6851 results about "Light filter" patented technology

The invention belongs to the technical field of welding quality detection, and particularly relates to a visual image-based welding seam defect detection method, which comprises the steps of image acquisition, image preprocessing, data analysis, data output, defect classification and decision making, system closed-loop optimization and the like. According to the method, by synchronously collecting two-dimensional images, three-dimensional shapes and heat distribution data of metal welding seams and adopting a polarization filter and annular LED light source combination scheme, multi-dimensional conjoint analysis of physical defects and thermodynamic characteristics is achieved, basic characteristic data are extracted through primary processing, quantifiable defect coefficient indexes are generated through secondary processing, and the detection accuracy is improved. And finally, generating a comprehensive defect index through a multi-modal fusion algorithm, constructing a well-arranged intelligent analysis decision chain, and establishing a self-evolution mechanism of data acquisition-analysis decision-model iteration through real-time interaction of a detection result and an algorithm model. The system can continuously optimize the detection threshold value and the characteristic weight parameter according to the actual working condition of the production line, and the continuous improvement of the detection sensitivity is kept.

The invention relates to the technical field of defect detection, and discloses an integrated circuit mask plate defect multispectral cooperative detection method, which comprises the following steps: carrying out preliminary scanning on a mask plate by using a multispectral camera, selecting an optimal wave band combination, switching to a target wave band through a liquid crystal adjustable optical filter, and obtaining a high-confidence multispectral image; the optical path offset is calculated through the linear relation, the deflection angle of the micro-mirror is dynamically adjusted, and images are collected for the second time after imaging offset is compensated; image filtering and registration are completed in the FPGA, and a high-contrast fusion image is generated; if the confidence coefficient is insufficient, triggering a wave band reselection mechanism to recheck; dynamically optimizing a defect type-spectrum mapping table based on real-time detection data; when the environment fluctuation exceeds the limit, an anti-interference mode is automatically switched, and micro-mirror calibration is triggered; and monitoring performance degradation of the optical assembly in real time, switching redundant optical paths, cleaning damaged parts, triggering manual reinspection when conflicts occur, and finally generating a visual report. According to the invention, the detection accuracy of the integrated circuit mask plate can be improved.

The invention discloses a package defect elimination method based on visual inspection, and relates to the technical field of image processing and computer vision, and the method comprises the following steps: setting a polarized light source with a fixed angle on a package production line, and uniformly illuminating a target package area to enable the incident light polarization direction and the package surface reflection direction to form a deviation angle; an industrial camera provided with a polarization filter is used for carrying out image collection on a packaging target area, and the polarization direction of the filter is perpendicular to the polarization direction of a light source so as to restrain reflection interference to the maximum extent. Reflection interference is eliminated through polarized light, and the image quality is improved; by combining a neural network and feature fusion scoring, the defect recognition accuracy and adaptability are improved; a closed-loop elimination control and data tracing mechanism is introduced, the elimination precision is guaranteed, quality responsibility investigation is supported, and the intelligence and reliability of the packaging defect detection and elimination system are integrally improved.

The invention relates to the technical field of optical lens defect detection, and particularly discloses an optical lens laser-induced damage on-line detection method and system, a linear polarizer and a narrow-band filter are connected in series in a detection laser light path, non-target polarized light is filtered through polarization direction matching, meanwhile, interference of the environment and scattered light is inhibited through the narrow-band filter, and the laser-induced damage on-line detection system is obtained. According to the method, external source noise such as ambient light and non-target polarized light is reduced through polarization matching and narrow-band filtering, randomness of speckle noise is offset through multi-angle collection and signal fusion in a visual detection mode, exposure is dynamically adjusted, an image is fused to improve the signal-to-noise ratio, noise and real signals are decoupled through self-supervised learning, and the real-time performance of the system is improved. Dust interference is removed in combination with morphological operation; a deep learning reasoning model enhances the damage identification capability in a noise environment, defocusing blur caused by mechanical vibration is eliminated through phase conjugate correction, and the influence of photoelectric conversion noise, dust interference and the like on the detection efficiency and accuracy is remarkably reduced through multi-link linkage.

