545 results about "Photodetection" patented technology

The embodiment of the invention provides an optical detection device which comprises an imaging assembly and a photoelectric detection device, and the imaging assembly is used for forming an image on an image plane of a to-be-detected area of a wafer. And the photoelectric detection device is used for receiving images and is arranged at the image plane. The photoelectric detection device comprises a light beam separation assembly and a sensor assembly, the light beam separation assembly is used for dividing a continuous first light signal in an image into multiple beams of second light signals, and the light beam separation assembly comprises a microlens array. The sensor assembly is used for receiving multiple beams of second optical signals, and each pixel unit of each sensor in the sensor assembly is used for receiving one beam of second optical signal in the multiple beams of second optical signals. The sensor assembly comprises a single-pixel sensor, and the single-pixel sensor corresponds to one micro lens in the micro lens array; and / or, the sensor assembly comprises a multi-pixel sensor, the multi-pixel sensor corresponds to a plurality of microlenses in the microlens array, and spatial segmentation is beneficial to improving the signal-to-noise ratio.

The invention discloses a multi-core optical fiber multichannel demodulation system for three-dimensional displacement measurement of a mechanical oscillator, which comprises a light source module, a multi-core optical fiber sensing probe, a photoelectric detection module and a signal processing module. A mapping model between multi-channel optical signals and displacement is established, decoupling and high-precision measurement of three-dimensional displacement are realized through a matrix demodulation algorithm, the system takes a multi-core optical fiber as an integrated probe structure, free space optical path alignment is not needed, an optical path is stable, and packaging is simple and convenient; compared with a traditional single-core optical fiber displacement sensing scheme, displacement components of the mechanical oscillator in the three orthogonal directions can be obtained at the same time, and the method has the advantages of being high in measurement precision, high in anti-interference capacity, good in real-time performance, compact in system structure and the like and can be widely applied to the fields of mechanical oscillator displacement measurement, structure health monitoring, precision manufacturing, micro-nano operation positioning and the like.

The invention discloses a reconstruction spectral imaging system based on an electromagnetic drive Fabry-Perot resonant cavity, and belongs to the field of spectral imaging. The system comprises an optical lens group, an electromagnetic driving device, a Fabry-Perot resonant cavity, a photoelectric detection array and a calculation unit, the cavity length of the Fabry-Perot resonant cavity can be adjusted through the electromagnetic driving device. The optical lens group receives light reflected or emitted by an external to-be-measured target scene and carries out collimation processing, and then the light enters the Fabry-Perot resonant cavity. The Fabry-Perot resonant cavity screens the incident light based on the resonance condition of the cavity length of the Fabry-Perot resonant cavity, and the screened light is emitted to the photoelectric detection array; the photoelectric detection array converts the incident light intensity into an electric signal and outputs the electric signal to the calculation unit; and a spectrum reconstruction model is built in the calculation unit, and a hyperspectral image of the to-be-measured target scene is obtained by using the spectrum reconstruction model based on the electric signal. The working range and the spectral imaging precision of the spectral imaging system based on the Fabry-Perot resonator are improved, the technological requirements are reduced, and the engineering applicability of the spectral imaging system based on the Fabry-Perot resonator is improved.

The embodiment of the invention provides a photoelectric detection device and an optical detection device. The photoelectric detection device comprises a light beam separation assembly and a sensor assembly. The light beam separating assembly is used for separating the first light signal into a plurality of beams of second light signals. The sensor assembly is used for receiving multiple beams of second optical signals. The sensor assembly includes a plurality of sensors, the plurality of sensors including a multi-pixel sensor. The continuous first optical signal is divided into a plurality of small discrete second optical signals through the light beam separation assembly, so that the light sensing area of each sensor corresponding to a sample is further reduced, the haze noise on a single sensor is further reduced through the small light sensing area, and the haze noise on the single sensor is further reduced under the condition that the original first optical signal is not changed. Noise on a single sensor is reduced, and the signal-to-noise ratio of the photoelectric detection device is improved.

