45 results about "Novette laser" patented technology

A laser system capable of efficient production of high energy sub-nanosecond pulses in the 2-15 μm spectral region is disclosed. Diode pumped solid state lasers are used as pump sources. The system design is simple, reliable and compact allowing for easy integration. The laser system includes a combination of compact solid-state ˜1 micron laser sources, producing high power picosecond pulses, with optical parametric amplification and a quasi-continuous wave laser for seeding the amplification process that enables the efficient conversion of the high power ˜1 micron laser radiation to tuneable mid-infrared sub-ns pulses. New parametric processes are presented for achieving high gains in bulk nonlinear crystals. Furthermore, a method of exceeding the fundamental conversion efficiency limit of direct three wave mixing is presented. The compact and robust nature of this novel laser system opens up the use of high power and high peak power mid-infrared laser pulses to a wide variety of important medical and dental applications.

A laser transmitter with a feedback control loop for minimizing noise. The novel laser transmitter includes a laser, an external reflector adapted to form an extended cavity to the laser, and a feedback control loop adapted to detect noise in the laser and in accordance therewith, adjust the optical phase of the extended cavity such that the noise is at a desired level. The optical phase of the extended cavity is adjusted by adjusting an operating parameter of the laser, such as its bias current. In an illustrative embodiment, the feedback control loop is adapted to compute the rate of change of the noise with respect to bias current and in accordance therewith, adjust the bias current of the laser such that relative intensity noise and interferometric intermodulation distortion are simultaneously minimized.

A laser positioning system is described. The laser positioning system provides a positioning and guidance system that is suitable for environments that have external disturbances such as those caused by wind, equipment movement, vibration, and the like. The laser positioning system of the present invention uses at novel laser line beacon positioning system in optical communication with a novel laser line receiver to achieve accurate positioning in environments with external disturbances, something that has previously not been attainable. In some embodiments, a target or series of targets are used to create a reference by which the laser line receiver and an associated moveable assembly such as a robotic arm assembly are able to accurately place building elements such as bricks. Exemplary applications of the laser positioning system include, but are not limited to, accurate positioning of bricks in a wall under construction by a robotic brick laying system.

A white light random laser outputs a three primary colors by the aid of a laser pump mixed with dyes, and acquires white lights with narrow line width and high strength by means of using titanium dioxide (TiO2) nanoparticles as random scatterer for providing positive feedback, wherein the three primary colors comprise red, green and blue. The dyes used for generating the three primary colors of red, green and blue include coumarin 440 (C-440), coumarin 6 (C-6), pumping source of 355nm light and Oxazine with pumping source of 532nm. The basic principle of the white light random laser includes that by the aid of the nanosecond pulsed laser pumping with a 355nm wavelength, red light (R) is generated by means of coumarin C-440 blue light (B), coumarin C-440 green light (G) and a litter portion of light close to the 532nm green light as pumping oxazine, and most of the light close to the 532nm green light is used as the green light (G) of the white light. The white light random laser adopts the random laser principle, and outputs lasers by using titanium dioxide nanoparticles as random scatterer for providing positive feedback.

The invention discloses a new laser diode optical path shaping mechanism with an adjustment function. The optical path design comprises a laser diode and a lens set. The lens set is composed of a collimating lens, a first plano-convex cylindrical lens, a second plano-convex cylindrical lens and a double convex cylindrical lens. At the same time, the invention adopts a guide rail, an adjustment slider, a lens holder and a light source fixing seat. In actual use, the light source is fixed on the light source fixing seat, and the lens is fixedly mounted on the lens fixing seat. The light source fixing seat is fixed on one end of the guide rail. The lens fixing seat is fixed on the adjusting slider. The adjusting slider is slidingly matched with the sliding groove of the guide rail, and the side of the guiding rail is provided with a scale. The entire set of experimental equipment can fully demonstrate the effect of laser shaping, and can accurately adjust the relative position between thelens sets to explore the optical path shaping design.

The invention discloses a novel laser ranging method and a laser radar system. According to the novel laser ranging method, a laser pulse sequence is generated through electro-optical conversion to irradiate a target, and a laser pulse sequence reflected by the target is converted into an electric signal sequence by utilizing photoelectric conversion, wherein the responsivity of photoelectric conversion and time are changed in a cosine function relationship, and the change frequency of the responsivity of photoelectric conversion and time are changed in a linear relationship, so that the energy of each electric signal in the electric signal sequence is changed, the energy distribution of the electric signal sequence changes according to a certain rule, and the energy distribution change frequency of the electric signal sequence is calculated to obtain a target distance. The laser radar system is realized by adopting the novel laser ranging method. By applying the laser ranging method and the laser radar system, the problems that the laser radar system is low in resolution ratio, small in imaging distance range, poor in anti-interference capability and high in average power consumption and the performance is largely affected by the consistency and stability of optical response of an imaging detector can be solved.