The invention relates to the technical field of gas detection, and particularly discloses an industrial gas concentration detection system, which is used for solving the problems of signal attenuation, low detection precision, high cost and poor stability caused by environmental interference and multi-laser beam combination since a correlation type optical machine adopts a single-path and fixed compensation method and cannot measure multi-component gas at the same time. Comprising a transmitting end and a receiving end, a laser is arranged in the transmitting end, a red light generator is arranged in the transmitting end, an off-axis parabolic mirror is arranged on one side of the transmitting end, an optical filter is arranged above the off-axis parabolic mirror, a photoelectric detector is arranged above the optical filter, a first window is arranged on one side of the off-axis parabolic mirror, a second window is packaged in the receiving end, and a full-angle reflector is arranged on one side of the second window. The photoelectric detector is sequentially connected with a data inversion analysis module, a dynamic environment compensation module and an environment sensing module; by optimizing optical design and dynamic environment compensation, multi-gas concentration detection is realized.

The embodiment of the invention provides a system for measuring a plane vector magnetic field, and the system comprises an optical path module which is provided with a laser, an optical fiber circulator, a long-pass optical filter and a photoelectric detector, a microwave module which is provided with a microwave source, a microwave amplifier and a microwave isolator, a signal processing module which is provided with a lock-in amplifier, and a magnetic generation device. The integration table device comprises a diamond NV color center sensor, a microwave antenna and two pairs of magnetic flux concentrators; during working, laser emitted by the laser device is output to the optical fiber circulator and then enters the diamond NV color center sensor so as to excite the diamond NV color center, and meanwhile, modulated microwaves which are output by the microwave source, are linearly amplified by the microwave amplifier and are transmitted again by the microwave isolator are used for regulating and controlling the electron spin state of the diamond NV color center so as to excite the diamond NV color center. The diamond NV color center outputs fluorescence with microwave regulation and control, and the fluorescence carries information of a plane vector magnetic field. The system can realize a high-isolation and high-sensitivity plane vector magnetic field measurement method.

The invention discloses an inter-satellite laser communication load on-orbit receiving and transmitting optical axis coaxial self-calibration device and method, and belongs to the field of inter-satellite laser communication. Comprising a cube-corner prism, a coarse pointing mechanism, a beam expanding group lens, a color separation sheet, a fast reflecting mirror, a communication signal light emitting system, an optical filter, a light splitting sheet, an optical filter, a signal focusing mirror, a communication signal detector, a tracking focusing mirror and a tracking signal detector. Under the condition that beacon light is not used and a laser source is not additionally added, communication signal light is directly adopted to calculate and compensate the offset between the receiving optical axis and the transmitting optical axis through the cube-corner prism, the on-orbit alignment capture time is greatly shortened, and the cost, power consumption, size and weight of a self-calibration device are reduced.

The invention provides a photosensitive resin composition, a color filter and a manufacturing method thereof, and a liquid crystal display device. The photosensitive resin composition includes a colorant (A) including a triphenylmethane colorant (A-1), an alkali-soluble resin (B), a compound (C) having an ethylenically unsaturated group, a photoinitiator (D), and a solvent (E), in which in an electron spin resonance spectrogram of the photosensitive resin composition, a g value corresponding to a characteristic peak with the maximum intensity is 1.8000-2.0400.

The invention provides a fluorescence imaging method and device based on light source intensity adjustment and a storage medium, and the method comprises the steps: in a PDD fluorescence mode, when a blue light source is turned on, after blue light is reflected by an observation tissue, filtering a spectrum of a green fluorescence wave band generated by excitation of riboflavin through a notch filter; in the photodynamic white light image mode, red light, green light and blue light emitted by the red light source, the green light source and the blue light source are adjusted through the light compensation module according to preset light power, so that the light is reflected by observation tissue and then passes through the notch filter to be white light, and the light compensation module controls the light power output by the red light source and the light power output by the blue light source to be consistent. The green light output power is higher than the light power of the red light or blue light. By combining the notch filter and the light compensation module, the problem that in the PDD fluorescence imaging process, green fluorescence generated by excitation of riboflavin affects the contrast ratio of PDD fluorescence imaging is solved, and meanwhile color rendition of traditional white light imaging can be guaranteed.

