42results about How to "Small divergence angle" patented technology

The embodiment of the invention relates to a multi-junction VCSEL device, a VCSEL chip, a laser radar system and a light source of the laser radar system. The multi-junction VCSEL device comprises a substrate; the bottom reflecting mirror structure and the top reflecting mirror structure are stacked on the substrate; the bottom reflector structure and the top reflector structure define a resonant cavity structure used for generating standing waves. The resonant cavity structure comprises a plurality of active regions and a plurality of photoelectric limiting layers, each photoelectric limiting layer is located at one side, far away from the substrate, of the corresponding active region, and the photoelectric limiting layers are located at wave troughs of standing waves and are used for limiting a light emitting region of the multi-junction VCSEL device; and the light field regulation and control layers are arranged adjacent to the photoelectric limiting layer, the light field regulation and control layers are configured to divide the light field in the resonant cavity structure into at least three sections, and the intensity of each section of the light field is different.

The invention provides a 6G communication vanadium dioxide dual-function terahertz metasurface and coding metasurface, the vanadium dioxide dual-function terahertz metasurface comprises at least one metasurface unit structure, and each metasurface unit structure comprises a silicon layer, an intermediate dielectric layer and a phase change layer which are sequentially arranged from top to bottom. The silicon layer is a square silicon column with the same side length, the four corner positions of the square silicon column are corner square blocks with the same side length, the maximum length of the corner square blocks located on the same side of the square silicon column forms the structural side length of the square silicon column, and the phase change layer is a square block which is made of vanadium dioxide and has the same side length. Vanadium dioxide of the phase change layer is in a medium state, and the metasurface unit structure transmits terahertz wave beams. At high temperature, vanadium dioxide of the phase change layer is in a metal state, the metasurface unit structure reflects terahertz wave beams, and the terahertz coding metasurface is designed based on the vanadium dioxide dual-function terahertz metasurface and can be applied to the field of 6G communication.

The invention discloses a chip atom vector magnetometer based on a topological posture surface emitting laser. The device is characterized by comprising a topological posture PCSEL, a beam shaping unit, a polarizer, a quarter-wave plate, a voltage-controlled laser polarization rotator, an atomic gas chamber, a Wollaston prism, a dual-channel photoelectric detector, a filter module, a laser frequency stabilization unit, a precession signal modulation and demodulation module and a laser polarization and Larmor magnetic field direction adjustment module, the system comprises a two-dimensional Larmor magnetic field coil, a servo feedback module, a direct digital frequency synthesis module and a high-stability crystal oscillator. The topological posture laser is used for the chip atom vector magnetometer, magnetic vector parameter measurement which is more immune to temperature fluctuation and more excellent in performance is innovatively achieved for an external magnetic field, complete information of the vector magnetic field can be measured at the same time, and the chip atom vector magnetometer can be used for the fields of material defect detection, mineral oil and gas exploration, underwater magnetic target positioning and the like.

The invention discloses a cold cathode microfocus X-ray tube based on double electrostatic lenses, which belongs to the technical field of X-ray tubes, and comprises a shell, a window, an anode assembly and a cathode electron gun assembly, the anode assembly comprises an anode target; the cathode electron gun assembly comprises a cathode cylinder, and a cathode, a grid electrode, a first focusing electrode, a second focusing electrode, a third focusing electrode, an electrode core column, an electrode lead and a field emission material which are positioned in the cathode cylinder; the field emission material generates electrons under the action of field emission, the formed electron beams are converged for the first time under the action of the first electrostatic lens to form a first focus, are converged for the second time under the action of the second electrostatic lens to form a second focus, and finally bombard the anode target to generate X-rays. According to the X-ray tube, the convergence and compression capacity of electron beams is improved by forming the double electrostatic lenses, the size of a convergence focus is reduced under the condition that the emission area is not affected, and the resolution ratio of the X-ray tube is improved.

The semiconductor laser comprises an N-surface electrode, an N-type substrate, an N-type buffer layer, an N-type limiting layer, an N-type waveguide layer, an active layer, a P-type waveguide layer, a P-type limiting layer, an ohmic contact layer 109 and a P-surface electrode which are arranged in sequence, injection regions and non-injection regions are arranged in the P-type limiting layer, the non-injection regions are arranged at the two ends of the injection regions in the direction parallel to the plane where the P-type limiting layer is located, the non-injection regions are formed by the N-type barrier layer, and the injection regions are formed by the P-type limiting layer. Based on the above scheme, current lateral diffusion can be prevented or at least weakened, accumulation of current carriers can be inhibited, the injection efficiency of the current can be improved, and high-power, low-current threshold and conversion rate output can be realized; therefore, the near-field / far-field divergence angle of the semiconductor laser can be reduced to a certain extent, and the light beam quality and brightness of the semiconductor laser are improved.