The invention relates to the technical field of all-solid state laser, and particularly relates to a novel laser amplifier. The novel laser amplifier disclosed by the invention comprises an optical prism 2, a laser material 1 and an optical prism 3, which are arranged along a light path, wherein the laser material 1 is tubular rod crystal; chamfering angles are inwards or outwards processed at two ends of the tubular rod crystal; the section of the tubular rod crystal is trapezoid; each surface of the laser material 1 is accurately polished; the optical prism 2 and the optical prism 3 are the same. Compared with a traditional rod working material, the internal thermal index gradient is effectively reduced, so that the thermal index gradient is greatly reduced; a light beam is subjected to optical length differences decrease when penetrates through different positions, so that wavefront distortion generated by the light beam can be effectively weakened; the novel laser amplifier is simple to fabricate, and low in cost; the accuracy requirements on the processing technology are easily met.

The invention provides a design scheme of a laser homogenization system based on a holographic optical element (HOE). A microlens array is selected to be served as a main optical component of the scheme. A manufacturing method of the HOE is compared with a manufacturing method of a traditional optical element and a tradition lens array and a superiority is acquired. A design and development of a laser homogenization HOE system based on a novel holographic material and an application of space imaging in an aviation field are provided. Based on a K vector closing analysis design method of the HOE, an optical path design of the system is performed. A novel laser holographic material is used to make a laser illumination homogenization optics system assembly. An innovation point of the system comprises that the HOE based on interference and diffraction principles is used to replace the traditional optical element based on refraction and reflection principles so as to carry out the design and manufacturing of the laser homogenization system. The system possesses the following advantages that the system is light and thin; the system is cheap; it is easy to be copied; performance is stable and so on.

The invention discloses a dynamic controllable laser beam splitting device. The dynamic controllable laser beam splitting device comprises a half wavelength plate, a polarized beam splitter, a Faradayrotator, a pure phase type liquid crystal spatial light modulator and a focusing mirror; an incident beam sequentially passes through the half wavelength plate, the polarized beam splitter, the Faraday rotator, the pure phase type liquid crystal spatial light modulator, the Faraday rotator, the polarized beam splitter and the focusing mirror, and finally, the beam after beam splitting is focusedto the surface of a to-be-processed workpiece. According to the novel laser beam splitting device, damage thresholds of all optical devices are high enough, the high-energy pulse laser processing requirement is met, and by means of introduction of the spatial light modulator, high-energy laser is reprocessed after being encoded, flexibility and controllability of the beam are realized, and the beam splitting device is simplified, so that the laser processing efficiency is greatly improved.

The invention relates to a novel laser projector color wheel and color temperature matching method. The method comprises the following steps of determining the corresponding angle and the corresponding output luminance of the fluorescent wheel of a laser light source; selecting green wave bands and red wave bands; selecting the angles of red pieces from yellow pieces, and ensuring R / W>=14%; according to CIE1931 (Commission Internationale Ed I'eclairage) chromaticity coordinates and the tristimulus-value X.Y.Z conversion formula, computing white coordinates; according to the CIE1931 chromaticity coordinates and the color temperature conversion formula, computing color temperature and enabling the color temperature to meet 6000-7000 K. The novel laser projector color wheel and color temperature matching method achieves high color wheel efficiency and good color display effects.

