115 results about "Optical instrumentation" patented technology

The invention discloses a quick-change universal optical adjusting frame device and an optical instrument, and the device comprises a mirror bracket which comprises a mirror bracket body, a sub-mirror bracket, a fixing ring, a first fixing part and a second fixing part. The mirror bracket body is provided with a first stepped hole, and the sub-mirror bracket is provided with a second stepped hole; the second lens is located between the fixing ring and the second step surface of the second step hole, and the fixing ring is detachably arranged in the second step hole and enables the second lens to be tightly pressed on the second step surface during installation; a first fixing hole is formed in the spectacle frame body and is communicated with the first mounting hole; the first fixing piece is arranged in the first fixing hole, and the inner end extends into the first mounting hole for a set length; one end of the second fixing piece is detachably arranged on the mirror bracket body, and the other end of the second fixing piece is pressed on the outer side face of the sub-mirror bracket so that the inner side face of the sub-mirror bracket can be tightly pressed on the first step face of the first step hole. And through the detachable assembly design of the spectacle frame body and the sub-spectacle frame, the function of quickly changing the lenses with different sizes is realized.

The invention relates to the field of precise micro-driving technology and precise optical instruments, in particular to a return-difference-free three-jaw double-foot reverse-clamping peristaltic motor which comprises a guide rail, a first driving foot, a second driving foot and a self-adaptive mounting cavity. Meanwhile, the first driving foot and the second driving foot are each provided with an amplification compensation hinge, a seesaw type amplification hinge and a claw direction adjusting hinge, multi-stage amplification is conducted on micro displacement generated by claw direction piezoelectric ceramic stacking, then the micro displacement is converted into vertical displacement of a rail pressing claw and tangential displacement of a rail holding claw, and it is ensured that enough displacement compresses and loosens a guide rail. An integrated symmetric design is adopted, complex cooperation of multiple parts of a traditional micro-motion device is abandoned, introduction of gap errors is avoided, magnetic field interference is avoided, grease lubrication is not needed, and the micro-motion device can stably work in extreme environments such as a high-intensity magnetic field, a wide temperature range and vacuum weightlessness; and meanwhile, the high-precision movement requirements in the fields of intelligent manufacturing, ultra-precision machining, measurement and the like are met.

The embodiment relates to a lens driving device comprising: a base; a first holder disposed in the base; a second holder disposed in the first holder; a bobbin disposed in the second holder; a first driving unit for moving the first holder in a z-axis direction along an optical axis; a second driving unit for moving the second holder in a y-axis direction perpendicular to the z-axis direction; and a third driving unit for moving the bobbin in an x-axis direction perpendicular to both the z-axis direction and the y-axis direction. Each of the first to third driving units includes a coil and a magnet.

The invention relates to the technical field of optical instruments, and provides a dimple telescope system based on a double-phase regulation and control super lens and a design method thereof, and the dimple telescope system comprises an objective lens, an eyepiece, a first super lens and a second super lens. The first super lens is arranged at the imaging plane position of the objective lens, is a local phase modulation type super lens and is used for implementing local phase modulation on an imaging area; and the second super lens is arranged at the pupil entrance plane position of the eyepiece, is a continuous phase type super lens, and is used for performing phase compensation and wavefront matching on the wavefront passing through the eyepiece. According to the invention, the double-phase collaborative design of the image plane local phase modulation superlens and the entrance pupil plane continuous phase compensation superlens is introduced into the Galileo telescope system, so that the unification of local high-resolution fovea imaging in the view field and the stability of the full-view-field image quality is realized on the premise of not changing the original optical path structure; and the aberration interference problem caused by local modulation of a single super lens is avoided.

This product is an orthogonal robot that enables automated processing of coating processes such as bonding, coating, sealing, and potting in the manufacturing processes of semiconductor products such as printed circuit boards, electronic equipment, precision instruments, and optical instruments. As shown in the reference diagram illustrating the state in which the dispensing unit is set, when used in a coating process, the liquid dispensing conditions are precisely controlled by a liquid precision dispensing control unit. The movement of the head unit, which is mounted on the base so as to be movable in the X direction, the dispensing unit, which is set in a dispensing unit mounting holder mounted on the head unit so as to be movable in the Z direction, and the work base, which is mounted on the upper surface of the base so as to be movable in the Y direction are controlled to perform relative positioning between the workpiece and the dispensing unit, and then the liquid can be accurately dispensed to the desired position on the workpiece.

