143 results about "Magnification device" patented technology

The embodiment of the invention discloses a light amplification device and a related system and method. The light amplification device comprises an optical fiber isolator, a pump light source, a beam combiner and an EYDF. A large amount of pump light in the EYDF cannot be completely absorbed by ytterbium ions, and ytterbium-band ASE light generated by the ytterbium ions can be further amplified by the pump light, so that effective amplification of signal light by the pump light is limited by the ytterbium-band ASE light. According to the embodiment of the invention, the optical fiber isolator in the light amplification device is modified, the optical fiber isolator can reflect the ytterbium-band ASE light as an auxiliary signal back to the EYDF, the excited amplification of the auxiliary signal and the absorption of the auxiliary signal by the EYDF can effectively inhibit the EYDF from generating the ytterbium-band ASE light, the self-oscillation and self-pulsation of the ytterbium-band ASE light are avoided, and the reliability of the light amplification device is improved. Therefore, the pumping conversion efficiency and the stability of the output power are improved. Meanwhile, the optical amplification device provided by the embodiment of the invention can effectively inhibit the EYDF from generating the ytterbium-band ASE light without adding an additional device, and is beneficial to reducing the cost and the power consumption.

Disclosed is a method and standard module for amplifying pulsed power. The key point of the technical solution is as follows: a method for amplifying pulsed power is formed by means of the joint action of a LASER mode of a crystal medium, a carrier multiplication amplification mode of a semiconductor medium, and a plasma breakdown amplification mode of a gas medium. Electric power which is amplified is converted into optical power first, the optical power is amplified again, and the amplified optical power is converted into electric power again by a photoelectric conversion and amplification device. A gas switch is triggered based on a photoconductive switch to generate a timing-synchronized high-power electric pulse. The high-power electric pulse may be directly outputted or distributed in multiple channels to obtain multiple timing-synchronized trigger signals. In combination with pulse charge of a capacitor, multiple timing-synchronized high-power electric pulses are outputted.

An apparatus and method for detecting substances and microorganisms, the apparatus comprising at least one sample reservoir having a sample inlet and a sample outlet for containing a sample consisting of a liquid, a substance and a microorganism; at least one liquid tube connected to the sample outlet of the sample reservoir, where the liquid tube includes a plurality of microscope slides embedded therein, a plurality of image magnification devices located above or below the microscope slides, and a light source for emitting the sample on the plurality of microscope slides; and a control unit having computer software and algorithm programs for managing the operation of the apparatus and identifying and classifying the samples, where the control unit is in electrical communication with the at least one sample reservoir and the at least one liquid tube.

The present application relates to the technical field of wiring harness self-inspection, and in particular to a wiring harness self-inspection amplifying device. The wiring harness self-inspection amplifying device comprises a main body, wherein a base is provided at the bottom of the main body, a support is fixedly mounted on the outer wall of the base at the rear side, a lens frame is provided at the top of the support, and a connection base is mounted on the upper part of the lens frame. A magnifying lens with a high-power lens mounted thereon is mounted in a fixing frame, the fixing frame is further slidably mounted in a slide rail by means of a slider, a toothing mounted on an outer ring of the fixing frame and a gear on a roller mesh with each other, when an operator inspects a wiring harness, by rotating the roller with his / her finger, the gear rotates with the roller, then the fixing frame moves in a circular motion along the slide rail by means of the slider, and at this moment, an internal spring deforms, such that the positions of the magnifying lens and the high-power lens relative to a human body are adjusted by means of rotating the roller, thereby meeting requirements of the operator for carrying out observations with a magnifying lens having different magnifications, and improving the efficiency of wiring harness inspection.

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.

The invention provides an optical fiber defect detection system and method, and the system comprises an optical fiber fixing groove which is used for fixing the two ends of a to-be-detected optical fiber after the to-be-detected optical fiber passes through refractive index matching oil in an optical amplification device; the broadband light source is arranged on the light inlet side of the optical amplification device and is used for emitting detection light to the optical amplification device; the visible light source is connected with one end of the to-be-measured fiber and used for emitting visible light to the to-be-measured fiber; the optical amplification device is used for moving along the axis direction of the optical fiber to be detected and amplifying the detection light; after the detection light passes through the refractive index matching oil in the optical amplification device, the detection light is emitted to the optical imaging device from the light emitting side of the optical amplification device; and the optical imaging device is used for generating a corresponding optical imaging result according to the detection light emitted by the light emitting side of the optical amplification device and the visible light passing through the to-be-detected optical fiber so as to obtain defect detection information of the to-be-detected optical fiber. According to the invention, the accuracy and efficiency of optical fiber defect detection are improved.

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).

