71 results about "Magnification device" patented technology

The utility model belongs to the field of beam deflection monitoring devices, and particularly discloses a beam deflection change amplification and visualization device. Comprising a laser emitting device and a laser refraction device. The laser emitting device is fixed to a column at one end of the beam, the laser refraction device is installed at the bottom of the middle of the beam, and laser is refracted and amplified through a convex lens. A screw rod and two round rods in the device are arranged in parallel, and a convex lens is vertically fixed at the bottom of the screw rod and can be finely adjusted through a nut. And the light spot observation plate with scales is arranged below the column on the opposite side of the laser emitting device, so that the displacement of the light spot is convenient to observe and measure. In addition, the angle of a laser transmitter in the laser transmitting device can be adjusted so as to meet different measurement requirements. The convex lens is designed to be detachable, so that lenses with different focal lengths can be replaced according to actual requirements; through refraction and amplification of the laser, accurate measurement and visualization of beam deflection change are realized, and the device has the advantages of simple structure, convenient operation, accurate measurement and the like.

Various embodiments of the present invention are directed to a leak localization system configured to identify the presence of a leak within a pipe system and locate the same to a high degree of accuracy. At least one embodiment of such a leak localization system may comprise an emitting device configured in connection with an amplification device for the propagation of an acoustic pulse throughout the pipe. Distally disposed in relation to such emitting device may be at least one frequency sensing device configured to detect the frequency of the acoustic pulse, with the intent of determining any changes thereto. Such frequency sensing device(s) may be configured to generate sensor data which may used to localize an existing leak. Such sensor data may be communicated to a control center via an interconnected control system, wherein the localized leak may subsequently be communicated to the owner of the pipe for remediation.

Device for at least partially drying a printing material (02), comprising at least one dryer (351) with at least one energy emission device (352) having at least one effect area, wherein the at least one effect area is at least partially encompassed by at least one waveguide (362) and wherein the at least one waveguide (362) is configured with at least one inlet opening (372) and / or at least one outlet opening (375) and wherein the at least one energy emission device (352) comprises at least one radiation source (353) and wherein at least one amplification device (379) with at least one first effective surface (380) is attached to the at least one inlet opening (372) and / or the at least one outlet opening (375) of the at least one waveguide (362), characterized in thatthat the at least one amplification device (379) is arranged to increase the efficiency of the drying process and that the at least one amplification device (379) is arranged to project inwards into the at least one waveguide (362) by at least 5% of the depth (T362) of the at least one waveguide (362).

An optical amplification device with a replaceable lens group comprises a supporting unit, a lens bracket unit and a lens group unit. The glasses frame unit is arranged on the supporting unit and comprises two supporting arms and a mounting arm which extends in the left-right direction and is connected with the supporting arms. And the lens group unit comprises an objective lens group arranged on the support arm and an eyepiece group which can be mounted on the mounting arm in a replaceable manner and is opposite to the objective lens group at an interval in the front-back direction. The eyepiece group is provided with a first positioning piece which is detachably connected to the mounting arm; the lens group unit is used for constructing an image of an amplified object, and the image is reflected to an optical path of eyes of a user by the eyepiece group. According to the utility model, the eyepiece group can be replaced according to the use situation, and the use is convenient.

An autocorrelator and a pulse amplifying device including the same are provided. The autocorrelator includes a parabolic mirror configured to transmit and reflect pulse laser beam, a prism on one side of the parabolic mirror and configured to split the pulse laser beam, a first lower retro-reflector under the prism and provided at a first distance from the prism to reflect a portion of the pulse laser beam, a first upper retro-reflector on the prism, provided at a second distance different from the first distance from the prism, and configured to reflect another portion of the pulse laser beam to generate a first time difference between pulses of the pulse laser beam upper retro-reflector, and a first sensor under the parabolic mirror and configured to receive the pulse laser beam to detect a pulse width of the pulse laser beam.

