30 results about "Single lens" patented technology

The present application relates to the technical field of optical aspheric surface, especially points to a kind of free curved surface characterization method based on CGH lens zero position compensation detection optical path, with the detection of free curved surface as the guide, based on zero position compensation detection principle, according to ray tracing method, Snell's law, diffraction principle and equal optical path principle, using the parameters required by interferometer incident wave front as plane wave, compensator as single CGH lens zero position compensation detection system indirectly characterizes free curved surface shape, by using XY polynomial and Zernike standard phase polynomial, the mathematical description of free curved surface is realized in design stage can determine its measurement scheme, and according to the characterization method self-defined a kind of aspheric surface type, called zero position free curved surface.The free curved surface characterization method improves the degree of freedom of free curved surface shape and the feasibility of zero position compensation method, reduces the detection difficulty of free curved surface shape, realizes the function of zero position free curved surface design can be detected.

The application provides a continuous zoom optical system and a stereomicroscope for the stereomicroscope, and the optical lens unit comprises, in sequence along a main optical axis, an upper fixed lens group, a compensation lens group, a middle fixed lens group, a zoom lens group and a lower fixed lens group; a variable diaphragm is arranged between the middle fixed lens group and the zoom lens group along the main optical axis; the upper fixed lens group, the compensation lens group, the zoom lens group and the lower fixed lens group are all configured as double lens combinations, the focal length values of the upper fixed lens group and the zoom lens group are negative, and the focal length values of the compensation lens group and the lower fixed lens group are positive; the middle fixed lens group is configured as a double-concave single lens; the compensation lens group and the zoom lens group are axially moved along the main optical axis based on a first zoom fitting curve and a second zoom fitting curve respectively; and the advantages are that the system has smooth magnification, suppresses vignetting phenomenon, and dynamically adjusts the numerical aperture, the depth of field and the light throughput to adapt to different scene requirements.

This invention provides a catadioptric shortwave infrared imaging spectrometer, comprising, in order of light incidence, an entrance slit, a plane mirror, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, a grating, and an imaging sensor. The plane mirror, together with the upper portions of the first, second, third, fourth, fifth, sixth, and seventh lenses, forms a collimation system. The grating, together with the lower portions of the seventh, sixth, fifth, fourth, third, second, and first lenses, and the imaging sensor, together form an imaging system. Collimation and imaging share a single lens group, resulting in a compact structure, easier aberration correction, simpler assembly and adjustment, better image quality, lower tolerance sensitivity, and reduced assembly difficulty.

The utility model relates to a dining table technical field, concretely relates to a kind of embedded dining table with light and shadow effect, including base;Rectangular outer frame is installed on base;Top cover is installed at the top of outer frame, and top cover middle part is hollowed out and embedded single lens;Reflecting mirror is located at the top center of base;Pattern switching mechanism is installed in the inside of outer frame;Pattern switching mechanism includes: four vertical fixed posts are set on base, and the synergistic innovation of double-layer dynamic pattern switching mechanism and the inside light bar of vertical fixed post is realized in the real-time variability of abyss mirror effect in dining table limited space: eight-axis synchronous drive system ensures that four groups of pattern reel are accurately positioned when being retracted and switched, and simultaneously directional light bar continuously covers mechanical gap, so that the light and shadow depth of reflecting mirror reflection is always without fault surface;Combined with the space deformation ability of turnover table top, embedded dining table is endowed with unprecedented immersive variable scene experience.

The utility model relates to a lens plasma cleaning tray, include: tray, be equipped with a plurality of with array form distribution's convex on the upper surface of tray, the area of the region of distribution convex on tray is bigger than the area of single lens, and the gap between two adjacent convexes has and the size of center spacing is smaller than the size of single lens. Advantageous effect is: the tray can place a plurality of lenses in the region of distribution convex, and can guarantee that the lens is not inclined after placing, since the lens is supported by a plurality of convexes, compared with sticking to the tray, the other surfaces (five surfaces) of the lens and the downward surface can contact the plasma gas during plasma cleaning, and the corresponding bonding standard can be cleaned, so that the situation of confusing A and B surfaces will not occur, and the tray can use an automatic suction nozzle to suck the lens, which greatly improves the efficiency compared with manual use of tweezers.