Modern broilers are selected for fast growth and a large proportion of breast tissue, contributing to a top-heavy phenotype, leg disorders, and inactivity as birds reach market weight. Therefore, the objective was to motivate broilers to move through environmental enrichment. Twelve hundred Ross 308 broilers were housed in pens of 30 for 6 wk; 600 birds were exposed to a novel laser enrichment device (LASER) and 600 were control. Each device projected 2 randomly moving red laser dots onto the floor 4 times / day for 4-min “laser periods”. Seven LASER and 7 control pens, with 5 focal birds / pen (n=70), were randomly selected to be video-recorded d0-8 and once weekly for the remainder of the trial. Videos were analyzed to measure broiler time-budget and behaviors such latency to feed and distance walked during laser periods. Focal birds were gait scored weekly on-farm. A test of the Human-Approach Paradigm was carried out on wk 1 and 6 on all pens. LASER birds were more active on d0, 1, 3, 4, 5, 7, and 8, moving 254% more on d7 (P≤0.05). Time spent active was increased in LASER treatment by 114% on wk 2; 157% on wk 3; 90% on wk 4; and 82% on wk 5. LASER birds spent more time at the feeder on d0, 1, 2, 5, 8, and on wk 1 and 5, with 84% more time at feeder than control on d5 (P≤0.05). LASER birds walked further during laser periods on d0-8, reaching 646.5 cm greater (d1), and on wk 2, 3, 4, and 5, with an increase of 367.5 cm on wk 2 (P≤0.05). Over wk 1-6, 60.54±7.4% of focal birds in the laser treatment were at the feeder during or within 5 mins following laser periods. The laser enrichment device was successful in stimulating broiler physical activity and feeding and did not negatively impact walking ability.Key words: broiler, environmental enrichment, well-being, lameness, behavior

The invention discloses multi-target simultaneous indication laser multi-target indication equipment. The equipment comprises a laser module, a laser frequency field modulation module, a projection module, a laser beam deflection control module, a zoom system module, an objective lens assembly module, a light splitting module, an eyepiece module, a target image detection processing and man-machineinteraction module and a synchronizer and a control module. The equipment starts from the requirement of further improving the first time striking damage effect of a laser guidance weapon system andconstructs the laser multi-target indication equipment that can be used for multiple targets at the same time; the equipment adopts a novel laser light field frequency modulation technology and a laser beam deflection control technology, can effectively solve the problems that only one target can be indicated in a single indication period of current laser target indication equipment, frequency code of indication laser information field is fixed and invariable, number is limited, and frequency code of the indication laser information field is easy to be stolen or cracked, and the first time accurate striking capability of an existing laser guidance weapon system is greatly improved.

The invention belongs to the field of laser-induced detection, and relates to a laser lead-in optical system of a novel laser-induced detecting device, in particular to a laser lead-in optical system by which laser is gathered on the surface of a substance to be detected, ingredients of the substance to be detected are obtained through plasma spectroscopy triggered by the laser, or defects in the material are obtained by analysis through ultrasound stimulated in the substance and on the surface of the substance through the laser. The laser lead-in optical system comprises an outer sleeve, a beam splitter prism, a beam splitter baffle plate, a light beam selecting baffle plate and a light gathering sleeve, the light gathering sleeve can be replaced by a reflector group, or an electric controller or a focusing lens can be added. Induced adjustment and control are realized by a method of splitting laser beams, controlling the energy of a single laser beam to be lower than an induced stimulant threshold value, and controlling the energy of the laser beams to be higher than the stimulant threshold value when the laser beams are combined, and the problem that the laser is focused on the substance to be detected or gas breakdown is caused can be solved.

The invention relates to the technical field of laser galvanometers, and especially relates to a novel laser galvanometer lens, a laser galvanometer and a film plating method. The novel laser galvanometer lens comprises a basal film layer, an intermediate film layer and a high reflection film layer which are sequentially arranged from the bottom up, wherein the intermediate film layer comprises a first connecting film layer, an Al film and a second connecting film layer which are sequentially arranged from bottom to top. The novel laser galvanometer lens can meet the requirement of indicating light of any wavelength band of 400-700 nm so as to be more universal. The novel laser galvanometer lens can realize the laser wavelength at least satisfying the relationship of two multiples of the frequency, and can simultaneously satisfy more than 99.8% of the high reflection requirements of two wavelength bands of 532 nm and 1064 nm; the novel laser galvanometer lens has excellent thermal conductivity, a substantial increase in the unit area of the laser reflection power and a significantly decrease in the weight of the laser galvanometer lens, thereby enhancing the galvanometer response speed.

The invention discloses a novel laser scanning optical system with an adjustable scanning breadth. The novel laser scanning optical system comprises a first lens, a second lens, a third lens, a galvanometer lens X and a galvanometer lens Y which are sequentially arranged in the light incident direction, wherein the first lens is a meniscus lens with a negative focal length, and the focal length change range is -30mm to -50mm; the second lens and the third lens are plano-convex positive lenses, and the focal length change ranges are both 200mm-500mm. According to the novel laser scanning optical system with the adjustable scanning breadth, by means of the optical lever principle, the size of the scanning breadth is adjustable, the system is suitable for working platforms of different sizes,higher compatibility and adaptability are achieved, marking of metal, PCBs, cloth and other materials can be achieved, and the problem that the scanning range of an existing F-theta field lens cannotbe changed is solved; the scanning effects of different breadths are good, and focusing light spots are very round; and the structure is simple, and the laser scanning cost is greatly reduced.