The invention relates to the technical field of quantum sensing, and discloses a quantum magnetometer device based on diamond NV color center photoelectric detection magnetic resonance. Wherein the optical path module performs optical excitation and imaging positioning on a diamond sample through a laser and an objective lens. The circuit module integrates a microwave source, a lock-in amplifier, a low-noise current amplifier and a programmable power supply, applies a microwave field and bias voltage to a microwave antenna and an interdigital electrode on the surface of a sample respectively, and collects sample dependency photocurrent signals. And the operation module realizes automatic control and data processing of the system. According to the device, NV color center spin state information is converted into a photocurrent signal through a photoelectric detection magnetic resonance mechanism, an amplitude or frequency modulated signal is demodulated by using a lock-in amplification technology, information of a detection magnetic field is obtained through a high signal-to-noise ratio photoelectric detection magnetic resonance spectrum, and the sensitivity of the magnetic field is evaluated. Magnetic resonance signals are detected in an all-electricity mode, a complex optical system of traditional fluorescence detection is simplified, and the device has the advantages of being compact in structure, easy to integrate, high in measurement sensitivity and the like.

The embodiment of the invention provides a photoelectric detection device and an optical detection device. The photoelectric detection device comprises a light beam separation assembly and a sensor assembly. The light beam separation assembly is used for dividing a continuous first light signal into a plurality of beams of second light signals at different spatial positions. The sensor assembly is used for receiving multiple beams of second optical signals. The sensor assembly includes a plurality of sensors, the plurality of sensors including single-pixel sensors. The continuous first optical signal is divided into a plurality of small discrete second optical signals through the light beam separation assembly, so that the light sensing area of each sensor corresponding to a sample is further reduced, the haze noise on a single sensor is further reduced through the small light sensing area, and the haze noise on the single sensor is further reduced under the condition that the original first optical signal is not changed. Noise on a single sensor is reduced, and the signal-to-noise ratio of the photoelectric detection device is improved.

The invention relates to a dynamic measurement device for a deflection angle of a transmission shaft system based on a laser alignment and error separation technology. The dynamic measurement device mainly comprises a laser alignment module, an axis measurement module, a photoelectric detection module, a laser compensation module, a multi-channel signal acquisition card and a computer. The laser collimation module emits a collimated laser beam as a linear measurement reference, and the multiple axis measurement modules synchronously measure the dynamic axis tracks of the two transmission shafts in the rotation process. The photoelectric detection module is used for sequentially adjusting the poses of the measuring heads on all the axis measuring modules to be consistent, and the laser compensation module is used for compensating laser beam drift in real time so as to improve the laser alignment precision. And finally, fitting and calculating the dynamic deflection angle between the two sections of transmission shafts according to the axis trajectories of the plurality of sections. The three-point method error separation technology is adopted to separate the motion error and the section roundness error of the shaft, the dynamic measurement precision of the axis track is improved, and dynamic measurement of the deflection angle between any two sections of transmission shafts in a high-speed transmission system is achieved.

The invention relates to the technical field of photoelectric detection, in particular to a global self-defined sampling method based on a germanium-silicon photoelectric detector array, which comprises the following steps of: S1, constructing the germanium-silicon photoelectric detector array with an n * t specification, receiving a target optical signal by using each detector unit as a pixel point, converting the target optical signal into an initial current signal, the signal is linearly amplified into a voltage signal through an external transimpedance amplifier; s2, digitalizing the voltage signal into a binary discrete digital signal through a high-speed analog-to-digital converter at the output end of the trans-impedance amplifier; and S3, performing global synchronous sampling to obtain a first group of data, performing repeated sampling in the same mode to obtain multiple groups of data, performing pixel-by-pixel superposition to generate fused data, and performing user-defined setting on the repeated sampling frequency within 1-1024 times. By customizing the number of repeated sampling times and data superposition, adapting to different light intensities and expanding the detection dynamic range, the problems of strong light overexposure and weak light underexposure are solved, the data consistency is guaranteed in combination with global synchronous sampling, and the detection precision and the environmental adaptability are improved.

