main lamp housing 1 to directly cool the core heat-generating components. The cooling water that has completed heat exchange is discharged through the drain pipe 22 at the lower end of the water-cooled heat dissipation box 29, forming a closed-loop water cooling circuit. This achieves uniform temperature control of key components such as the metal lamp housing, the stepless trigger unit, and the beam adjustment unit, ensuring the long-term stable operation of the equipment.

[0082] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention.

Claims

1. A stepless triggering zero-degree emission metal square-shell laser sustaining broadband light source, characterized in that: Includes a metal lamp housing, a stepless trigger unit, a zero-degree emission unit, a beam adjustment unit, and a heat dissipation and temperature control unit; The metal lamp housing includes a main lamp housing, a secondary lamp housing, and two side lamp housings, wherein the secondary lamp housing is detachably mounted on the main lamp housing; The stepless triggering unit includes a trigger integrated lamp housing fixedly disposed inside the main lamp housing. A stepless triggering lamp chamber is fixed on the longitudinal inner wall of the trigger integrated lamp housing. The stepless triggering lamp chamber is a square shell made of metal. A spherical triggering inner cavity is opened inside the stepless triggering lamp chamber, and the triggering inner cavity is filled with xenon gas. The outer wall of the stepless trigger lamp chamber is provided with a mixed light emission outlet that communicates with the trigger cavity, and a sealing window is fixed inside the mixed light emission outlet. A continuous laser is fixed on the transverse outer wall of the trigger integrated lamp housing, and the continuous laser is connected to the stepless trigger lamp chamber through an optical fiber. A horizontal mounting plate is welded to the inner wall of the middle section of the trigger integrated lamp housing. A pulsed laser is fixed on the horizontal mounting plate. The upper end of the pulsed laser is connected to the stepless trigger lamp chamber through an optical fiber. The beam adjustment unit includes a beam shaper, a filter module, and a dimming module. The filter module includes a disc-shaped wheel with four centrally symmetrical filter ports, each of which contains a filter.

2. The stepless triggering zero-degree emission metal square shell laser sustaining broadband light source according to claim 1, characterized in that: Both the main lamp housing and the auxiliary lamp housing are square shells with a horizontal single-sided opening. The open ends of the main lamp housing and the auxiliary lamp housing are arranged opposite each other and are fixedly connected by locking buckles and bolts. The two side lamp housings are respectively welded to the transverse outer walls on both sides of the main lamp housing and are connected to the main lamp housing.

3. The stepless triggering zero-degree emission metal square shell laser sustaining broadband light source according to claim 2, characterized in that: A rotating mounting bracket is fixed on the transverse inner wall of the main lamp housing, and the disc-shaped wheel is mounted on the rotating mounting bracket.

4. The stepless triggering zero-degree emission metal square shell laser sustaining broadband light source according to claim 3, characterized in that: Each of the side lamp housings has a rotating communication port on its lateral outer wall, and the two lateral ends of the disc-shaped wheel pass through the two rotating communication ports and extend to their outer sides.

5. The stepless triggering zero-degree emission metal square shell laser sustaining broadband light source according to claim 4, characterized in that: The dimming module includes a transparent fixed chamber, which is snapped and fixed between the two side lamp housings.

6. The stepless triggering zero-degree emission metal square shell laser sustaining broadband light source according to claim 5, characterized in that: The zero-degree emission unit includes a beam splitter, which is located inside the main lamp housing. The beam splitter includes a T-shaped upper splitter and an L-shaped lower splitter. One end of the upper shunt tube is fixedly installed on the transverse outer wall of the stepless trigger lamp chamber and connected to the mixed light emission outlet; The beam shaper is located inside the upper shunt tube; The lower end of the upper shunt tube is fixed to the upper surface of the horizontal mounting plate, and the upper end of the lower shunt tube is fixed to the lower surface of the horizontal mounting plate. The end of the horizontal mounting plate is provided with an optical path communication port connecting the upper shunt tube and the lower shunt tube. A separation laser emission outlet is provided on the transverse side wall near the lower end of the main lamp housing, and the transverse end of the lower shunt tube is connected to the separation laser emission outlet.

7. The stepless triggering zero-degree emission metal square shell laser sustaining broadband light source according to claim 6, characterized in that: One end of the horizontal portion of the upper diversion pipe is fixed to the transverse outer wall of the transparent fixed chamber; A beam splitter is fixed at the tee connection of the upper shunt tube. The beam splitter is set at a 45° angle. The beam splitter allows white light to pass through and reflects the laser, thereby achieving the separation of white light in the mixed light. A laser reflector is fixed at the L-shaped corner of the lower shunt tube.

8. The stepless triggering zero-degree emission metal square shell laser sustaining broadband light source according to claim 7, characterized in that: The heat dissipation and temperature control unit includes a water-cooled heat sink, which consists of upper and lower parts, and the two parts are fixedly connected by four vertical square tubes. The upper half of the water-cooled heat sink is disposed in close contact with the upper surface of the main lamp housing, and the lower half of the water-cooled heat sink is disposed in close contact with the lower surface of the main lamp housing. The four vertical square tubes are arranged close to the outer walls of the main lamp housing and the side lamp housing.

9. The stepless triggering zero-degree emission metal square shell laser sustaining broadband light source according to claim 8, characterized in that: Each of the vertical square tubes is connected to a cooling water pipe. The cooling water pipe is located inside the main lamp housing and extends vertically. The upper and lower ends of the cooling water pipe pass through the side wall of the main lamp housing and are connected to the vertical square tube. Two water inlet pipes are provided on one side of the upper surface of the water-cooled heat sink, and two drain pipes are provided on the horizontal outer wall of the water-cooled heat sink near the lower end.

10. The stepless triggering zero-degree emission metal square shell laser sustaining broadband light source according to claim 9, characterized in that: The stepless trigger lamp chamber is connected to a xenon gas replenishment tube. The upper end of the xenon gas replenishment tube passes through the upper side wall of the trigger integrated lamp housing and extends to its outer side. An electronic check valve is provided on the xenon gas replenishment tube.

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