The invention provides a laser amplification device, and relates to the technical field of optical fiber solid amplification, an amplification unit is packaged in a shell body, the shell body is provided with a light emitting window, and an amplified laser signal is emitted out of the shell body through the light emitting window. The amplification unit comprises a lens, a laser crystal, a pumping module and a soft-edge diaphragm which are arranged in sequence, pumping light emitted by the pumping module enters the laser crystal for pumping, and after a laser signal is modulated by the lens, enters the laser crystal for amplification, edge stray light is filtered out through the soft-edge diaphragm and is emitted as an amplified laser signal; after the laser beam is amplified by the laser crystal, stray light in the emergent laser beam is separated at the periphery of a light spot, and the laser beam is output after the peripheral stray light is filtered out by the soft-edge diaphragm, so that the emergent amplified laser signal has relatively high beam quality and amplification efficiency.

Light amplification devices using coupled multi-core optical fibers have a figure of merit that temporally varies, which makes it difficult to perform performance evaluation and to build a light transmission system using the same. Accordingly, a light amplification device of the present invention comprises: a band control means that controls the wavelength band of a light carrier to generate a band control light; and a band control light amplification means that has a plurality of light amplification media through which the band control light propagates, wherein the band control light amplification means amplifies the band control light in a coupled state in which the light propagating through the plurality of light amplification media induces a crosstalk and wherein the band control means controls the wavelength band such that the band control light having propagated through the plurality of light amplification media has a reduced coherence.

An endoscope (100), which belongs to the technical field of imaging devices. The endoscope comprises: an imaging device (10) for transmitting an image; a first image sensor (20) arranged on an image side of the imaging device (10), the first image sensor (20) being used for receiving light transmitted by the imaging device (10) and collecting the image; and a magnifying device (30), which comprises a photoelectric conversion device (31), an image display (32), a second image sensor (34), and a magnifying lens group (33), wherein the photoelectric conversion device (31) is used for converting the image collected by the first image sensor (20) into an electrical signal and transmitting same to the image display (32), the image display (32) is used for displaying the image, the image display (32) is arranged on an object side of the magnifying lens group (33), the second image sensor (34) is arranged on an image side of the magnifying lens group (33), and the magnifying lens group (33) is used for magnifying the image displayed by the image display (32) and projecting the magnified image onto the second image sensor (34). Therefore, the technical problem of image clarity degradation caused by using a software interpolation algorithm processing means to increase the pixel count of an acquired image can be solved.

The utility model provides a gain flattening filter device for a multi-core optical fiber light amplification device, which comprises an input multi-core optical fiber, an input lens, an optical isolation system, a gain flattening filter plate, an output lens and an output multi-core optical fiber which are sequentially arranged along the direction of an optical path, the light passes through an optical isolation system, a gain flattening filter and an output lens in sequence and then is input to a second fiber core; each beam of light passing through the gain flattening filter and the optical axis form an emergent included angle theta, and the optical isolation system is used for isolating return light of the gain flattening filter. A light beam enters the gain flattening filter plate at an angle to ensure that interface reflected light can deviate from an inlet end collimator, so that return loss is ensured, pre-stage amplification is prevented from being influenced, meanwhile, the interface reflected light of the gain flattening filter plate is isolated by using an optical isolation system in a matched manner, normal operation of a pre-stage amplification system is ensured, and the integration of the devices is utilized. And miniaturization packaging can be facilitated.

This invention relates to a method and system for super-resolution reconstruction of infrared images based on a micro-scanning device, belonging to the field of infrared image processing technology. The method includes: controlling a micro-scanning device to acquire multiple frames of low-resolution infrared images with sub-pixel displacement; constructing a high-resolution grid, projecting pixel values ​​onto the high-resolution grid through sub-pixel fusion, and accumulating weights to generate a reconstructed image and a weight matrix; generating a confidence map based on the weight matrix, calculating an adaptive sharpening coefficient based on the confidence map, and injecting high-frequency details into the reconstructed image to obtain a 2x super-resolution reconstructed image. Further, a dual-cascade fusion architecture is adopted, transforming the original multi-frame images into four sets of images, each reconstructed at 2x, and then performing a secondary fusion on the resulting intermediate images to achieve 4x super-resolution reconstruction. This invention can effectively suppress artifacts in non-ideal sampling areas, overcome the magnification limitations of fixed-magnification devices, and is independent of training data, exhibiting strong generalization ability.