The utility model relates to the technical field of focusing electrode arrays, and particularly discloses a field emission thruster focusing electrode structure with a plume, which comprises an insulating bracket, an extraction electrode, a focusing electrode and an acceleration electrode, the insulating bracket is provided with a first connecting sheet, a second connecting sheet, a third connecting sheet and an assembling hole; the extraction electrode is configured to be fixedly connected with the first connecting sheet and is located in the assembly hole; the focusing electrode is fixedly connected with the second connecting sheet and is positioned in the assembly hole; the accelerating pole is fixedly connected with the third connecting piece and is positioned in the assembling hole; the central axes of the extraction electrode, the focusing electrode and the acceleration electrode coincide; the focusing electrode is positioned between the extraction electrode and the acceleration electrode; according to the focusing electrode structure of the field emission thruster with the charged plume, the focusing effect can be enhanced, the adverse effect caused by the plume is reduced, and the comprehensive performance of the thruster is improved.

The invention belongs to the technical field of Micro-LEDs, and relates to a Micro-LED with a collimation metasurface structure and a preparation method of the Micro-LED. The Micro-LED comprises a Micro-LED light emitting structure and a collimation metasurface structure, wherein the collimation metasurface structure is arranged on the Micro-LED light emitting structure The collimation metasurface structure is arranged on one side of a light-emitting surface of the Micro-LED light-emitting structure and is used for carrying out collimation filtering on light emitted by the Micro-LED light-emitting structure, so that the angle of the emergent light of the Micro-LED is smaller than a set angle; wherein the collimation metasurface structure comprises a first dielectric layer and a second dielectric layer, the first dielectric layer is arranged on the Micro-LED light-emitting structure, the first dielectric layer comprises a plurality of first collimation cylinders, and a groove is formed between every two adjacent first collimation cylinders; the second dielectric layer is arranged at the bottom of the groove and the top of the first collimation cylinder; the refractive index of the first dielectric layer is smaller than that of the second dielectric layer. By adopting the scheme, the intensity and transmissivity of normal incident light can be improved, the intensity and transmissivity of oblique incident light can be reduced, the collimation effect of light can be realized, and the luminous efficiency can be improved.

The invention discloses a low-loss anti-aging orbital angular momentum RFID (Radio Frequency Identification Device) array antenna which sequentially comprises N array units, a first dielectric substrate, a metal grounding plate, a second dielectric substrate and a feed network from top to bottom, the N array units are in central symmetry and are distributed on the upper surface of the first layer of dielectric substrate at equal angular intervals along the circumference, the feeding amplitudes of the array units are the same, and the phase difference between two adjacent array units in the clockwise direction meets # imgabs0 #, l is an orbital angular momentum mode required by a radiation beam, and the number of the array units meets the condition that-N / 2 < l < N / 2; each array unit is of a circular structure, one or more strip-shaped gaps are additionally formed in each array unit, and the center position of each strip-shaped gap is located at the center position of the array unit; the metal grounding plate is provided with strip-shaped gaps corresponding to the center positions of the array units, the feed network feeds through the gaps in the metal grounding plate, the feed amplitudes of the array units are the same, and vortex electromagnetic waves are generated.

The present invention belongs to the technical field of dense spectrum beam combining, and in particular, relates to a semiconductor laser beam quality self-optimizing beam combining device and method. The device includes a semiconductor laser group, a fast axis collimator group, a slow axis collimator group, a reflector group, a volume Bragg grating group and an external cavity mirror. A resonant external cavity is formed between the rear cavity surface of each semiconductor laser and the external cavity mirror. After diffraction by the volume Bragg grating, part of the laser transmitted to the external cavity mirror is reflected again by the external cavity mirror to the volume Bragg grating. The spectral selection characteristics of the volume Bragg grating diffract the laser mode that meets the Bragg diffraction condition into the chip of the semiconductor laser, and the mode competition characteristics of the semiconductor laser enhance this part of the laser mode to the main lasing mode, suppress other stray modes, thereby reducing the slow axis divergence angle of the semiconductor laser and improving the beam quality of the combined laser. In addition, the volume Bragg grating automatically adjusts the wavelength of the semiconductor laser to the wavelength with the highest diffraction efficiency according to the angle of the optical path.