The invention discloses a material with both optical camouflage and laser protection functions and a preparation method and application thereof. The material comprises the following components in parts by mass: 0.5-5 parts of a laser absorption material, 40-50 parts of an organic solvent, 40-60 parts of transparent resin, 5-30 parts of a toning pigment and 0.3-0.5 part of an auxiliary agent. The material provided by the invention has the compatible optical camouflage and laser stealth protection functions, is wide in the wavelength range of laser protection, and can meet the protection requirements of detection of lasers with various wavelengths. The preparation method of the material is simple in process, can achieve mass production, and can be indirectly used for processing of camouflage fibers and the like; and the prepared material can be widely applied to laser reconnaissance prevention, laser eavesdropping prevention, military camouflage and the like.

The invention provides a laser remanufacturing processing method for an automobile stamping die. The laser remanufacturing processing method comprises the following steps: step I, pretreating the integral material of the die; step II, detecting practical hardness of die base metal; step III, performing powder selecting on the die according to working condition requirements; step IV, opening a switch on a nitrogen gas cylinder to detect powder; step V, starting a powder feeding button of a powder feeding machine to perform powder feeding and focusing; and step VI, regulating gas pressure of protective gas. In case of not changing the basic hardness (HRC30-40) of the die, a novel laser cladding repair technology is adopted to treat, so that the die surface hardness can reach HRC55-60, wear resistance is strengthened, corrosion resistance is strengthened, the service life of the die is prolonged, a processing period of repair ways such as a conventional repair-welding way is shortened, and manpower, financial and material resources are saved.

The method is suitable for the field of laser marking. The invention provides a novel automatic laser marking machine with an automatic detection function. The laser marking machine comprises a bearing table, an inclined table, a discharging device, a feeding device, a material blocking air cylinder, a detecting device, a conveying belt, a grooved wheel, a laser marking machine body, a defective product screening device, a cylindrical protruding rod, a servo motor, a rocker, a circular ring, an annular groove, a driving plate, a cylindrical pin, a radial groove, a cylindrical through hole, a segmented gear and a gear ring. According to the automatic marking detection device, marking and defect detection are integrated, automatic detection after product marking is achieved through the detection system, unqualified marked products are classified out, full-automatic operation of product marking is achieved, the structure is simple, the design is reasonable, the manual operation intensityis reduced, and the product marking efficiency is improved.

A novel laser radar disclosed by the present invention comprises a laser transmitter, a laser receiver, an annular liquid crystal array, and a CPU, a memory RAM and a memory card built in the radar, a conical total reflection prism is arranged below the laser transmitter, and the conical total reflection prism is located at the center of the annular liquid crystal array; and arc-shaped liquid crystal array units are arranged between the annular liquid crystal arrays. According to the novel laser radar, a common mechanical motor laser radar measurement system is improved, the electro-optical effect of liquid crystal molecules is used as a high-speed switch to control the direction of laser instead of a mechanical motor of the common laser radar, the data acquisition and measurement precision and speed can be improved, and the novel laser radar is suitable for large-scale three-dimensional topographic survey. The novel laser radar is also suitable for three-dimensional measurement of strip-shaped terrains in road engineering and data acquisition of modeling, and can also be used for pilotless automobiles.

The invention discloses a preparation method of a near-infrared laser ignition energetic material, which comprises the following steps: dissolving an energetic metal organic coordination framework material into water at a certain temperature, and then adding CHNO high-energy explosive crystals; and performing standing at room temperature for 1-2 days to obtain a novel energetic material in which a layer of energetic metal organic framework material grows on the surface of CHNO high-energy explosive crystals, namely the target energetic material. The novel energetic material provided by the invention can promote the rapid development of the laser ignition technology, and also provides a new idea for the development of the novel laser ignition energetic material.