The embodiment of the utility model provides thermal imaging equipment, and relates to the technical field of optical instruments. The thermal imaging equipment comprises a supporting piece, a visible light imaging assembly, an illumination assembly and a thermal imaging assembly, the visible light imaging assembly, the illumination assembly and the thermal imaging assembly are arranged on the supporting piece, and the illumination assembly and the thermal imaging assembly are located on the two opposite sides of the visible light imaging assembly in the first direction respectively. The first and second electrodes are respectively located at two ends of the support member in a first direction, and the first direction is parallel to the support member. The thermal imaging equipment is used for imaging a target.

A surveying system comprises a base 3, a first alidade 7 mounted on the base and rotatable relative to the base about a first axis 9, a first optical instrument 17 mounted on the first alidade 7, wherein the first optical instrument is configured to emit a first beam 41 of measuring light, a second alidade 19 mounted on the base and rotatable relative to the base about a second axis 21, and a second optical instrument 25 mounted on the second alidade, wherein the second axis substantially coincides with the first axis. The first optical instrument includes a scanner 31, and the second optical instrument includes at least one camera 63.

The invention discloses double-curvature glass with precise wide view and production equipment and method thereof, and belongs to the technical field of glass production, the double-curvature glass comprises a hot bending furnace, the hot bending furnace is detachably connected with a double-curvature mold, the hot bending furnace is electrically connected with a driving mechanism, and the driving mechanism is connected with a conveying mechanism and used for conveying the glass forwards; the hot bending furnace is provided with a first temperature and a second temperature, so that different areas of the glass obtain corresponding expansion coefficients to form double curvatures, and the double-curvature mold has a first curvature and a second curvature matched with the glass. According to the invention, curvature limitation is broken through, product innovation is realized, the technical bottleneck that only single-curvature glass can be prepared by an existing single-curvature hot bending process is solved, and preparation of double-curvature glass products with two different preset curvatures is successfully realized; the glass can be widely applied to the fields with high requirements on the view field and the imaging precision, such as automobile rearview mirrors, intelligent terminal display modules, optical instruments, security monitoring equipment and the like, and the application boundary of glass products is expanded.

An Embodiment comprise: a moving unit comprising a first board and an image sensor disposed on the first board, a stationary unit including a second board which is spaced apart from the first board, a support board configured to support the moving unit such that the moving unit is movable in a direction perpendicular to an optical-axis direction relative to the stationary unit and to conductively connect the first board to the second board, a position sensor disposed on the first board so as to detect displacement of the moving unit, and a capacitor conductively connected to first and second output terminals of the position sensor.

This invention relates to a method for assembling and adjusting a holographic concave grating monochromator, belonging to the field of optical instrument assembly and adjustment technology. It solves the problems of existing monochromator assembly and adjustment methods being cumbersome, time-consuming, labor-intensive, or having high theoretical requirements and low efficiency. The method involves leveling the holographic concave grating monochromator and laser; recording the initial spot height of the laser; directing the laser perpendicularly to the entrance slit of the monochromator to the center of the grating; measuring and recording the heights of the 0th and ±1st order diffraction spots; plotting the trajectories of the multi-order spectral spots; adjusting the pitch and / or tilt angle of the grating according to the trajectory until the center of each diffraction spot is collinear with the initial spot height; rotating the grating to allow the 0th order light to exit from the exit slit; using a right-angle fixture to adjust the grating shaft lever to be perpendicular to the drive screw and locking it; placing an external light source at the entrance slit; observing the clarity of the spectral lines at the exit slit using a microscope; and adjusting the thickness of the shim at the exit slit to achieve precise conjugate matching between the entrance and exit slits. This invention is simple to operate, quick to assemble and adjust, and highly accurate.