The invention relates to the technical field of laser, in particular to a planar waveguide laser using suspended particle fluid as a laser gain medium. The planar waveguide laser comprises a pumping source, and the pumping source comprises a semiconductor laser array. The beam shrinking imaging lens group is arranged on the light emitting side of the pumping source along the optical axis; the slow axis focusing lens is arranged on a light path between the beam shrinking imaging lens groups; the dichroic mirror is arranged on the light emitting side of the beam shrinking imaging lens group; the resonant cavity is arranged on the light emitting side of the dichroic mirror; and the gain module is arranged between the dichroic mirror and the resonant cavity. By compressing the light beam form and improving the order of magnitude of the pump light, the laser generation and output process becomes more efficient; meanwhile, the planar waveguide has good light beam quality, the heat dissipation problem of the solid laser is effectively relieved, and the solid laser is suitable for various application scenes.

This application provides a motor-driven rotating mirror assembly and a rotating lidar. The motor-driven rotating mirror assembly includes: a lens frame; a transmitting lens, a receiving lens, and a reflector, respectively fixedly mounted in a transmitting lens mounting hole, a receiving lens mounting hole, and a reflector mounting hole on the base of the lens frame; a transmitting circuit board and a receiving circuit board fixedly connected to the side of the base opposite to the side where the reflector mounting hole is located; a first through hole between the transmitting circuit board and the transmitting lens, and a second through hole between the receiving circuit board and the receiving lens; a rotating reflective structure, which is a straight or regular prism structure with reflective function on all sides; a rotating baffle that divides the rotating reflective structure into transmitting and receiving parts; a rotating mirror motor fixedly mounted in a motor mounting hole at one end of the rotating reflective structure and fixedly connected to the inner side of one side of the lens frame; and a rotating mirror motor drive circuit board fixedly mounted on the outer side of one side of the lens frame.

The utility model discloses an optical system which comprises a laser light source, a CMY color filter group, a monochromatic coating color chip disc, a color coating scattering glass sheet, a prism group and a convex lens group which are sequentially arranged along the light transmission direction, the center points of the CMY color filter group, the color coated scattering glass sheet, the prism group and the convex lens group are collinear; the single-color coating color sheet disc is arranged between the CMY color filter group and the color coating scattering glass sheet; and the single-color coated color chip disc is a rotatable single-color coated color chip disc. According to the utility model, an optical system with rich color change and dynamic color effect light beams can be obtained, and a colorful and dynamic change light beam set can be presented.

The invention discloses a pumping ring structure-based active optical fiber with high pumping conversion efficiency and an amplifier structure, and relates to the field of active optical fibers and optical fiber amplifiers, the pumping ring structure-based active optical fiber comprises a layered structure which is sequentially arranged from inside to outside, and the layered structure comprises a fiber core, a pumping ring structure, a quartz cladding and a coating layer, the optical fiber is located at the geometric center of the active fiber; the pumping ring structure is arranged around the fiber core and is used for guiding and converging pumping light to gather towards a fiber core area, the pumping ring structure is composed of one or more layers of concentric annular modulation areas, and the refractive indexes of all the layers of modulation areas are gradually increased layer by layer from outside to inside in the radial direction; according to the active optical fiber and amplifier structure, one or more layers of concentric pumping rings with refractive indexes gradually increased layer by layer from outside to inside are arranged in the cladding, and the concentration degree and energy density of pumping light towards a fiber core area can be remarkably improved to a certain extent by utilizing the guiding effect of refractive index gradients on a pumping light propagation path; therefore, higher pumping absorption efficiency and gain performance are realized.

The present invention discloses a wafer fusion integrated multi-junction long wavelength surface emitting laser and a manufacturing method, including: a surface emitting laser VCSEL structure and a modulator EOM structure; the surface emitting laser VCSEL structure includes a GaAs base substrate, a GaAs buffer layer, a first N-type doped DBR, a resonant cavity, a buried tunnel junction, a fill layer, and a P-type doped DBR from bottom to top; the modulator EOM structure includes a P-type doped DBR, a first waveguide layer, an absorption layer, a second waveguide layer, and a second N-type doped DBR from bottom to top; the surface emitting laser VCSEL structure and the modulator EOM structure share a P-type doped DBR. The present invention can significantly improve the heat dissipation problem, reduce the divergence angle of the emitted light, and improve the output beam quality.