The present application belongs to the technical field of laser energy amplification device, and particularly relates to a sheet amplification structure, which is used to solve the technical problem that the overall performance is insufficient and it is difficult to meet the high performance requirement under the large scale of several meters because the mechanical stiffness, lightweight, optical performance and working performance are limited after the existing sheet amplification structure unit forms a structure of several meters. The present application mainly comprises a sheet amplification clean box assembly, a sheet box assembly, a lamp box assembly and a transition box assembly; the sheet amplification clean box assembly is fixed on a laser hall support truss, and serves as a force-bearing main body and a positioning reference element of the sheet amplification structure unit; the sheet amplification clean box assembly is subjected to pickling surface treatment reaching a preset etching depth, stress relief treatment and surface treatment; the present application can realize high-precision control of the structure of several meters, and has the advantages of high-clean airtightness, electrical safety and stable optical performance, convenient maintenance of modular design, and the ability to adapt to the use requirement of a high-end sheet amplifier system.

The embodiment disclosed in the present specification and the accompanying drawings relates to a magnetic resonance imaging apparatus and an amplification apparatus. It is possible to suppress variation in transmission efficiency of an amplification circuit of an MRI apparatus without providing a high-power isolator between an output of the amplification circuit and an RF coil. A magnetic resonance imaging apparatus of an embodiment includes a static magnetic field magnet, an amplification circuit, a phase control circuit, and an RF coil. The static magnetic field magnet generates a static magnetic field in a bore. The amplification circuit amplifies an input signal. The phase control circuit controls a phase of a signal amplified by the amplification circuit based on a gain of the amplification circuit and a reference gain based on the signal input to the amplification circuit and the signal amplified by the amplification circuit. The RF coil transmits an RF pulse to a subject placed in the bore based on the signal amplified by the amplification circuit and having the phase controlled by the phase control circuit.

To provide a head-mounted optical magnifying device which is small in volume and easy to use. [Solution] The head-mounted optical magnifying device includes a head frame unit 1 including a front frame rod 11, a mirror frame unit 2 installed in front of the head frame unit 1 and including two support arms 21 installed at a distance from each other on the left and right, a mirror unit 3 including a first mirror assembly 31 installed on the two support arms 21 and a second mirror assembly 32 installed in front of the first mirror assembly 31, and a weight unit 4 including a top weight 41 installed on the front frame rod 11, the top weight 41 having a proximal end installed on the front frame rod 11 and a distal end opposite the proximal end, and the mirror unit 3 forms an optical path that reflects light from an object to the first mirror assembly 31, then from the first mirror assembly 31 to the second mirror assembly 32, and then from the second mirror assembly 32 to the user's eyes.

1. Name of the product in this design: Vision imaging device. 2. Purpose of this design: This design is intended to be used as a visual magnification device for people with low vision when reading, and the screen can be adjusted to landscape or portrait mode as needed. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention relates to a four-degree-of-freedom compliant precision positioning platform, comprising a base, a parallelogram mechanism, a first magnifying device, a second magnifying device, and a stage. The parallelogram mechanism is connected to the base via a first guiding mechanism, and its middle portion is connected to a motion platform. The first magnifying device includes a first magnifying mechanism, a connecting rod, and a rotating ring. The first magnifying mechanism is connected to the motion platform and also to the rotating ring via the connecting rod, which is inclined. The second magnifying device includes a second magnifying mechanism and a second guiding mechanism. The middle portion of the second magnifying mechanism is connected to the second guiding mechanism, and one end of the second magnifying mechanism and the second guiding mechanism are both connected to the rotating ring via a fixed rod. The other end of the second magnifying mechanism is connected to the stage. This application achieves four degrees of freedom of movement, providing great flexibility, significantly increasing the range of motion, and exhibiting good environmental interaction capabilities.

An optical amplification device includes: a polarization demultiplexing unit that separates an optical signal into a first polarized wave and a second polarized wave; a first optical amplification unit that amplifies the first polarized wave by using a first amplification medium; a second optical amplification unit that amplifies the second polarized wave by using a second amplification medium; a first band demultiplexing unit that demultiplexes the first polarized wave into a band component of the first polarized wave and a band component of first phase conjugate light; a second band demultiplexing unit that demultiplexes the second polarized wave into a band component of the second polarized wave and a band component of second phase conjugate light; a signal monitoring unit that measures a first optical power value of either the band component of the first polarized wave or the band component of the first phase conjugate light and a second optical power value of either the band component of the second polarized wave or the band component of the second phase conjugate light; an amplification gain control unit that controls an amplification band and gain of the first amplification medium and an amplification band and gain of the second amplification medium on the basis of the first optical power value and the second optical power value; and a polarization combination unit that multiplexes the band component of the first polarized wave and the band component of the second polarized wave not measured by the signal monitoring unit.