The application relates to the technical field of spectral calibration, in particular to a spectral calibration method and device of a single-lens imaging spectral system. Step 100: according to the focal length of the single lens, the distance between the single lens and the detector is adjusted, the monochromator is controlled to be turned on, and the wavelength is initialized; step 102: the two-dimensional displacement platform is controlled to move according to a preset distance, so as to record each acquisition position of the detector and the corresponding number; step 104: the gray-scale map data collected by the detector is fitted, so that the maximum value position of the spectral line and the corresponding number are obtained; step 106: the initialized wavelength is adjusted according to a preset increment; step 108: steps 100 to 106 are circularly executed, so that the position number of the maximum value of the spectral line under different wavelength conditions is obtained; and step 110: the spectral calibration position is determined based on the position number of the maximum value of the spectral line under different wavelength conditions. In this way, the calibration of the spectral center wavelength can be accurately and efficiently completed.

Lighting device (100) and automotive lighting comprising: a plurality of lighting elements (12), wherein a first group of lighting elements (12A) is arranged along a first direction (x) and a second group of lighting elements (12B) is arranged along the first direction (x) and arranged next to the first group of lighting elements (12A) along a second direction (y) perpendicular to the first direction (x), a single lens (14) in a distance from the first group of lighting elements (12A) and / or the second group of lighting elements (12B) to collimate light from the first group of lighting elements (12A) and the second group of lighting elements (12B), a cylindrically shaped optical element (10) extending along the first direction (x) placed between the plurality of lighting elements (12) and the lens (14), wherein the optical element (10) has a non-uniform shape.

The application belongs to the technical field of mass spectrometers, in particular to a secondary ion extraction device for secondary ion mass spectrometry, which comprises a sample table, an extraction cone shell and a five-ring deceleration focusing system arranged in sequence from bottom to top, the extraction cone shell is internally provided with an ion extraction system, a sample is placed on the sample table, the ion extraction system comprises an extraction electrode, a front ground electrode, a single lens electrode and a rear ground electrode arranged in sequence from bottom to top, and each electrode is connected and separated by an insulating ring; the five-ring deceleration focusing system comprises a middle-aperture metal shielding shell, four ring electrodes and a differential electrode sheet arranged in sequence from bottom to top, and the four ring electrodes, the metal shielding shell and the ring electrodes, and the ring electrodes and the differential electrode sheet are connected and separated by insulating rings. The application can extract secondary ions from the surface of the sample, has a compact structure, a small volume and ensures optical microscopic imaging compatibility.

The application relates to a co-encapsulation optical interface based on a single-reflector and single-lens architecture and a manufacturing method thereof, and relates to the technical field of optical communication and optical interconnection, in particular to a co-encapsulation optical interface based on a single-reflector and single-lens architecture and a manufacturing method thereof. An optical core base is formed into an integral structure by one-precision injection molding through an optical-grade transparent material; the optical core base is a transparent single-piece, a 45-degree reflector unit is arranged at the rear end of the optical core base, the 45-degree reflector unit is used for reflecting and turning a light beam propagating in a first direction into a second direction which is 90 degrees to the first direction; a non-spherical focusing lens unit is arranged at the bottom optical exit area of the optical core base, the non-spherical focusing lens unit and the 45-degree reflector unit correspond to each other in an optical path, and the non-spherical focusing lens unit is used for collimating or focusing a divergent light beam from an external light source. The 45-degree reflector unit and the non-spherical focusing lens unit are integrated in the single-piece transparent optical core base, the collimation of the light beam and the 90-degree turning of the optical path are cooperatively coupled, so that the number of optical elements is reduced, the structure is simplified, and the optical coupling efficiency and the interface connection reliability are improved.

1. Name of the product in this design: Single-lens dual-projection headlight. 2. Application of this design: Single-lens dual-projection headlight. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This invention relates to a large field-of-view diversity receiver for underwater wireless optical communication, belonging to the field of underwater optical communication technology. It includes a top lens-detector module pointing vertically towards the zenith and four surrounding side lens-detector modules. The four side modules are evenly distributed along the circumference and have a uniform tilt angle relative to the zenith direction, causing the spatial fields of view of each module to partially overlap, thus synthesizing a large composite field of view. Each module consists of a defocused condenser lens and a photodetector. This invention avoids the trade-off between gain and field of view limitation of traditional single-lens receivers, relaxing communication alignment requirements while retaining the high-speed transmission advantage of small-area detectors. Combined with a signal combining algorithm, it can effectively combat underwater signal fading, making it suitable for underwater wireless optical communication systems.