The application provides a collimation system based on a MEMS mirror and a laser radar, the collimation system based on the MEMS mirror comprises: a laser emission unit for emitting a modulated laser beam; a front light beam shaping unit for shaping the laser emitted by the laser emission unit; a MEMS mirror scanning unit for scanning a field of view of a to-be-measured plane after resonant reflection of the light beam shaped by the front light beam shaping unit by using a MEMS mirror; and a rear collimation unit for performing secondary shaping on the light beam reflected by the MEMS mirror scanning unit, so that the edge light beam and the center light beam deflected by the MEMS mirror have equal optical paths at an entrance pupil of the rear collimation unit. The collimation system based on the MEMS mirror can improve the energy coupling efficiency of the system, reduce the beam divergence angle and the system volume, and make the ranging capabilities of the center field of view and the edge field of view uniform.

A vertical cavity surface emitting laser disclosed by the present invention comprises a substrate and an epitaxial structure arranged on a first surface of the substrate, the epitaxial structure comprises a first DBR layer, at least two groups of alternately formed active layers and oxide layers and a second DBR layer which are sequentially stacked from bottom to top, and a light emitting hole is arranged above the epitaxial structure. An area below the position of the light outlet hole comprises a resonance light-emitting area and a side mode suppression area located around the resonance light-emitting area, and the substrate located in the resonance light-emitting area and the surface of each epitaxial layer in the epitaxial structure are parallel to each other and are perpendicular to the light outlet direction. The structure in the side mode suppression region comprises an inclined structure which is obliquely arranged relative to the same epitaxial layer of the resonance light-emitting region, the inclined structure at least comprises at least two groups of active layers, oxide layers and second DBR layers which are alternately formed, and the oxidation tail ends of all the oxide layers are located in the side mode suppression region. And the influence caused by misalignment of the oxide layer is avoided.

The present invention relates to the technical field of optical fiber sensors, specifically to a terminal assembly fixture of a coaxial optical fiber sensor and an assembly method thereof, including an assembly fixture, a fixture groove is provided on the assembly fixture, a terminal assembly mechanism is slidably provided on the fixture groove, and the terminal assembly mechanism includes a terminal extrusion block and a rubber ring connected by a connecting rod; the terminal extrusion block is abutted against one end of the optical fiber terminal, the rubber ring is sleeved on the optical fiber, and the inner side of the rubber ring is fixedly provided with a plurality of evenly distributed optical fiber teeth. The present invention places the optical fiber terminal on the terminal assembly mechanism and sprays glue on the protective layer of the optical fiber while extruding it, which is quick, convenient and has high stability. At the same time, when the optical fiber terminal is installed on the sensor body, the optical fiber terminal can be directly fixed by the terminal fixing mechanism, which has a simple structure and is convenient and quick to install, thereby improving the efficiency of installation and the accuracy of detection.

A vertical cavity surface emitting laser that has both reduced divergence angle and heat dissipation belongs to the field of semiconductor optoelectronics. The laser includes: an n-type electrode, a GaAs substrate, an n-type Bragg reflector, an n-spacer layer, a quantum well structure, a p-spacer layer, a p-type Bragg reflector, an oxidation restriction layer located at the bottom of the p-type Bragg reflector, an isolation layer, a p-type electrode, and a heat dissipation mechanism. The present invention provides a heat dissipation mechanism, and the heat dissipation mechanism is prepared in the light-emitting area, or prepared outside the light-emitting area, or prepared in the light-emitting area and outside the light-emitting area at the same time. Through reasonable design, different temperature difference distributions inside the device can be obtained, and the temperature difference causes the refractive index difference of the material to change, so as to obtain different waveguide effects, and a device with a smaller divergence angle can be obtained, and the thermal performance of the device is significantly improved. The present invention solves the problem that the etching of the upper DBR layer affects the reliability of the device during the preparation of the VCSEL, and also solves the heat dissipation problem of high-power VCSEL.

The utility model provides a vertical cavity surface emitting laser and laser equipment, and relates to the technical field of lasers. The vertical cavity surface emitting laser comprises an N-type electrode, a P-type electrode, an optical structure and a cap layer, the N-type electrode is connected with the bottom surface of the optical structure, the cap layer is connected with the top surface of the optical structure, the P-type electrode is connected with the outer side of the top of the cap layer, and a convex curved surface structure is arranged in the middle area of the top of the cap layer. The convex curved surface structure is used for reducing the divergence angle of the vertical cavity surface emitting laser. The vertical cavity surface emitting laser and the laser equipment provided by the utility model have the advantage of reducing the divergence angle on the basis of low cost.