The invention relates to a head-mounted operation amplification device, the head-mounted operation amplification device comprises a head-mounted assembly, a camera and a display device, and the head-mounted assembly is used for being worn on the head of a user and is provided with an observation port; the camera is adjustably connected to the head-mounted component through the holder structure; the display device is connected to the head-mounted component and is electrically connected with the camera, so that a user can observe an image acquired by the camera at the observation port through the display device; wherein the holder structure is configured to drive the camera to move according to the head movement information of the user. According to the technical scheme, the head-mounted operation amplification device provided by the invention can reduce the influence of the head movement of an operator on the camera shooting quality in the operation process, improves the camera shooting quality, and has the advantage of meeting the diversified use requirements of complex operation scenes.

To provide an optical amplifier, an optical transmission system, and an optical amplification method that enable performance evaluation of an optical amplifier using a coupled multi-core optical fiber and construction of an optical transmission system using the same.SOLUTION: An optical amplifier 100 using a coupled multi-core optical fiber includes bandwidth control means 110 that controls the wavelength band of an optical carrier to generate bandwidth control light, and bandwidth control light amplification means 120 that has a plurality of optical amplification media through which the bandwidth control light propagates, and the bandwidth control light amplification means 120 amplifies the bandwidth control light in a coupled state in which the propagating light propagating through the plurality of optical amplification media crosstalks, and the bandwidth control means 110 controls the wavelength band so as to reduce the coherence of the bandwidth control light that has propagated through the plurality of optical amplification media.SELECTED DRAWING: Figure 1

A head-mounted magnifying device is suitable for being worn on the head of a user and is used for reflecting a magnified image of an object to the eyes of the user. The head-mounted amplification device comprises a head frame unit, a lens bracket unit, a lens group unit and a counterweight unit. The glasses frame unit is arranged on a front frame strip of the head frame unit and comprises two supporting arms. The lens group unit comprises an objective lens group and an eyepiece group which are arranged on the support arm. The lens group unit is used for constructing an optical path which is reflected by the object to the objective lens group, reflected by the objective lens group to the eyepiece group, and reflected by the eyepiece group to the eyes of the user. The balance weight unit is arranged on the head frame unit and comprises a head top bearing piece. The head top bearing piece is provided with a near end arranged on the front frame strip and a far end located on the head top of the user.

A method according to one embodiment of the present disclosure for controlling an optical amplification device (10) of a polarization diversity configuration comprises: detecting a first optical intensity of first polarized waves from a first amplifier (102) which is disposed between a polarization splitter (121) and a polarization combiner (122); detecting a second optical intensity of second polarized waves from a second amplifier (103) which is disposed between the polarization splitter (121) and the polarization combiner (122); detecting a third optical intensity of the first polarized waves from the polarization combiner (122) in a state where the second polarized waves are not input to the polarization combiner (122); detecting a fourth optical intensity of the second polarized waves from the polarization combiner (122) in a state where the first polarized waves are not input to the polarization combiner (122); and acquiring loss of the first polarized waves from the first amplifier (102) to the polarization combiner (122) and loss of the second polarized waves from the second amplifier (103) to the polarization combiner (122) on the basis of the first optical intensity, the second optical intensity, the third optical intensity, and the fourth optical intensity.

The invention relates to the technical field of building material construction detection, in particular to a floor detection device and method. According to the invention, wave conduction signals can be amplified through the fluctuation signal amplification device, and data can be measured more accurately and easily. According to the method, a fluctuation signal amplification device is arranged for the situation that wave signals are small and difficult to detect possibly under the actual working condition, wave conduction signals are amplified through the device, and therefore data can be measured more accurately and easily, and the detection accuracy is improved. The problems of high subjectivity, limited recognition capability, low large-area detection efficiency and the like of a traditional floor hollowing knocking method are solved.