The application relates to a multi-aperture imaging space remote sensing target positioning optical system and a calibration method, and relates to the field of remote sensing and aerospace imaging optical instruments. The application solves the contradiction between the requirements of a large field of view and high resolution imaging of a traditional single-aperture optical imaging system, and realizes accurate positioning of a target to meet the intelligent requirements of a multi-aperture optical imaging system. The multi-aperture imaging space remote sensing target positioning sub-aperture imaging optical system comprises an electromagnetic vibration mirror, a beam-reducing telescope group, a fast reflection mirror and a rear focusing mirror group. The beam-reducing telescope group and the rear focusing mirror group are connected through the fast reflection mirror, and the light beam is connected with an imaging branch through the electromagnetic vibration mirror. After the imaging light beam passes through the telescope system, the imaging light beam is reflected by the fast reflection mirror and focused on a detector to form an image. The application is also suitable for a mobile platform for fast positioning and high-precision capturing of a dynamic target in the field of industrial precision machining and space remote sensing.

The invention relates to the technical field of optical films, in particular to an anti-reflection film on the surface of an optical instrument and a preparation method of the anti-reflection film. A plasma generating device is adopted to blow the surface of the glass substrate pre-cleaned in the step S1; adopting an atomic layer deposition technology to deposit an ALD-Ta2O5 seed layer on the surface of the glass substrate subjected to purging in S2; and alternately depositing ALD-SiO2 layers and ALD-Ta2O5 layers on the upper surface of the ALD-Ta2O5 seed layer of S3 by adopting an atomic layer deposition technology to obtain the anti-reflection film with the composite laminated layer. The uniform and compact inorganic coating grows on the surface of the glass substrate material through the atomic layer deposition technology, and the good anti-reflection effect is achieved.

The utility model relates to the technical field of optical instruments, in particular to a two-dimensional adjustable optical slit device which comprises a base, two containing cavities are symmetrically formed in the base, and a partition plate is formed between the two containing cavities. A blade is arranged in each containing cavity, a rotating shaft transversely penetrates through the blades, positioning columns are arranged at the two ends of the rotating shaft, sliding grooves are formed in the front inner wall and the rear inner wall of each containing cavity, and the positioning columns are inserted into the sliding grooves and slide in the sliding grooves. The end, extending out of the sliding groove, of the positioning column is fixedly connected with a supporting plate, the supporting plate is connected with a sliding plate arranged on the base in a sliding mode, and the sliding plate is provided with a spiral micrometer head. The positioning column moves along the sliding groove to achieve large-range position adjustment, the spiral micrometer head is responsible for high-precision slit width control, transverse and tangential two-dimensional adjustment is achieved, efficiency and precision are both considered, the slit width and the center position can be simply and accurately adjusted, and the structure is simple and practical.

The utility model relates to a deflection adjusting device. The deflection adjusting device comprises a fixing piece, a bearing piece and a connecting assembly, the bearing piece is used for bearing the optical instrument, the fixing piece and the bearing piece are sequentially arranged in the first direction, and the connecting assembly is connected between the fixing piece and the bearing piece and used for driving the bearing piece to rotate around a first axis parallel to the second direction relative to the fixing piece. And the driving part is used for driving the bearing part to rotate around a second axis parallel to a third direction relative to the fixing part, and the first direction, the second direction and the third direction intersect pairwise. According to the rotary adjusting device, the adjusting convenience of the posture of the optical instrument can be improved, meanwhile, the space posture of the optical instrument with the large size and mass can be adjusted, and the adjusting precision is relatively accurate.

A wearable smart ring includes an annular body sized to receive a finger, photoplethysmography (PPG) sensors arranged along an inner peripheral surface, and a microfluidic perspiration collector disposed at the inner surface. The collector has microchannels that draw perspiration by capillary action into one or more reservoirs and includes a region that concentrates or retains biomarkers. A docking station mechanically receives the ring for charging and interfaces with the collector to transfer fluid and / or perform in-situ analysis. The dock includes optical instrumentation (e.g., photometry, spectroscopy such as Raman) and may implement pumping and flushing to reset the collector for subsequent use. A controller communicates results by wireless links. The system enables passive collection of perspiration during wear and detailed biomarker analysis during charging, thereby augmenting PPG-derived physiological measurements with perspiration chemistry without burdening ring power or size.