The invention provides a wide-field imaging and confocal integrated system and method for a solid-state spin color center. The system comprises an exciting light module, a wide-field branch, a confocal branch, a first guide element, a first double-color piece, an objective lens, a probe comprising a solid-state spinning color center, a first filter, a second guide element, a photoelectric detection light path, a wide-field imaging light path and a microwave module. The exciting light module outputs two paths of exciting light in a switchable mode, the two paths of exciting light are transmitted to the confocal branch and the wide-field branch respectively so as to obtain light beams meeting confocal and wide-field imaging respectively, and the two paths of light beams are guided to the same laser excitation and fluorescence detection light path through the first guiding element and then are transmitted to the wide-field branch through the second guiding element. And then the collected fluorescence is guided to a photoelectric detection light path or a wide-field imaging light path by a second guide element, so that switching of two detection modes can be realized, integration of wide-field imaging and confocal can be realized, compared with respective reconstruction in the prior art, the method is more convenient, repeated debugging in the switching process is avoided, and real-time switching can be realized.

The invention discloses a radar photoelectric cooperative detection method and system based on radio orientation and optical measurement, and belongs to the field of radio fixed.The method comprises the steps that a radio signal of a target is obtained, parameter estimation is conducted on the radio signal, and direction-of-arrival data and statistical characteristic parameters of the target are obtained; generating a guide instruction according to the direction of arrival data to drive a photoelectric detection device to point to the airspace where the target is located, and obtaining real-time optical image data of the airspace where the target is located through the photoelectric detection device; projecting the error uncertainty range to a two-dimensional plane of the real-time optical image data, and generating an adaptive probability search area; performing visual feature extraction on the real-time optical image data in the adaptive probability search area, and detecting to obtain at least one candidate visual target; and calculating the association confidence of each candidate visual target and the direction of arrival data, and judging a final detection target. According to the invention, closed-loop self-calibration of the whole radar photoelectric system is realized.

The invention discloses a MoTe2 / Bi < 0.5 > Sb < 1.5 > Te3 heterojunction thin film and application thereof in broadband near-infrared photoelectric detection. The heterojunction thin film is formed by stacking a MoTe2 thin film prepared by magnetron sputtering and a Bi < 0.5 > Sb < 1.5 > Te3 thin film prepared by magnetron sputtering, and the MoTe2 thin film and the Bi < 0.5 > Sb < 1.5 > Te3 thin film are in direct contact to form a heterojunction interface; the preparation method comprises the following steps: putting a cleaned n-Si substrate into a magnetron sputtering instrument, sputtering a MoTe2 film in an inert atmosphere, and carrying out annealing treatment to obtain n-Si / MoTe2; and continuously putting the n-Si / MoTe2 into the magnetron sputtering instrument, sputtering a Bi0. 5Sb1. 5Te3 film on the surface of the MoTe2 film in an inert atmosphere, and carrying out annealing treatment. According to the invention, a self-powered practical device with high responsivity, high specific detection rate, fast response speed and high stability can be obtained.

The invention relates to the technical field of optical signal transmission, in particular to an optical fiber polarization measurement system and method. The optical fiber polarization measurement system comprises a light source which is located at the light incident side of a to-be-measured optical fiber and is used for inputting detection laser to the to-be-measured optical fiber; the optical fiber temperature control assembly is circumferentially arranged along the periphery of the to-be-measured optical fiber and is used for adjusting the temperature of the to-be-measured optical fiber; the light-emitting optical fiber is the same as the optical fiber to be detected in model and is welded with the output end of the optical fiber to be detected through polarization-maintaining welding; the heat preservation rotating assembly is arranged close to the output end of the light-emitting optical fiber and used for providing a constant-temperature environment for the light-emitting optical fiber and driving the light-emitting optical fiber to rotate concentrically. The polarization analyzing assembly is located at the output end of the light-emitting optical fiber and used for screening the output laser output by the light-emitting optical fiber based on the polarization direction; the photoelectric detection assembly is located on the side, away from the light outlet optical fiber, of the polarization detection assembly and used for detecting the optical power of the polarized laser screened by the polarization detection assembly. The measuring efficiency can be effectively improved, the cost is reduced, and the structure is simplified.