The invention discloses a hot air type qPCR instrument, a multi-channel detection optical system and a detection method, and relates to the field of molecular biological detection. The problems that an optical detection system adopted by an existing qPCR instrument mostly depends on a single-channel or double-channel design, sample hole sites need to be switched one by one and detected in a time-sharing mode in the detection process, namely, the efficiency is low in the face of a high-throughput requirement scene are solved, and the system combines multiple LED light sources with an optical filter to generate excitation wavelengths to form a light source module; after the multi-stage dichroscope is utilized to form a light combination module, the light combination module is transmitted to a reaction hole through one branch of the forked optical fiber to excite fluorescent substances, a fluorescent signal is collected through a common end of the forked optical fiber, the other branch of the forked optical fiber outputs a fluorescent signal, and the fluorescent signal is split by the reflection grating to form a light splitting module. And the array CMOS is combined with a spectrum unmixing algorithm to form a detection module for synchronous receiving, so that multi-channel simultaneous high-sensitivity detection is realized. The method is also suitable for the field of multi-pathogen detection and gene expression analysis.

The invention relates to a backside illuminated image sensor and a manufacturing method thereof, and relates to the technical field of integrated circuits. The manufacturing method comprises the steps that a substrate is provided, the substrate comprises a first surface and a second surface which are opposite, a first isolation structure is formed in the substrate, and the first isolation structure extends from the first surface to the second surface; second isolation structures and metal grids are formed, the second isolation structures correspond to the first isolation structures and are arranged on the first surface, the second isolation structures are arranged on the first surface at intervals, and the second isolation structures and the metal grids are sequentially arranged in the direction away from the first surface; forming photodiodes between the second isolation structures, wherein the photodiodes and the second isolation structures are alternately arranged on the first surface; forming a light filtering element on one side, far away from the substrate, of the photodiode, wherein the light filtering element is located between the adjacent metal grids; according to the invention, the crosstalk problem of the backside illuminated image sensor is reduced.

The invention provides a fluorescence imaging method suitable for bladder photodynamic diagnosis, and the method comprises the following steps: in a PDD fluorescence mode, when a blue light source is turned on, blue light is reflected by observation tissues, and a spectrum of a green fluorescence wave band generated by excitation of riboflavin is filtered through a notch filter so as to reduce interference of green fluorescence on PDD fluorescence contrast; in the photodynamic white light image mode, when the red light source, the green light source and the blue light source are turned on at the same time, after light is reflected by observation tissue, green fluorescence wave band spectrums are absorbed through the notch filter, illumination light of the green fluorescence wave band is enhanced through the light compensation module, and the light passing through the notch filter is white light. By combining the notch filter and the light compensation module, the problem that in the PDD fluorescence imaging process, green fluorescence generated by excitation of riboflavin affects the contrast ratio of PDD fluorescence imaging is solved, and meanwhile color rendition of white light imaging can be guaranteed.

A pixel array includes photodiodes and a color filter array. A first fraction of the photodiodes is included in CIS pixels and a second fraction of the photodiodes is included in hybrid CIS / EVS pixels. The photodiodes are arranged into groupings. The color filter array includes first, second, and third color filters arranged in a mosaic pattern over the photodiodes. Each grouping includes a plurality of subgroupings including a first subgrouping disposed under at least one of the first color filters, a second subgrouping disposed under at least one of the second color filters, and a third subgrouping disposed under at least one of the third color filters. Each of the first, second, and third subgroupings includes at least one CIS pixel, and at least one of the first subgrouping of photodiodes further includes at least one hybrid CIS / EVS pixel disposed under at least one of the first color filters.

The invention discloses a color analyzer which is used for filtering stray light entering a detection path and improving the accuracy of a measurement result. The analyzer comprises a lens, an analyzer main body and a cut-off filter, the lens is connected with the analyzer main body, and the analyzer main body is used for detecting a light beam transmitted from the lens; a beam splitting assembly, a light filtering assembly and an analysis module are sequentially arranged in the analyzer body in the light beam transmission direction, and three light filtering positions are arranged in the analyzer body. The three light filtering positions are located between the lens and the beam splitting assembly, between the beam splitting assembly and the light filtering assembly and between the light filtering assembly and the analysis module respectively, and the cut-off light filter is arranged at any light filtering position or arranged in the lens. When the light beam penetrates through the cut-off filter, stray light in the light beam is filtered out by the cut-off filter, and the stray light is one or more kinds of invisible light.

The present invention discloses a laser positioning method and a robot based on image information. The execution subject of the laser positioning method is a robot equipped with a structured light module. The structured light module includes a line laser transmitter and a camera without an infrared filter, so that the imaging information of infrared light and the imaging information of visible light are retained in the image captured by the camera. The laser positioning method includes the following steps: the robot controls the camera to capture an image of light reflected back from the surface of an object to be measured by the line laser emitted by the line laser transmitter, and detects the brightness and darkness type of the image captured by the camera. When the robot detects that the current frame image captured by the camera is a bright frame image, the robot searches for the position of the line laser from the current frame image by executing an inter-frame tracking algorithm. When the robot detects that the current frame image captured by the camera is a dark frame image, the robot extracts the position of the line laser from the current frame image by executing a brightness centroid algorithm.