The present application relates to the field of photoelectric detection and intelligent identification, in particular to a cat-eye target detection active imaging system and method based on intelligent vision, comprising: an active illumination module for outputting a pulse laser with adjustable parameters, actively illuminating a target scene, and exciting a cat-eye effect backscatter echo of an optical device in the target scene; a coaxial imaging acquisition module for receiving the backscatter echo of the target scene and collecting information; an intelligent vision processing module for intelligently processing the received image data, outputting target information and scene perception data; an adaptive control module for constructing a closed-loop control link according to the scene perception data and the target information; a display and storage module for realizing human-computer interaction, displaying and storing real-time imaging pictures and target information. Thus, the problems of high false alarm rate, limited detection distance, poor environmental adaptability, and inability to realize target fine classification and continuous tracking in the prior art are solved.

The invention discloses equipment for improving or removing a traditional painting and calligraphy ink seal, which comprises a laser equipment main body, one side of the laser equipment main body is provided with a corrugated pipe, one end of the corrugated pipe is provided with a laser head, one end of the laser head is provided with an emission head, the laser equipment main body comprises a box body, the top of the box body is fixedly connected with a handle, and the top of the box body is fixedly connected with the handle. A control panel is fixedly installed on one side of the box body, and a controller electrically connected with the control panel is fixedly installed on the inner wall of the box body. The device has the advantage of high efficiency, and solves the problems that in the using process of existing equipment for improving or removing painting and calligraphy ink seals, continuous and efficient operation is not convenient, frequent interruption and resetting possibly cause inconsistent treatment effects each time, the final repairing quality is affected, and the repairing efficiency is affected. And operators need to spend more time and energy to adjust the equipment and process each work, so that the labor cost is increased.

The present invention provides a vanadium dioxide dual-function terahertz metasurface and a coding metasurface for 6G communication. The vanadium dioxide dual-function terahertz metasurface includes at least one metasurface unit structure, wherein each metasurface unit structure includes a silicon layer, an intermediate dielectric layer and a phase change layer which are sequentially arranged from top to bottom, the silicon layer is a square silicon column with the same side length, and the four corner positions of the square silicon column are corner blocks with the same side length, the maximum length of the corner blocks located on the same side of the square silicon column constitutes the structural side length of the square silicon column, the phase change layer is a block with the same side length made of vanadium dioxide, when at room temperature, the vanadium dioxide of the phase change layer is in a dielectric state, and the metasurface unit structure transmits a terahertz beam; when at high temperature, the vanadium dioxide of the phase change layer is in a metallic state, and the metasurface unit structure reflects the terahertz beam, and a terahertz coding metasurface is designed based on the vanadium dioxide dual-function terahertz metasurface, which can be applied to the field of 6G communication.

The invention discloses an omnidirectional chip atom magnetometer based on a topological posture surface emitting laser. The device is characterized by comprising a topological posture PCSEL, a focusing lens, a beam shaping unit, a combined quarter-wave plate, an atomic gas chamber, a photoelectric detector, a filter module, a laser frequency stabilization unit, a laser modulation unit and a direct current and precession alternating current coupler. According to the invention, a conventional light source is replaced by a topological posture PCSEL, and meanwhile, a light beam forms circularly polarized light and linearly polarized light which are spatially independent by using a combined quarter-wave plate; the quantum axes of the circularly polarized light and the linearly polarized light which are transmitted in the same direction are vertical to each other; the magnetic resonance omni-directional optical pump atomic magnetometer is realized by modulating light field parameters instead of a traditional alternating magnetic field, and the magnetic resonance omni-directional optical pump atomic magnetometer has great practical significance in realizing high-sensitivity measurement of a magnetic field on an external field motion platform. According to the invention, the optical and magnetic dual-resonance effect is realized, so that the omnidirectional high-sensitivity measurement of the magnetic field can be realized.