The invention relates to a novel laser ignition type illuminating cup which comprises a cup body and a cup bottom. The lower end of the cup body is provided with an external threaded end, and the upper end of the cup bottom is provided with an internal threaded end which is in screwed connection with the external threaded end. The bottom of the cup body is provided with a first partition plate. The upper end of the cup bottom is provided with a second partition plate. An illuminating cavity of the cup body is isolated from an oil supply cavity of the bottom cup through the first partition plate and the second partition plate. A hard lamp filament is installed on the first partition plate and the second partition plate in a passing-through hole. The side face of the cup bottom is provided with an oil injection opening communicated with the oil supply cavity. The inner wall of the cup body is provided with laser emitting heads which are symmetrical about the center of the cup body. The laser emitting direction of the laser emitting heads points to the upper end of the lamp filament. The laser emitting heads are connected with a battery on the side face of the cup body, and the battery is arranged in a button box.

The invention belongs to the field of neurobiology, and specifically relates to a stroke model laser transmitter and a simulation method of the laser transmitter. The stroke model laser transmitter is a novel, efficient, stable and low-cost stroke model laser, the stroke model laser transmitter is based on a 520 nm laser light source, in addition, a direct-current power source is added, and a fixing support manufactured on the basis of the 3D printing technology is used for assisting. A common photochemical embolism method is adopted, the operation process is simple, and the molding rate is high. The novel laser has the advantages of being free of maintenance and long in service life.

The invention discloses a novel laser detector based on intermediate infrared ultrafast laser, and belongs to the technical field of laser technology and measurement. The novel laser detector mainly comprises a light source system, a light beam turning system, a light beam shaping system, a detection system, a signal processing system and a closable structure. Based on the features of high peak power, high signal-to-noise ratio and high repetition frequency of ultrafast laser in a middle-infrared band, the distance of the measured object and the gas type and concentration of the environment where the measured object is located are detected. The device has the advantages of being simple, high in measurement precision and capable of working under the condition of low visibility, and can be applied to the fields of high-precision detection, military affairs, engineering measurement and the like.

The invention discloses a novel laser electronic target, and belongs to the field of simulation shooting. The novel laser electronic target comprises a bottom plate, the front surface of the bottom plate is a diffuse reflection reflective surface, multiple light blocking material strips protruding forwards are arranged on the front surface of the bottom plate, multiple shooting areas which do not communicate with one another are defined by the light blocking material strips, optical fibers are arranged in each shooting area, the optical fibers in each shooting area are provided with light pickup surfaces and light emitting surfaces, different numbers of light pickup surfaces are arranged according to the sizes of the shooting areas, it is ensured that light rays reflected by laser beams irradiating the diffuse reflection reflective surfaces can be picked up by the light pickup surfaces, the light emitting surfaces of the optical fibers in each shooting area are connected with a photoelectric sensor, and the photoelectric sensors are electrically connected to a processor. A light guide plate is not needed, the photoelectric sensors are reduced, the weight and cost of the laser electronic target can be greatly reduced, and the laser electronic target is convenient to use, maintain and popularize and apply in a large range.

The invention discloses a preparation method of an energetic material ignited by a near-infrared laser, which comprises the following steps: dissolving an energetic metal-organic coordination framework material into water at a certain temperature, and then adding CHNO high-energy explosive crystals; standing at room temperature In 1 to 2 days, a new type of energetic material with a layer of energetic metal-organic framework material grown on the surface of the CHNO high-energy explosive crystal is obtained, that is, the target energetic material. The novel energetic material provided by the invention can promote the rapid development of laser ignition technology, and also provide new ideas for the development of novel laser ignition energetic materials.

The invention relates to the technical field of accessory devices of cutting equipment, in particular to a novel laser cutting machine. According to the novel laser cutting machine, the overall weightof the device can be effectively reduced, the occupied space is reduced, the dust removal effect is good, and the cutting accuracy is high. The novel laser cutting machine comprises a base, wherein acover shell is arranged on the base, a switching door is arranged at the front end of the cover shell, an operating cabinet is arranged at the front end of the cover shell, a gas circuit cabinet is arranged in the left half area of the rear side wall in the cover shell, a display screen is arranged on the operating cabinet, a cutting worktable is arranged at the top end of the base, an auxiliaryworktable is arranged on the rear side of the base, a lower cutting worktable is arranged on the auxiliary worktable, a cross beam is welded to a first base, a Z-axis is arranged on the cross beam, and a laser cutting mechanism is arranged on the Z-axis; and the laser cutting mechanism further comprises a second base and a guide rail, a bumping block and a sliding block are correspondingly arranged in the front half area and the rear half area of the bottom end of the second base, and a servo module assembly is arranged on the Z-axis.