The invention discloses an electronic paper display panel, a control method of the electronic paper display panel and a display device, and mainly relates to the technical field of display. An electrophoretic reflection layer is arranged on an array substrate and located on the side, facing a filtering substrate, of the array substrate; the controllable light reflection layer, the color filter layer and the common electrode layer are sequentially arranged on the side, facing the array substrate, of the filter substrate. The color filter layer comprises a plurality of sub color resistors, the sub color resistors are arranged at intervals, a color resistor gap is defined between every two adjacent sub color resistors, and the projection of the controllable light reflection layer is located on the color resistor gaps; the common electrode layer can control light irradiated to the controllable light reflecting layer to be reflected to the side, away from the light filtering substrate, of the color light filtering layer or to the side, away from the color light filtering layer, of the light filtering substrate, and through the design, the brightness of the electronic paper display panel can be improved when the light intensity of the external environment is weak; when the light intensity of the external environment is high, the display problem of bright lines is avoided.

The invention belongs to the technical field of semiconductors, and discloses an image sensor and a manufacturing method thereof. The photoelectric sensing areas are arranged on the substrate, the isolation structures are arranged between the adjacent photoelectric sensing areas on the substrate, and each isolation structure is a grating structure which is formed by stacking a plurality of material layers and has a light blocking effect; the light filtering element is arranged on the photoelectric sensing area; and the grating is arranged on the isolation structure. The imaging performance of the image sensor can be effectively improved.

The invention discloses a metal processing detection system and method based on computer vision, and relates to the technical field of defect detection.Rotatable polarization filters are installed in front of a lens of a vision sensor, the polarization filters are arranged at four angles respectively, and four sets of polarization images are collected; calculating the polarization degree of each pixel point on the surface during metal processing by using the gray values of the four groups of polarization images, setting a polarization region interval, and dividing a metal surface reflection region into a specular reflection region and a diffuse reflection region; acquiring images of different wavebands by using a multispectral vision sensor, and constructing a multispectral image set; for the same wave band, the images of different exposure times are synthesized to obtain an HDR high dynamic range image; setting a weight for the HDR image of each wave band, and combining the weighting of the HDR image and the suppression of the polarization degree to carry out multispectral image fusion so as to obtain a final image; and a gray threshold value and an area threshold value are respectively calculated through the average value and the standard deviation, and the metal processing defects are judged by using the two threshold values.

The invention relates to the technical field of color sorters, and discloses a color sorter system based on double hyperspectral cameras, which comprises a hopper, a vibration feeder, a crawler belt conveyor belt, a hyperspectral camera detection module, an air injection system, a finished product bin and a waste bin, wherein the hopper is used for inputting materials; the vibration feeder is used for uniformly conveying materials to the crawler belt conveyor belt; the crawler belt conveyor belt is used for receiving materials conveyed by the vibration feeder and continuously conveying the materials forwards; and the hyperspectral camera detection module is used for carrying out image acquisition on the material under a uniform illumination condition. Compared with a color selector based on an RGB camera, the color selector provided by the invention has more accurate spectral characteristic representation, can obtain more and more comprehensive spectral information data and has more application scenes and development spaces, and compared with a color selector based on a near-infrared camera, the color selector provided by the invention has fewer cameras and optical filters, the structure is simpler, and the wave band selection is more convenient.

The invention discloses an underwater active polarization imaging device based on a liquid crystal phase retarder, which comprises a CCD (Charge Coupled Device) camera, an optical filter, a beam splitter prism, the liquid crystal phase retarder, a polarizer, a front lens and an annular active light source which are sequentially arranged on the same straight line, and the imaging device is arranged in front of a shot target at an object distance capable of clearly imaging; wherein the rotating table, the liquid crystal controllable phase delayer, the annular active light source and the CCD industrial camera are connected to a computer for control and image processing, and the underwater active polarization imaging device calculates a Stokes vector of a shot target by shooting a plurality of polarization images with different polarization angles and polarization states; according to the method, the image of the target object is acquired through the polarization information of the object, the influence of scattering absorption of underwater impurities can be eliminated, and an underwater high-definition image is presented through relative algorithm optimization.