The invention discloses an optical neural network multi-architecture adaptive computing chip and a computing method thereof. The chip comprises an optical signal input unit, an input data modulation unit, a weight and bias processing unit and a photoelectric detection unit. The optical signal input unit is used for generating and outputting an optical signal; the input data modulation unit is used for modulating and loading information carried by the source data and the bias data to an optical signal output by the optical signal input unit; the weight and bias processing unit comprises a photon weight module and a photon bias module, and the photon weight module is used for carrying out optical coding on weights and realizing optical multiplication and addition calculation of input data of optical signals and corresponding weight parameters; the photon bias module is used for bias coding, summing the bias coding and an optical multiplication and addition operation result, and outputting an operation result containing bias compensation; the photoelectric detection unit is used for converting operation results into electric signals to be output. The method has high universality, and the calculation accuracy of the optical neural network is effectively improved.

The invention provides a photoelectric detection chip and a preparation method thereof, a photoelectric detector and electronic equipment, the photoelectric detection chip comprises a substrate, a first doping layer, a second doping layer, an intrinsic absorption layer, a micro-nano structure, a first electrode and a second electrode, the first doping layer is arranged on the surface of the substrate along the thickness direction of the substrate, and the second doping layer is arranged on the surface of the substrate; the intrinsic absorption layer is located between the first doping layer and the second doping layer, the multiple micro-nano structures are arranged in an array mode in the direction perpendicular to the thickness direction of the substrate, so that at least part of incident light is limited in the intrinsic absorption layer, the absorption efficiency of the intrinsic absorption layer on the incident light is improved, more electrons and holes can be generated conveniently, and the light emitting efficiency is improved. The responsivity of the photoelectric detection chip is improved; meanwhile, the micro-nano structure penetrates through the first doping layer, the intrinsic absorption layer and the second doping layer, so that electrons and holes move in the thickness direction, the transition distance and the transition time of the electrons and the holes are shortened, and the bandwidth of the photoelectric detection chip is improved.

The invention relates to the technical field of photoelectric detection and radars, in particular to a calibration method, system and device for a radar and a laser anti-collision device and a medium, and aims to track and lock the same dynamic non-cooperative target through the laser anti-collision device and the phased array radar. Synchronously acquiring spherical coordinate observation data of the dynamic targets in the public view field under respective coordinate systems; and after the spherical coordinates are converted into rectangular coordinates, calculating a point set centroid, constructing a covariance matrix and performing singular value decomposition based on a rigid body transformation model, and directly solving a rotation matrix and a translation vector from a radar coordinate system to a laser anti-equipment-free coordinate system, thereby completing calibration. No external absolute coordinate reference is needed, only relative observation data of equipment is utilized, and the method has the advantages of being rapid in deployment, high in environmental adaptability, low in cost and high in calibration speed. The problems that in the prior art, a calibration system depends on RTK or a high-precision map, the environmental adaptability is poor, and the deployment requirement is high are solved.