The utility model discloses an automatic lifting rotary platform for face scanning, including base, a plurality of universal wheels are installed to the base bottom, the base is equipped with camera bearing mechanism, one side of camera bearing mechanism is equipped with touch -control screen, be equipped with brake mechanism on the base, camera bearing mechanism includes support frame, the inside rotatory joint of support frame has lifting screw, belong to face scanning technical field. This automatic lifting rotary platform for face scanning, through industrial camera, single lens reflex and infrared face capture camera are installed on three placing frame, then rotate clamping knob and fix with the camera, lifting motor drives electric rotary table to go up and down, so that the personnel who is collected is in the through -hole inside, and the electric rotary table drives the camera to rotate, and the face is scanned comprehensively, and compared with the artificial handheld camera scanning is more efficient, reduces the labor intensity of staff, and effectively improves data collection efficiency.

This application relates to the field of medical optical device technology and discloses an endoscopic illumination system with continuous switching between near and far beams. The system includes multiple illumination channels, each with a light guide window. The light guide window of the first illumination channel has a larger divergence angle, while the light guide window of the second illumination channel has a smaller divergence angle. The incident end face of the fiber bundle includes a central region and an edge region. The fiber in the central region is connected to the first illumination channel, and the fiber in the edge region is connected to the second illumination channel. The energy distribution ratio between the central and edge regions can be changed by adjusting the axial position of the converging lens. This application can simultaneously achieve uniform near-field illumination and energy concentration for far-field illumination, and continuous switching between near and far beams can be achieved by adjusting the axial position of a single lens.

The application belongs to the field of micro-nano optical manufacturing, and discloses a lens microstructure manufacturing error real-time compensation closed loop method, system, computer equipment and storage medium. The method comprises the following steps: after a single lens completes a current process and before entering a next process, three-dimensional topographic data of the single lens is acquired online, and an actual phase is calculated; a manufacturing phase error is obtained by comparing the actual phase with a design phase; a cross-process error transmission model is established to describe the transmission evolution characteristics of the error between different physical mechanism processes; a process parameter compensation amount of the next process is generated according to the error and the model, and equipment parameters are adjusted in real time, so that the phase change generated in the next process offsets the predicted error evolution result. The application realizes single lens level real-time closed loop compensation of cross-process manufacturing errors, effectively suppresses error transmission accumulation, and improves manufacturing precision and consistency.

This utility model relates to the technical field of photoelectric sensors, specifically a photoelectric sensor, belonging to the field of sensor technology. The photoelectric sensor includes a housing and an integrated lens. The housing has an internal mounting groove. The integrated lens includes a curved portion, a flat portion, and a protruding stepped portion. The curved portion is used to refract and correct the direction of light. The integrated lens is mounted inside the housing via the stepped portion and the mounting groove. After assembly, the flat portion is flush with the housing. The technical solution provided by this utility model eliminates the need to assemble individual lenses to obtain a combined lens for object detection using a photoelectric sensor, simplifying the assembly process and reducing the assembly cost. The stepped portion allows the integrated lens to be directly mounted in the housing. The structure of the integrated lens is simpler than that of the combined lens, and the lens manufacturing cost is lower, further reducing the assembly cost of the photoelectric sensor.

This invention provides a method for measuring the stress of micro-spot lenses, comprising: acquiring two left-arm micro-spot lenses and two right-arm micro-spot lenses respectively, and combining them to obtain three sets of micro-spot lens groups, each set including one left-arm micro-spot lens and one right-arm micro-spot lens; sequentially installing each set of micro-spot lens groups on a direct-through dual-rotation Mueller matrix ellipsometer, and obtaining the maximum and minimum phase retardation values ​​by rotating the right-arm micro-spot lens in each set; and calculating the phase retardation of each of the two left-arm and two right-arm micro-spot lenses based on the maximum and minimum phase retardation values ​​obtained from the three sets of micro-spot lens groups. This invention can measure the stress of a lens using a direct-through dual-rotation Mueller matrix ellipsometer, find the maximum and minimum values ​​of the measured stress by rotating the right-arm lens of the ellipsometer, and analytically calculate the stress value of a single lens.