This utility model relates to the field of optical instrument and equipment installation technology, and discloses a quick-release camera angle adjustment mounting base, including a connecting block. A movable rod is fixedly connected to the inner top of the connecting block. A horizontal rotating shaft is rotatably connected to the outer circumference of the movable rod. A fixed rod is fixedly connected to the front of the horizontal rotating shaft. A fixed block is fixedly connected to the top of the fixed rod. A movable rod is fixedly connected inside the fixed block. A rotating shaft is rotatably connected to the outer circumference of the movable rod. Fixed rods are fixedly connected to the left and right sides of the rotating shaft. Rotating bases are fixedly connected to the left and right sides of the fixed rods. An anti-shake device is installed on the opposite side of each rotating base. In this utility model, the connecting block is fixedly connected to the movable rod, and the movable rod is movably connected to the horizontal rotating shaft, thereby achieving stable horizontal rotation. The horizontal rotating shaft is fixedly connected to the fixed rod, and the fixed rod is connected to the fixed block.

The invention discloses a fused quartz substrate integrated laser radar transmit-receive optical module and an adjusting method, and belongs to the technical field of optical instruments. According to the module, all optical elements for transmitting and receiving optical paths are integrated on the same fused quartz substrate, and each element is provided with a micro sensor and a micro adjusting device. The system comprises a first control loop, a second control loop, a first central signal gating and routing unit and comparative judgment and arbitration logic. By means of six predefined paragraph diagnosis modes, the system can accurately position misalignment paragraphs in an optical path and only drives the micro adjusting devices corresponding to the misalignment paragraphs to conduct cooperative closed-loop compensation, and self-adaptive alignment from local fine adjustment to global search is achieved. The method has the beneficial effects of full-life-cycle self-maintenance, accurate and efficient adjustment, global optimization of a transceiving link, remarkable reduction of full-life-cycle cost and the like, and is particularly suitable for the fields of vehicle-mounted laser radars with high reliability requirements and the like.

This utility model discloses a heat-deformation resistant reflector support frame, specifically relating to the field of reflector support technology. It includes a lower arc frame, with a bidirectional assembly mounted above it. The bidirectional assembly includes: an upper arc frame, abutting against the upper surface of the lower arc frame, with side inserts slidably embedded on both sides of each upper arc frame; and a mounting block, fixedly connected to the top of the side inserts. A locking bolt is inserted into the interior of the side insert, and a locking nut is threaded onto the outer wall of the locking bolt near one end. Through this bidirectional assembly, the lower and upper arc frames vertically fix the optical instrument reflector, allowing the side inserts to be inserted laterally along the upper arc frame and pressed against the lateral surface of the optical instrument reflector. This achieves dual edge locking of the optical instrument reflector both vertically and laterally, enabling bidirectional anti-deformation operation of the optical instrument reflector.

This invention relates to an imaging field-of-view stitching structure module for a large field-of-view aerial camera, belonging to the field of optical instrument technology. It includes: a single-lens imaging component, a dual-system imaging bracket (3), and a mounting bracket assembly; both the single-lens imaging component and the mounting bracket assembly are provided in two sets, with each set of single-lens imaging components fixed to the dual-system imaging bracket (3) via a mounting bracket assembly; the angle formed by the two sets of single-lens imaging components on the dual-system imaging bracket (3) is set to 16.5°±2′. The field-of-view angle of this aerial camera imaging module is 4 times that of a camera with a single-chip array imaging chip, and the stitching accuracy can reach 3 pixels.

