210 results about "Optical instrumentation" patented technology

The utility model discloses a collimator for optical instrument parallelism adjustment, which relates to the technical field of optical instrument detection equipment and comprises a laser generator and a cylinder fixedly connected to the output end of the laser generator, a frame is slidably connected to the inner arc wall of the cylinder, and a convex lens is coaxially arranged on the inner side of the frame. The outer arc wall of the convex lens is slidably connected with four fixing seats which are distributed in an annular array, and the ends, away from the convex lens, of the fixing seats are rotatably connected to the inner arc wall of the frame body; according to the utility model, the deflection angle of the lens is adjusted through the plurality of first adjusting knobs, the direction of a light beam output by the laser generator after being refracted by the lens can be finely adjusted, so that the light beam can more accurately point to a target position, and the second adjusting knob enables the lens to axially move so as to adjust the focusing position of the light beam. It is ensured that the light beam forms a clear focus at the target position, meanwhile, the adjustable lens can eliminate light beam deflection caused by manufacturing or assembling errors, and therefore the adjustment and calibration precision is improved.

The invention relates to a novel fast reflecting mirror based on piezoelectric and electromagnetic composite driving, and belongs to the technical field of optical instruments and equipment. An existing fast reflecting mirror has defects in the aspects of driving precision, response speed and stability. The technical scheme is characterized in that a combined structure of a base, a mirror surface assembly, a piezoelectric driving unit, an electromagnetic driving unit and a control module is adopted. And the control module adopts a time-sharing multiplexing strategy to realize switching between the piezoelectric driving circuit and the electromagnetic driving circuit, and acquires key parameters through a time-sharing monitoring algorithm. The fast reflecting mirror is mainly used in a high-precision optical system, and can realize fast and accurate light beam direction adjustment.

The utility model relates to the technical field of optical instruments. The optical adjusting frame comprises an adjusting frame fixing seat, a fixed rotating assembly is arranged on one side face of the adjusting frame fixing seat, the fixed rotating assembly is rotationally connected with an adjusting plate, an optical lens is fixedly installed on the inner wall of the adjusting plate, the fixed rotating assembly comprises a fixing groove and a screw, and the fixing groove is fixedly connected with the screw. According to the utility model, the adjusting plate and the optical lens are fixed through the fixed rotating assembly on one side surface of the adjusting frame fixing seat, so that the adjusting plate and the optical lens are fixed, and the adjusting plate and the optical lens are fixed through the fixed rotating assembly on one side surface of the adjusting frame fixing seat. And the optical lens is prevented from being interfered by external environmental factors during use to cause light spot deviation, so that the stability of the device is ensured.

The invention relates to the field of laser machining, in particular to an optical zoom laser precision machining deep hole and deep groove device which comprises a first shell, a laser generator mounting seat, a laser generator, a beam expander mounting seat and a beam expander, an air induction opening and an air exhaust opening are formed in the two opposite side walls of the first shell correspondingly, and a heat dissipation mechanism is mounted on the first shell; the heat dissipation mechanism comprises an induced draft fan and an exhaust fan, the induced draft fan and the exhaust fan are fixedly connected to the two opposite side walls of the first shell correspondingly, the induced draft fan communicates with the induced draft opening, the exhaust fan communicates with the exhaust opening, and a plurality of first heat dissipation fins arranged at equal intervals are fixedly connected to the laser generator installation base. The multiple first cooling fins are located between the induced draft fan and the exhaust fan. The problem that the heat dissipation effect of an optical instrument is poor is solved.

The invention discloses an optical instrument based on multifunctional fluorescence chemiluminescence imaging, and belongs to the technical field of optical instruments. An optical instrument based on multifunctional fluorescence chemiluminescence imaging comprises a fluorescence chemiluminescence imaging instrument, a box door is movably installed on the lower portion of the fluorescence chemiluminescence imaging instrument, a packaging plate is movably installed in the box door, and a sealing gasket is fixedly connected to the side face of the packaging plate. The packaging plate is pushed by the telescopic spring, so that the sealing gasket on the side face of the packaging plate and the sealing frame are sealed, the sealing effect of the sample chamber is improved, when the box door is opened, the sample table slides out synchronously, the sample table can stretch out conveniently and automatically, when the box door is closed, the sample table shrinks synchronously, and convenience in sample placement is improved; the photoelectric detector detects that the external light source and the buzzer begin to buzz, and when the box door is closed, the sample box has no external light source, and the buzzer stops buzzing, so that the light source in the sample chamber is monitored, and the imaging effect is prevented from being influenced.