This application discloses an optical system and a vehicle, belonging to the field of vehicle technology. The optical system includes a lens assembly, a beam splitter assembly, a single-photon detector, an image sensor, and a processor. The lens assembly is used to receive light. The beam splitter assembly includes a beam splitter prism, which is optically connected to the lens assembly. The beam splitter prism has a first surface, a second surface, and a third surface. A single lens assembly simultaneously meets the light-receiving requirements of both the lidar receiving lens and the forward-looking camera, reducing the number of independent lenses used. The beam splitter prism also achieves compact separation of the two optical paths. Furthermore, since a shared backend processor is used for data fusion, there is no need to set up separate computing power processing components for lidar data and visual data, simplifying the overall system architecture, improving integration, reducing physical size, decreasing space occupation, and lowering material and computing power costs.

The application belongs to the field of optics, and discloses a double-Gaussian double-optical-path structure, which comprises an incident light path, a transmission light path and a reflection light path, characterized in that the transmission light path comprises a first single lens, a first double-cemented lens, a second double-cemented lens and a second single lens arranged in sequence; the reflection light path comprises a mirror, a third single lens, a third double-cemented lens, a fourth double-cemented lens and a fourth single lens arranged in sequence; the root mean square point column diagram radius value of the transmission light path is less than 8 microns in the full field of view and the full wave band, and the imaging distortion is less than 2%; the root mean square point column diagram radius value of the reflection light path is less than 8 microns in the full field of view and the full wave band, and the imaging distortion is less than 2%.

This utility model relates to the field of lens technology, specifically to an optical microscope objective. Compared with similar designs, this objective has an ultra-long working distance (working distance greater than 6.10 mm) and a large numerical aperture (numerical aperture greater than or equal to 0.75), and is simple to manufacture, which can greatly reduce the actual production cost of the objective. The first group uses two sets of cemented doublet lenses and one set of lenses, which is beneficial for controlling field curvature and eliminating chromatic aberration; the second group uses two sets of cemented doublet lenses and two sets of cemented triplets lenses, which is beneficial for eliminating axial chromatic aberration of the system; the third group has at least three meniscus single lenses, which can be used to significantly increase the numerical aperture.

A kind of method and device for switching of car light high-low light, independently controlled low light source and high light source are respectively arranged to carry out illumination, when carrying out low light illumination, independently open low light source, form low light illumination light line.High light source light line is deflected by high light source deflection lens and is irradiated on main lens to reduce the dark area between low light source and high light source, when carrying out high light illumination, low light source and high light source are simultaneously opened, the light line emitted by low light source and the light line emitted by high light source are fused by main lens, form high light illumination light line and carry out illumination.The beneficial effects of the present application are: using high light deflection design, the problem of single-lens high-low light spot not coinciding can be effectively solved.It uses lens to deflect high light source, eliminates the influence of dark area as far as possible, so that low light source and high light source can be effectively fused.On this basis, high light source eliminates halo caused by light dispersion by refraction and light path shielding.

The application relates to an imaging detector chip vibration displacement testing device and method, which comprises an LED plane light source, a homogenizing plate, an imaging lens and an image acquisition card; the LED plane light source illuminates the imaging lens after passing through the homogenizing plate, and the position of the imaging detector chip to be tested is adjusted through a gasket so as to be just located at the focal plane position of the imaging lens; the imaging lens comprises a lens barrel, a diaphragm and a double-sided convex lens which are sequentially arranged in the inner cavity of the lens barrel according to the light path; the lens barrel adopts an integrated forming process to first mill the inner cavity of the lens barrel and finally mill a small hole; the image acquisition card is connected to the imaging detector to be tested, and the image data is read by an upper computer. After the plane light source is homogenized by the homogenizing plate to form diffuse reflection, a point light source is formed through the small hole, small spot imaging is realized by using single-lens imaging, and finally the spot centroid is directly represented by the image plate to represent the chip displacement.

A kind of fold-diffraction hybrid middle wave infrared refrigeration optical lens, including being arranged in order from left to right along the direction of optical axis successively: first single lens L1, second single lens L2, third single lens L3, fourth single lens L4, fifth single lens L5, sixth single lens L6, seventh single lens L7 and eighth single lens L8, the first single lens L1 is meniscus positive lens, the present application aims at solving the problems existing in prior art middle wave infrared imaging system, through the innovative fold-diffraction hybrid optical system design, high transmittance, large field of view, high resolution imaging performance is realized, while ensuring the stability in wide temperature range. Through careful design and reasonable selection of material to optical element, the lens of the application not only improves the imaging quality, but also reduces the processing cost, simplifies the difficulty of installation and adjustment, provides a new direction for the development of middle wave infrared imaging technology.