The utility model relates to the field of optical instruments, in particular to a telescope which comprises a support and an optical lens cone assembly arranged on the support. The optical lens barrel assembly comprises a main lens barrel, a focusing barrel and an objective lens which are installed in the main lens barrel, an ocular lens located on the rear side of the main lens barrel, and a focusing wheel assembly used for driving the focusing barrel to axially move back and forth relative to the main lens barrel. The eyepiece and the objective lens are located on the same optical path; the objective lens is directly or indirectly arranged on the focusing cylinder; the focusing barrel and the objective lens on the focusing barrel are positioned in the main lens barrel; and when the focusing barrel is located at the farthest end of the adjusting path, the farthest end of the focusing barrel is still located in the main lens barrel. The scheme has the advantages of simplified structure, dust prevention, water prevention, good appearance integrity and long service life.

This utility model discloses a high-temperature and high-pressure microscope, relating to the field of optical instruments. The device includes a vessel body and a lens. The lens is positioned above the vessel body. An observation base is installed at the bottom inner part of the vessel body, and a sapphire observation window is installed on the top of the observation base. An O-ring for sealing is movably fitted onto the outer wall of the sapphire observation window. Positioning retaining rings are respectively provided on the upper and lower sides of the O-ring. A fixing baffle is installed on the top of the vessel body, and a metal pad is installed on the upper surface of the top positioning retaining ring. The top of the metal pad is at the same level as the sapphire observation window. This device ensures that the O-ring will not undergo significant deformation or displacement under high temperature and high pressure conditions through the positioning retaining rings, thereby increasing the pressure resistance of the entire vessel body to 150 MPa and the temperature resistance to 200°C. Simultaneously, it maintains the same distance between the sapphire observation window and the observation base, allowing the microscope system to operate with a high-resolution lens at a closer working distance, thus improving image quality.

To solve a problem in which there is a problem in which a vibration actuator malfunction due to poor polarization when a voltage is applied to a piezoelectric material through an elastic body to attempt polarization processing.SOLUTION: An elastic body and a piezoelectric material are joined by a conductive adhesive portion in which conductive particles are dispersed.SELECTED DRAWING: Figure 1

The present embodiment relates to a lens driving device comprising: a base; a carrier disposed in the base; a magnet and a coil for moving the carrier with respect to the base; and a ball disposed between the base and the carrier, wherein the carrier includes an elastic body, and the ball is disposed on the elastic body of the carrier.

This application relates to the field of optical equipment and discloses a method, apparatus, and medium for designing internal flow channels in optical instruments. The method includes: acquiring internal flow channel information of a target optical instrument and creating an initial flow channel model based on the internal flow channel information to determine the flow channel subspace domain; determining the individuals of a genetic algorithm and the objective function of the initial flow channel model, and determining the target individuals based on the objective function values ​​of each individual; determining whether the target individuals meet preset conditions; if so, determining the flow channel structure information based on the target individuals; and determining the flow channel optimization model based on the flow channel structure information. Therefore, the technical solution provided in this application, by constructing an initial flow channel model and using a genetic algorithm to solve the model, more accurately and quickly determines a flow channel model with low turbulence excitation, improving the performance of optical instruments and reducing design costs. The complexity of the flow channel model is incorporated into the objective function to prevent the final optimized flow channel model from becoming too complex and causing excessive manufacturing difficulties.

A fiber optic spectrometer, belonging to the field of optical instruments, includes a beam collimating unit positioned perpendicular to the emission direction of the fiber optic light. Behind the collimating unit, a beam deflector is tilted, and below the deflector, a projection grating is positioned. The transmission grating forms a 45° angle with the line parallel to the central wavelength principal ray of the beam collimating unit. A pair of mirrors with different tilt angles are positioned on the light emission side of the transmission grating, and a beam focusing unit is positioned on the light incident side of the transmission grating. The emitted beam from the beam focusing unit is parallel to and opposite to the central wavelength principal ray of the beam collimating unit. A detector array is positioned on the fiber emission side of the beam focusing unit. This invention uses a single projection grating, achieving two symmetrical reflections through the mirrors, and its optical path dimensions are more compact than the aforementioned dual-grating structure, thus achieving the spectral resolution effect of a dual-grating.