The invention discloses a laser cutting head coaxial visual inspection image processing method and device, and the method comprises the steps: a static processing method, fixing a laser cutting head and a workpiece, dotting to form a static grayscale image, selecting a bright spot and a nozzle bright ring, extracting a first bright spot center point and a nozzle first contour center point, and adjusting the cutting head until the bright spot is coaxial with a nozzle. Generating a reference circular frame area and an annular frame area; the dynamic processing method comprises the following steps: collecting a dynamic gray level image, detecting a second bright spot center point and a second contour center point in real time, and ensuring the coaxiality of a dynamic cutting process; the device is composed of an imaging module, a light filtering module, a beam combining module, a focusing module and an upper computer, all the modules are connected in sequence, the upper computer is electrically connected with a camera, and the functions of image collecting and processing and cutting head adjusting are achieved.

The invention provides a method for detecting multi-gas concentration in exhaust gas and a gas filtering system, and relates to the technical field of gas detection. The method comprises the following steps: setting components and concentration of mixed gas according to characteristics of target detection gas, and injecting the mixed gas into a light filtering channel to eliminate illumination interference of a red light wave band so as to obtain first illumination; after a user detection instruction is obtained, the gas inlet valve is opened, the exhaust gas enters the detection chamber, the exhaust gas entering the detection chamber is detected through the gas automatic identification module, and the concentration of multiple target detection gases is estimated. Determining the target detection gas with the highest concentration, adjusting an optical filter to filter the first illumination to obtain second illumination, enabling the second illumination to penetrate through the exhaust gas to obtain third illumination, determining the concentration of the target detection gas according to the third illumination and the second illumination, and displaying the concentration on a screen in real time. In a complex gas emission environment, the influence of interference gas is eliminated, and the concentration of target detection gas is accurately detected.

The invention discloses a high-power intermediate infrared fiber laser. The fiber laser is composed of a first pumping source, a second pumping source, a pumping beam combiner, a high-reflectivity fiber grating, a low erbium-doped fluoride fiber, a low-reflectivity fiber grating, a cladding light filter, a fiber end cap, a collimating lens and a dichroscope. The mode of combining erbium ion ground state transition achieved through fiber core pumping and erbium ion excited state transition achieved through cladding pumping is adopted, mid-infrared laser upper energy level particle number accumulation is obtained, and meanwhile laser lower energy level particles are effectively consumed through the cladding pumping transition process. And the population inversion state of the laser system is kept, and the particle circulation rate and the quantum efficiency from the pump light to the intermediate infrared laser are improved, so that the generation of high-power and high-efficiency intermediate infrared fiber laser is realized.

The invention belongs to the technical field of quantum and biological imaging, and particularly relates to an oral cavity biological imaging device based on a quantum entanglement phase. According to the invention, energy-time entangled photon pairs are generated by using a continuous laser pumping nonlinear waveguide, and signal photons are separated from idler frequency photons through an optical filter; a to-be-measured oral biological sample is placed in the unbalanced interferometer, two interference curves of different phases are obtained by measuring Franson interference between signal photons and idler frequency photons when the biological sample exists or not, and the entanglement phase difference of the two interference curves is calculated. The position of the sample to be detected is changed through the two-dimensional scanning platform, Franson interference is executed, and entanglement phase differences of different positions are obtained. And combining the phase differences to obtain a quantum phase image of the sample. According to the invention, high-precision imaging of a microstructure can be realized; according to the invention, each component can be from a mature photoelectric device, the device has the advantages of miniaturization, integration, practicability and the like, and a new way is opened up for quantum precision measurement and life science development.

A display device includes a display area in which a plurality of first pixels and second pixels including a plurality of pixel electrodes spaced apart from each other are disposed, a first light blocking layer disposed in the display area and including a plurality of holes disposed to overlap the pixel electrodes, a plurality of color filters disposed on the first light blocking layer to correspond to the holes, and a second light blocking layer disposed on the color filter and disposed to correspond to the pixel electrodes of the second pixels, the first light blocking layer including a plurality of divided portions disposed around the holes of the second pixel and penetrating the first light blocking layer, and the color filters disposed in the second pixel and disposed to cover the hole of the first light blocking layer, where the divided portions are disposed to correspond to the holes.