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 utility model discloses a complete test system for an automobile camera monitoring system, which comprises a camera support, a camera assembly supported on the camera support, an image card support arranged outside an image taking end of the camera assembly, an image card clamped on the image card support, and the image card arranged towards the camera assembly. A point light source assembly and a light supplementing light source are sequentially arranged between the camera assembly and the image card; the vehicle-mounted display screen is electrically connected with the camera assembly; in combination with the point light source assembly and the light supplementing light source, shooting environment simulation can be carried out, an image card is shot, a shot image is presented on a vehicle-mounted display screen, and project detection is carried out through an optical instrument; the test system is high in overall integration level, and can realize detection of numerous items in a limited space.

One or more devices, systems, methods and storage mediums for performing intravascular imaging and / or optical coherence tomography (OCT) while detecting and / or characterizing one or more tissues are provided. Examples of applications include imaging, evaluating and diagnosing biological objects, such as, but not limited to, for Gastro-intestinal, cardio and / or ophthalmic applications, and being obtained via one or more optical instruments, such as, but not limited to, optical probes, catheters, capsules and needles (e.g., a biopsy needle). Preferably, the intravascular imaging devices, systems methods and storage mediums include or involve a method, such as, but not limited to, using one image, such as a carpet view, to detect and / or characterize the one or more tissues and / or to perform coregistration. Examples of identified or detected tissues include calcium, lipids, and other types of tissue.

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 discloses a coaxiality error correction system and method based on a laser reference and real-time feedback, relates to the field of dense shaft system part processing and optical reference calibration, and solves the problems that the existing coaxiality correction depends on secondary clamping correction after offline detection of a three-coordinate measuring instrument; the correction precision is influenced by subjective judgment depending on artificial experience, and the like. According to the method, a closed-loop technical path of signal acquisition, algorithm resolving, instruction generation and feedback execution is constructed, so that the limitation of traditional off-line detection is broken through, an integrated process of'measurement, resolving and compensation 'is realized, and secondary clamping errors are reduced. The method is also suitable for the fields of micron-sized precise shafting machining, optical instrument calibration and online dynamic correction of aerospace high-precision assembly parts.

The utility model discloses an optical device and an optical instrument, and belongs to the technical field of optics. A second transparent substrate; the connecting piece is arranged between the first transparent substrate and the second transparent substrate and is connected with the first transparent substrate and the second transparent substrate to form a sealed shell; a preset optical assembly is arranged in the shell, and the preset optical assembly is used for changing the deflection angle of the first light and the second light; the supporting structures are used for playing a fixing and supporting role between the first transparent substrate and the second transparent substrate, each supporting structure is provided with a first supporting end and a second supporting end which are oppositely arranged, and the cross sectional area of the supporting structures is reduced from the first supporting ends to the second supporting ends; the first supporting end of each supporting structure is connected with the first transparent substrate, and the corresponding second supporting end of each supporting structure is connected with the second transparent substrate. The supporting structure can provide stable support and accurately control the distance between the two layers of substrates, so that the purpose of accurate dynamic focusing is achieved.

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.

The present invention discloses a solar simulator for testing the performance of a solar photovoltaic charging system, which belongs to the technical field of optical instrument design, and includes a solar irradiance data acquisition system and an adjustable irradiance solar simulation system. The solar irradiance data acquisition system and the adjustable irradiance solar simulation system are connected to a computer via a single-chip microcomputer and a USB to serial port. The solar irradiance data acquisition system includes a solar collection light tube and a solar tracking light tube, and the adjustable irradiance solar simulator includes a condenser, an optical integrator, and a dimming board. The present invention adopts the above-mentioned solar simulator for testing the performance of a solar photovoltaic charging system, and uses the collected solar irradiance data to control the irradiance output of the solar simulator to achieve simulation of solar irradiance in a real environment, which can greatly reduce the test error, thereby accurately guiding the optimization of the solar photovoltaic charging system.

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.