The invention discloses a light source system capable of continuously adjusting an attenuation ratio, and belongs to the technical field of optical radiation measurement and photoelectric detection. In order to solve the problems of wavelength dependence, discontinuous adjustment, spectrum distortion and the like existing in an existing light intensity adjusting scheme, a combined structure of an integrating sphere and a diaphragm cylinder is adopted, and the device comprises a light source, the integrating sphere with the high-reflection inner wall, a front-end adjustable diaphragm, the diaphragm cylinder with the extinction inner wall and a rear-end adjustable diaphragm. Continuous attenuation of output light intensity in a predetermined dynamic range is realized by adjusting the apertures of the front and rear diaphragms, the lower limit of attenuation ratio meets the requirement, and the dynamic range can reach more than three orders of magnitude. The system uses the integrating sphere to form a stable Lambert light source, the attenuation process depends on geometric parameters, spectral distribution and spatial uniformity basically remain unchanged, and the non-uniformity of a light-emitting surface is not greater than 5%. The invention further provides a calibration method, high-precision attenuation prediction is achieved through detector measurement and view factor model fitting, and the calibration method is suitable for weak cursor calibration, detector linearity testing and other applications.

Provided is a photodetection device capable of suppressing generation of defective pixels. Specifically, the photodetection device includes a semiconductor substrate on which a plurality of photoelectric conversion units is formed; and a plurality of optical filters disposed on a light incident surface side of the semiconductor substrate. Furthermore, each of the optical filters includes a metal structure including a metal material of the same kind. Moreover, the photodetection device includes, between the metal structures, a slit portion spatially sectioning the metal structures.

1. The name of the design product: panoramic infrared photoelectric detection radar. 2. The use of the design product: 360° wide range real-time video monitoring and security identification alarm for infrared and visible light composite imaging. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The present disclosure provides a photodetection element and an electronic device capable of suppressing color mixing.In order to solve the above problems, according to the present disclosure, there is provided a photodetection element including: a photoelectric conversion layer that generates a signal charge in response to incidence of light; and a light shielding structure having a wall shape and penetrating the photoelectric conversion layer, the light shielding structure having an opening on a side opposite to a light incident side and formed in a through hole having a groove shape and having a closed region on the light incident side.

To provide a photoelectric conversion device and a photo-detection system that have reduced power consumption.SOLUTION: A photoelectric conversion device has a pixel including an avalanche photodiode, a signal processing circuit that includes a counter generating a count value based on photons incident on the avalanche photodiode in a count period and outputs the count value at a predetermined frame rate, a quench transistor that returns the avalanche photodiode after the occurrence of avalanche doubling again to a state in which the avalanche doubling may occur, and a pulse generation unit that outputs, to a gate of the quench transistor, a pulse signal in which the level changes at a predetermined frequency. The pixel makes a transition from a first state to a second state in which the frequency and the frame rate are higher than the first state according to a result of execution of a determination based on the count value and a predetermined threshold.SELECTED DRAWING: Figure 6

The photoelectric detection system comprises a detector module, a PCB module, a refrigeration module, an optical fiber module, a microstrip line module, a vacuum cover, an optical channel integrated board and an electric channel integrated board, the detector module, the PCB module, the refrigeration module and the microstrip line module are arranged in the vacuum cover, and the optical channel integrated board and the electric channel integrated board are embedded in the surface of the vacuum cover. The optical fiber module penetrates through the optical channel integrated board to transmit optical signals to the photoelectric detection system, and the microstrip line module is connected to the electric channel integrated board to output electric signals outwards. By using the optical channel integrated board and the electric channel integrated board, the photoelectric conversion of the detector module can be completed in a vacuum low-temperature environment, and the number of optical channels and / or the number of electric channels can be greatly increased.

An integrated semiconductor photodetector and its fabrication method are disclosed, relating to the field of integrated photodetector technology. This invention addresses the problems of existing detectors, such as limited functionality, insufficient responsivity, low integration, and difficulty in achieving synergistic miniaturization and high performance improvement. The method involves depositing a Cr conductive layer on the front side of a superlens substrate, uniformly coating the conductive layer surface with photoresist, pre-baking to prepare a dot-matrix mask pattern, developing and fixing followed by Ni deposition, and then stripping to obtain the Ni dot-matrix mask. ICP etching is used to remove the surface conductive layer, and a nanopillar array superlens structure is then fabricated. A photodetector layer is transferred to the back side of the substrate. Positive photoresist is spin-coated onto the substrate surface, pre-baking to prepare a source / drain electrode pattern, developing and fixing followed by sequential deposition of an adhesion layer metal and an electrode body metal layer. The metal layer in the non-electrode region is then stripped to obtain the metal electrode in contact with the photodetector layer, completing the detector fabrication. This invention can be applied to polarization imaging, space remote sensing, airborne detection, and optical communication.