The utility model relates to optical instrument processing technical field especially, a kind of fixing device for optical instrument processing is provided.The utility model discloses a kind of fixing device for optical instrument processing, including bottom plate, lens mounting seat is fixedly connected on bottom plate, side plate is fixedly connected on both sides of lens mounting seat on bottom plate, straight recess is equipped on lens mounting seat and fixed block is equipped in straight recess and is fixedly connected with lens mounting seat, two clamping seats are slidably connected on lens mounting seat at straight recess and two clamping seats are respectively located at the both sides of fixed block, screw rod is rotatably connected with it and is rotatably connected with fixed block on the side plate and one end of screw rod, screw rod is screwed with clamping seat and is screwed, and the end of screw rod away from fixed block is fixedly connected with knob.The utility model provides a kind of special fixing device capable of providing stable, reliable, adjustable and lossless clamping, so that the further promotion of optical instrument processing technology level is realized.

The invention provides high-refractive-index optical glass, a glass prefabricated part, an optical element and an optical instrument. The optical glass with the high refractive index comprises the following components in percentage by weight: 3-10% of SiO2; 10% to 20% of B2O3; 5% to 15% of ZnO; zrO2: 2%-8%; 30% to 42% of La2O3; 1%-8% of Y2O3; 0.2%-5% of WO3; 4% to 12% of TiO2; 4% to 12% of Nb2O5; 0 to 5 percent of BaO; wherein the ratio of (ZnO + BaO) to (TiO2 + ZrO2) is 0.40 to 2.00. Through reasonable component design, the optical glass obtained by the invention has the expected high refractive index, and also has relatively high hardness and relatively good devitrification resistance.

This utility model discloses a light-shielding device, relating to the field of optical instrument accessories technology. The device includes: a light-shielding body comprising at least two hinged light-shielding components; a light-shielding space formed by the plurality of light-shielding components and a display device; supplementary lighting components connected to the side of each light-shielding component closest to the display device; an anti-glare component connected to the side of the supplementary lighting component away from the light-shielding body; and a connecting component fixed to the light-shielding body. The light-shielding body is detachably connected to the display device via the connecting component. By setting at least two hinged light-shielding components to form the light-shielding body, the light-shielding depth can be adjusted by changing the hinge position of the light-shielding components to adapt to different light directions and avoid shadows. Simultaneously, supplementary lighting and anti-glare components are provided, integrating light-shielding, supplementary lighting, and anti-glare functions. The connecting component allows for quick installation, accelerating installation speed and improving outdoor work efficiency.

The invention relates to the field of optical instruments, and discloses a TOF camera module which comprises a focusing light source, a divergent light source and a camera module body and further comprises a horizontal substrate, the focusing light source, the divergent light source and the camera module body are all fixed to the horizontal substrate and electrically connected with the horizontal substrate, and the camera module body is arranged between the focusing light source and the divergent light source and electrically connected with the divergent light source. And the camera module and the optical axis of the divergent light source are coplanar and parallel. When the optical axes of the camera module and the divergent light source module are coplanar and parallel, the receiving end of the camera module is located at the irradiation dead angle of the light emitted by the divergent light source module, and at the moment, a black physical partition plate does not need to be arranged between the transmitting end of the divergent light source module or the focusing light source module and the receiving end of the camera module; the light emitted by the divergent light source module can be prevented from directly entering the receiving end of the camera module, so that the distance measurement precision is more accurate.

This invention relates to a method and apparatus for optimizing the process parameters of screw anti-loosening in airborne optical engine products. The optimization apparatus mainly consists of an optical reference, a platform, an autocollimating optical instrument, and a loading instrument. The screws of the airborne optical engine products to be selected include optical lenses and screws. The optical lenses can be lenses, mirrors, or prisms. The optimization method includes determining the influencing factors related to screw anti-loosening, collecting the position of the optical reference, collecting the position of each group of optical lenses, applying an environmental load, collecting the position of the optical reference and each group of optical lenses after unloading, calculating the optical lens offset, and optimizing the process parameters. This invention measures the positional change of the optical lenses before and after the load to reflect the loosening of the screw, achieving high detection accuracy; it optimizes the screw tightening process parameters by directly measuring the offset of the fixed optical lenses, meaning the process parameters directly reflect the offset of the optical lenses.