An optical reception system according to an embodiment of the present invention may comprise: first to fifth lenses arranged along an optical axis from an object toward a sensing unit; and an optical filter spaced apart from the sensing unit and disposed between the third lens and the fourth lens, wherein the first to fifth lenses include aspherical lenses and spherical lenses, the number of which is greater than the number of the aspherical lenses, the optical axis distance from the optical filter to the surface of the sensing unit is D1, the optical axis distance from the sensor-side surface of the fifth lens closest to the sensing unit to the surface of the sensing unit is BFL and satisfies a mathematical expression: BFL < D1, the effective diameter of the first lens is larger than the effective diameters of the remaining lenses, and the effective diameter of the fourth lens is smaller than the effective diameter of the first lens.

The invention discloses a color temperature correction method and device of a liquid crystal display system and a storage medium. The method comprises the following steps: determining tristimulus values of original white pixel points of the system in a CIE 1931XYZ color space according to normalized spectral power distribution of a white light backlight source of the liquid crystal display system and a transmittance spectrum of a three-primary color filter of a color film; determining a target RGB color space and a target color temperature, and constructing a color space conversion matrix from the target color space to an XYZ color space; converting the tristimulus values of the original white pixel points of the system in the XYZ color space into the three-primary color channel values of the target white pixel points under the target color temperature in the target color space by using the inverse matrix of the color space conversion matrix; and driving the system to display white according to the three-primary color channel value of the target white pixel point. According to the scheme, the color temperature correction of the liquid crystal display system is realized through a method of combining measurement and theoretical calculation, and the color temperature correction efficiency is improved.

The invention relates to the technical field of photovoltaic module detection, in particular to a TOPCon battery piece defect detection device and a TOPCon battery piece defect detection method. The optical imaging module comprises a 25,000,000-pixel camera, a three-color integral light source array and a multispectral optical filter group, and the light source array is composed of red, green and blue LEDs and supports pulse synchronous triggering; the traditional algorithm processing module is integrated with a Halcon image processing library and is configured with a VarThreshold operator dynamic threshold segmentation unit, an adjustable kernel size corrosion filtering unit and a light and shade separation unit, and an Erosion Rectangle1 operator is used for corrosion filtering; the AI defect detection module is internally provided with an improved YOLOv8 neural network model, and the model structure comprises a Backbone network embedded with a CBAM attention mechanism, a BiFPN network bidirectional feature pyramid and a dynamic loss function optimizer; according to the technical scheme, the limitation problems of low positioning precision, poor detection efficiency, single defect identification dimension and the like of an artificial vision or traditional probe contact detection means can be solved.

A multi-source water pollutant detection device based on multi-dimensional spectral information fusion comprises a base, a light shield, an electric signal detector, an absorption and fluorescence generation mechanism and a light filtering and light transmitting mechanism, the absorption and fluorescence generation mechanism and the light filtering and light transmitting mechanism are oppositely arranged on the base, and the light shield covers the base; the light filtering and transmitting mechanism comprises a plurality of light filters, through holes, light filter mounting fixing parts and photoelectric sensors; the photoelectric sensors are used for converting fluorescence signals filtered by the corresponding light filters and transmission light signals passing through the through holes into electric signals; the photoelectric sensors are connected with the electric signal detector; the absorption and fluorescence generation mechanism comprises a sample bin and a light source irradiation part for irradiating light sources with different wave bands in the sample bin, and a focusing part is arranged on the sample bin and used for focusing transmission light and fluorescence generated after irradiation and absorption of the light sources with the corresponding wave bands and irradiating the transmission light and the fluorescence to the through hole in the light filter mounting and fixing part and the light filter. According to the utility model, the advantages of absorption spectrometry and three-dimensional fluorescence spectrometry are fused, and rapid detection of pollutants is realized.

The invention belongs to the field of optics, and discloses an optical module system for a port detection device, which comprises a shell, a first optical path assembly, a second optical path assembly, a third optical path assembly, a fourth optical path assembly, a first dichroscope and an optical fiber splitter are arranged in the shell, and the first optical path assembly and the second optical path assembly form a reflection mechanism. The third light path assembly and the fourth light path assembly form a transmission mechanism, each light path assembly comprises a light source, a condensing lens, an optical filter and a reflection unit which are sequentially arranged, the reflection units in the first light path assembly and the third light path assembly are reflectors, and the reflection units in the third light path assembly and the fourth light path assembly are second dichroscopes. According to the invention, multi-channel narrow-band light source output can be provided according to requirements, and a multi-channel optical fiber splitter is externally connected. The light source wave band can be selected and adjusted, and multiplexing of a single light source is achieved.