This application belongs to the field of medical device technology and provides a smart mirror for orofacial muscle function training, including: a support base; a device body disposed on the support base, the support base supporting the device body; and a single lens disposed on the device body, the single lens including a reflective surface and a single-transparent surface disposed opposite to each other, a display screen disposed on the single-transparent surface, the single-transparent surface transmitting light unidirectionally towards the reflective surface, and the display screen displaying light towards the single-transparent surface; at least one of the support base and the device body is provided with a circuit board. The single lens in this invention can both display the content on the display screen and also function as a reflective lens, allowing patients to follow the images on the display screen for orofacial muscle function training, and enabling real-time comparison and correction, improving the patient's training accuracy. The device can also capture images of the patient's face using a camera, helping the patient better assess the training effect and improving the overall effectiveness of the orofacial muscle function training.

The present invention relates to a beam-splitting lens for generating a multi-beam light emitter, said beam-splitting lens comprising at least two single lenses, each single lens being capable of projecting a collimated light beam from light captured at a focal point defined by the configuration of the lens, each single lens being configured so as to have its own individual focal point which is different from the individual focal point of the other lens.

This invention provides an automotive headlight lens adjustment structure, an automotive headlight, and an automotive component, relating to the field of automotive parts. The automotive headlight lens adjustment structure includes at least two lens supports and corresponding first adjustment components. The lens supports are used to mount lenses, and the first adjustment components are correspondingly arranged with the lens supports. The first adjustment components include three ball-head screws, one end of which is connected to the corresponding lens support, and the other end of which is used to connect to the headlight housing. The three ball-head screws are arranged in a triangle, and at least two of the three ball-head screws are fine-tuning ball-head screws, which are used to rotate to drive the lens support to rotate relative to the headlight housing. The solution of this invention, by rotating the fine-tuning ball-head screws to drive the lens support and the lens on it to rotate, achieves angle adjustment of a single lens. By sequentially adjusting the first adjustment components corresponding to each lens, the optical center points of all lenses coincide, improving the lighting effect.

This utility model discloses an optical system for a large-aperture full-frame fixed-focus lens, belonging to the field of optical lens manufacturing technology. It includes a first objective lens group G1, a second objective lens group G2, and a third objective lens group G3 arranged sequentially from the object side to the image side along the optical axis. The aperture stop is located in the first objective lens group. During focusing, the second objective lens group G2 moves along the optical axis to the image side, while the positions of the first objective lens group G1, the aperture stop, and the third objective lens group G3 relative to the image plane remain unchanged. Furthermore, the optical system satisfies the following conditions: 0.87≤FG1 / F≤1.25; 0.62≤|FG2 / F|≤0.98; 0.7≤FG3 / F≤1.2. The first objective lens group comprises four single lenses with positive optical power, one cemented doublet with negative optical power, one single lens with negative optical power, and an aperture stop; the third objective lens group comprises one single lens with positive optical power, one cemented tetrad lens, and two lenses with negative optical power, one of which is an aspherical lens. This invention can achieve good imaging quality.

This paper discloses a small form factor optical head that defines a single optical path. The optical head includes a housing, a lens positioned on or within the housing, and a light source positioned within the housing to emit excitation light. A mirror positioned within the housing reflects the excitation light to the lens and receives the emitted light returning through the lens, and a beam splitter positioned within the housing guides the excitation light to the lens and the emitted light to a detector, which receives the emitted light after it returns through the lens and beam splitter. The lens, mirror, and beam splitter define a single optical path for the excitation and emitted light. This paper also discloses a method for optical analysis.

The present application relates to the technical field of optical element detection, and discloses an optical element damage threshold detection system, which comprises a first light source, a switching device, a sample stage, an imaging device and a main controller. The main controller is used to control the switching device to switch the focused optical assembly on any optical mounting position to be located on the main light path of a test light beam. The focused optical assembly on different optical mounting positions comprises a single-lens focusing assembly and a beam-reducing mirror focusing assembly. The light beam shaped by the focused optical assembly is output to a specific point of the measured optical element for damage testing. The damage threshold detection result can be obtained by analyzing the detection images before and after the action of the test light beam using the imaging device. The optical element damage threshold detection system can adapt to the testing requirements of thin film and long crystal optical elements, thereby suppressing the self-focusing of the long crystal and improving the accuracy of the test result.