The utility model discloses an amplifying device for skin examination, which belongs to the field of diagnostic devices, is used for skin disease examination of arms, and comprises a bottom plate, a pillow is placed on the bottom plate, a top plate is arranged above the bottom plate in parallel, the top plate and the bottom plate move relatively through a connecting rod structure, and a top plate inserting part is arranged on one side, facing the pillow, of the top plate. A shell telescopic part is inserted in the top plate inserting part, the shell telescopic part and the light supplementing lamp shell are fixed into a whole, a magnifying lens is arranged in the light supplementing lamp shell, a plurality of light supplementing lamps are distributed at the bottom of the light supplementing lamp shell around the magnifying lens, and a driving circuit and a power supply unit of the light supplementing lamps are arranged in the light supplementing lamp shell and / or the shell telescopic part. In the process of examining the tiny skin lesion at the arm position, the suspicious lesion part can be carefully observed through the light supplementing device, the two hands can be liberated by avoiding holding a magnifying lens by hand, and the tiny skin lesion tissue at the arm position can be sufficiently examined.

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.

The invention discloses a discontinuous short pulse laser incoherent polarization time sequence synthesis device, and relates to the technical field of laser synthesis. The device comprises a beam combiner, and the beam combiner is used for combining multiple paths of lasers with mutually vertical polarization states of a main laser beam and an auxiliary laser beam into coaxially propagating light beams, so that the space structures of the two laser beams in a near field and a far field are completely overlapped, and the directivity is the same. The polarization state of the synthesized laser is consistent, and light amplification can be realized through the same amplifier; the device is suitable for synthesizing sub-laser with a wide repetition frequency range and supports repetition frequencies from several hertz to hundreds of hertz; in addition, the device can synthesize three or more paths of laser, the repetition frequency of the synthesized laser is the sum of the repetition frequencies of all sub-lasers, and the device has high expansibility and flexibility and is suitable for various complex laser application scenes.

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 invention discloses a fluid characteristic detection system and detection method based on a photonic crystal, and belongs to the technical field of fluid detection. The system comprises a signal generation device, a signal amplification device, a photonic crystal fluid characteristic detection device, a signal acquisition and processing module and an upper computer which are connected in sequence. Based on the system, the characteristic that efficient regulation and control of elastic waves are achieved through photonic crystal band gaps and defects is utilized, defect units are introduced into periodic photonic crystals, high-sensitivity and high-resolution detection of multiple parameters such as density, viscosity and salinity of fluid to be detected is achieved, and the system has the advantages of being wide in frequency regulation range, rich in data dimension and the like; meanwhile, a photonic crystal fluid characteristic detection device in the system has replaceability, the number of detection channels and photonic crystal structures can be selected in a targeted mode according to detection requirements, the detection efficiency is improved, and interference is reduced. The detection system and method disclosed by the invention can be used for detecting various characteristics of liquid and gas, are also applicable to gas-liquid mixed media, can be further integrated with other photoelectric and micro-fluidic technologies to form a multifunctional sensor, and are widely applied to the fields of biomedical treatment, environmental monitoring, chemical production and the like.

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.

The present invention discloses a high-precision device and method for measuring particle size in a wide range with dual fields of view for high-speed cloud and fog fields, belonging to the field of measuring liquid water content in cloud and fog flow fields. Based on an optical magnification device, the present invention synchronously acquires visualized images of droplets in the same field of view at different magnifications. It utilizes a ResNet neural network-GAN network dual-network coupled recognition to achieve high-precision measurement of droplet size in high-speed cloud and fog fields, solving the problems of poor time responsiveness, low measurement accuracy, and low reliability of backtracking algorithms associated with traditional wind tunnel cloud and fog field parameter measurement devices. Furthermore, the optical magnification device is used to capture optical images, which can simultaneously meet the testing requirements for droplet size and a large field of view. Furthermore, the ResNet neural network-GAN network dual-network coupled recognition is used to learn calibration data and construct correlations between droplet images at different magnifications, fully extracting potential features from the image and improving test accuracy.

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.

The invention belongs to the field of precision measurement, and particularly discloses a micro torsion balance effect amplification device and method based on resonance regulation and control. According to the invention, through resonance coupling of the target micro torsion balance and the auxiliary micro torsion balance, response can be carried out in a wider frequency range, so that the measurement precision of the system on weak signals is improved; due to the resonance coupling effect of the two, the external noise cannot be completely matched with the resonance frequency of the system, so that the interference and influence of the environmental noise are greatly reduced. The method is very important for detecting extremely small weak signals of dark substances and the like, and the signal-to-noise ratio of measurement can be effectively improved. By accurately controlling the laser torque to act on the micro torsion balance, the mechanical contact and friction effects are reduced, compared with a traditional method, the method has extremely high potential sensitivity, and the measurement precision and stability are improved.

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