The invention discloses assembly type flow cell detection equipment which comprises a flow cell and a detection tool matched with the flow cell in an aligned mode, the flow cell comprises a flow cell body, a flow hole is formed in the middle of the flow cell body, and the flow cell body is connected to a positioning datum plate in a pressed mode through a flow cell shell. Avoiding holes are formed in the positioning datum plate and the flow cell shell, and a guide elastic sheet is arranged on the positioning datum plate; the detection tool comprises a positioning seat, the positioning seat is fixedly provided with a positioning mechanism used for being in socket fit with the positioning datum plate, the positioning seat is movably provided with a sliding block, the sliding block is provided with a guide hole used for being in socket fit with the guide elastic piece, and the sliding block is provided with a detection sensor. The detection tool of the scheme can be compatible with the flow cells within a certain optical path length range, and the flow cells with different optical path lengths are convenient to replace, so that the compatibility and the practicability of the scheme on the detection of the flow cells are improved, and the detection cost is reduced.

A three-band common aperture multifunctional optical system. The invention belongs to the field of optical imaging technology, and specifically relates to the technical field of multi-band common aperture optical systems. The invention solves the problem that the previous multi-band common aperture optical systems cannot realize integration, multifunctionality and miniaturization at the same time. The three-band common aperture multifunctional optical system comprises: a primary mirror L1, a secondary mirror L2, a multi-band compensation mirror group L3, a first reflector L4, a first beam splitter L5, a second reflector L6, a medium-wave infrared mirror group L7, a third reflector L8, a laser and short-wave infrared common mirror group L9, a second beam splitter L10, a laser emission mirror group L11, a fiber optic light source S1 and a short-wave infrared mirror group L12. The system comprises an imaging optical path and a laser emission optical path.

The utility model relates to a DMD (Digital Micromirror Device) spectrum modulation collimation light source. A concave reflection grating 2 is arranged at the rear part of a wide spectrum light source 1, a DMD array reflector 3 is arranged at the top of the concave reflection grating 2, a focusing lens 4 is arranged at the rear part of the DMD array reflector 3, a light homogenizing rod 5 is arranged at the rear part of the focusing lens 4, and a collimation lens 6 is arranged at the rear part of the light homogenizing rod 5. According to the utility model, the concave grating is used for light splitting, the DMD array reflector is used for modulation, and any modulation spectrum light source can be realized. According to the utility model, dodging is carried out through the dodging rod, and the output uniformity of a light source is higher and is superior to 95%. According to the collimating lens, a light source with high collimation is obtained through projection, and the divergence angle of the light source is smaller than + / -1 degree. The system is simple in structure and high in lighting effect.

This invention discloses a vortex nozzle based on the boundary layer effect. It includes an inlet structure, a vortex assembly, and an outlet structure. The vortex assembly consists of at least two coaxial vortexes stacked together, each with a central hole that forms an axial jet channel. The wavy surfaces of adjacent vortexes form a curved channel that converges towards the central hole, with the curved surfaces forming troughs at the edge of the central hole. The axial spacing h is less than the diameter D of the central hole. Water enters the curved channel tangentially from the outer edge, smoothly changes direction due to the boundary layer effect, and forms a vortex at the central hole, resulting in an axial jet that achieves a near 90° turn. When used for rotary drive, at least two circumferentially distributed nozzles spray in opposite directions along the tangent, forming a force couple. This invention features low energy loss, concentrated jet, and strong reaction force.

The utility model relates to a light source device and image shooting equipment. The light source device comprises a light source, a dodging part and an optical lens. The light source is used for emitting a first light beam, the dodging piece is arranged on a light path of the first light beam and provided with a first end face and a second end face, the end face of the first end face is opposite to a light-emitting face of the light source, and the first light beam enters the dodging piece through the first end face and is emitted through the second end face to form a second light beam. The optical lens is arranged on a light path of the second light beam and is used for reflecting the second light beam to a measured object. According to the light source device, the light intensity of the light irradiated to the measured object is higher, and the light spot brightness distribution is more uniform.

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.

The utility model discloses a sunlight simulation device, and relates to the technical field of optics. The sunlight simulation device comprises a light source; the light collection module is used for collecting and converging the light beams emitted by the light source and emitting the converged light beams; the angle compression module is arranged in the light beam output direction of the light collection module and used for compressing the divergence angle of the light beam into a target angle range and emitting the compressed light beam; and the fly's-eye lens is arranged in the light beam output direction of the angle compression module and used for dodging the light beams and emitting the dodged light beams, and the target angle range is matched with the set incident angle range of the fly's-eye lens. The angle compression module is arranged to compress the divergence angle of the light beam, so that the divergence angle of the light beam is within the set incident angle range of the fly's-eye lens, and the light beam emitted after dodging treatment of the fly's-eye lens has the characteristics of small divergence angle and uniform irradiance. Therefore, the sunlight simulation device can meet related test requirements under the condition of low preparation cost.