The invention provides a water-cooling femtosecond laser regenerative amplification device and an amplification method thereof. The two laser crystals are used, specific laser crystal materials are selected, heat loads on the laser crystals can be reduced, and the problem that the laser is unstable due to heat distribution changes in the laser crystals caused by pump laser energy changes is solved by designing the resonant cavity; the laser crystal only needs to be cooled by a water cooling machine; and more convenient laser import and export are obtained by using the double Pockels cells.

The application relates to the technical field of laser processing, and particularly provides a laser pulse shaping device, a laser device and a laser pulse shaping method.The device comprises a first connecting piece, a second connecting piece and a light blocking piece; the first connecting piece is configured to connect a pre-amplification device and output first light; the first light comprises first laser pulses and continuous light; the second connecting piece is arranged at intervals from the first connecting piece; the second connecting piece is configured to connect a main amplification device and input second laser pulses to the main amplification device; the pulse width of the second laser pulses is smaller than that of the first laser pulses; the light blocking piece is arranged between the first connecting piece and the second connecting piece; the light blocking piece is provided with a light blocking part, the light blocking piece can rotate at a target frequency and a target time delay relative to the first light, the light blocking part blocks the continuous light and shapes the first laser pulses to obtain the second laser pulses. The application shapes and blocks the continuous light of the laser through the light blocking piece, effectively improves the peak power, and improves the processing quality and efficiency.

To incorporate multiple detection functions into a recording device, a separate sensor is required for each detection function. As the number of detection functions increases, the cost and size of the recording device also increase. [Solution] A recording device comprising a light-receiving unit equipped with a plurality of light-receiving elements, an aperture for allowing specularly reflected light and diffusely reflected light from a light-emitting unit reflected by an object to pass to the light-receiving unit, and an amplification means for amplifying the signal from the light-receiving elements of the light-receiving unit, wherein the device has a selection means for selecting at least one of the plurality of light-receiving elements, and controls the selection of a light-receiving element by the selection means and the connection between the light-receiving element selected by the selection means and the amplification means to switch according to the detection mode for detecting an object.

The magnifying device for prescription bottles is an optical device. The magnifying device for prescription bottles includes an ellipsoid structure, a lens structure, and a medical bottle. The medical bottle inserts into the ellipsoid structure. The lens structure is formed in the ellipsoid structure. The lens structure magnifies the bottle label of the medical bottle.

The present application relates to an image magnification device and method with super-resolution magnification mechanism. The method comprises: receiving an input image by a magnification module of a neural network system, performing image magnification, and generating a magnified image; receiving the input image by a front-end convolution path included in a neural network module of the neural network system to perform convolution operation and generate a front-end operation output result; receiving the front-end operation output result by a plurality of branch convolution paths included in the neural network module respectively to perform convolution operation and generate a plurality of sets of output image residuals; weighting and mixing the output image residuals by a mixing module included in the neural network module according to weight settings related to a plurality of image regions of the input image to generate a set of final output image residuals; and enhancing the magnified image according to the set of final output image residuals by an enhancement module to generate an output magnified image.

An optical magnification device (1) for an electronic device (2), the device comprising a folding structure (3) and a support structure (6) for connecting the folding structure (3) to the electronic device (2) such that the focal plane of the optical magnification device (1) is located within the electronic device (2). The folding structure (3) comprises a reflecting system for forming a folded optical path (O), the reflecting system comprising a primary reflecting element (4) and a secondary reflecting element (5). The primary reflecting element (4) comprises a concave reflecting surface and the secondary reflecting element (5) comprises a planar reflecting surface. The distance between the primary reflecting element (4) and the secondary reflecting element (5) can be up to 450 mm and / or the magnification provided by the optical magnification device can exceed x100.

The application discloses a full-fiber structure laser amplifier of a multi-core optical fiber, relates to the technical field of optical systems, and comprises an injection optical fiber, a beam splitting waveguide, a phase controller, an amplification device, a beam combining waveguide and an end cap. The injection optical fiber is used for injecting input laser into the beam splitting waveguide to form a beam splitting laser array. The beam splitting laser array is phase controlled by the phase controller and then transmitted to the amplification device for amplification processing. The amplification device outputs amplified amplification laser array to the beam combining waveguide. The beam combining waveguide combines the amplification laser array to obtain beam combining laser. The beam combining laser is expanded by the end cap to generate output laser. The scheme provided by the application can improve the stability of the laser amplification process.