This invention relates to a laser interferometric control system and method that integrates multimodal collaborative photoelectric detection and intelligent control algorithms, belonging to the field of laser interferometry. It solves the problems of slow response speed, high complexity, and insufficient adaptability in existing laser interferometric control systems. The system includes: a light source module, whose optical path is connected to a static reference optical path module and an active adjustment optical path module. Both the static reference optical path module and the active adjustment optical path module are optically connected to an interference signal detection module, which outputs the interference contrast. A processing and decision-making module is configured to receive and fuse the interference contrast, first coordinate information, and second coordinate information, output adjustment action commands for the adjustment optical path adjustment components to adjust the interference contrast, and perform autonomous learning optimization based on the change in interference contrast before and after adjustment and the magnitude of the adjustment change, thereby achieving automatic adjustment and stable maintenance of the interference contrast. This invention is applied to laser interferometry.

The invention provides a space laser communication fine tracking assembly, which adopts a two-stage closed-loop control system to realize high-precision tracking, the first stage adopts a light spot centroid tracking technology and adjusts a light beam direction in real time through elements such as an FSM fast reflector and a CMOS camera to compensate miss distance, and the second stage adopts an optical fiber nutation coherent tracking technology to compensate miss distance. According to the system, the micro-electromechanical system (MEMS) mirror, the nutation device, photoelectric detection and the like are combined, the tracking precision is further improved through optical fiber coupling and frequency mixing processing, the FPGA programmable processor serves as a core to process images and signals and generate control signals to drive the reflector and the nutation device, accurate alignment of receiving and transmitting optical axes is ensured, and efficient and stable space laser communication is achieved. According to the invention, through combination of the first-stage light spot positioning tracking technology and the second-stage space nutation coherent tracking technology, precise control and tracking of the light spot position in space laser communication are realized, and the suppression bandwidth and precision of precise tracking are effectively improved.

To provide a photoelectric conversion device and a photo-detection system that have reduced power consumption.SOLUTION: A photoelectric conversion device has a pixel including an avalanche photodiode, and a signal processing circuit that includes a counter generating a count value based on photons incident on the avalanche photodiode in a count period and repeatedly outputs the count value for every count period. The pixel makes a transition from a first state to a second state in which the length of the count period is shorter than the first state according to a result of execution of a determination based on the count value and a predetermined threshold.SELECTED DRAWING: Figure 6

The invention relates to the technical field of laser inter-satellite link communication ranging, and provides an optimization method and device for improving the ranging precision of a laser inter-satellite communication ranging link, and the method comprises the steps: obtaining the sampling data of a photoelectric detection signal of the laser inter-satellite communication ranging link in real time; performing interpolation recovery on the sampling data according to the current loop interpolation parameter; performing clock phase error phase discrimination on the interpolation recovery data, wherein phase discrimination gain coefficient correction needs to be performed through real-time amplitude monitoring on the interpolation recovery data; filtering a clock phase error phase discrimination result; updating a loop interpolation parameter and a super-resolution code element phase accurate distance measurement result by using a filtered clock phase error phase discrimination result; and extracting a super-resolution code element phase accurate distance measurement result. According to the method, the phase discrimination gain coefficient is corrected in real time by monitoring the amplitude change in real time, so that the distance measurement precision does not change along with the amplitude of the received optical signal, and the distance measurement precision under the working condition of dynamic amplitude change of the laser inter-satellite link is improved.

The invention discloses a self-powered ferroelectric energy converter based on a triboelectric-photoelectric coupling effect, and belongs to the technical field of energy conversion and photoelectric detection. According to the converter, an Ag2O-BNT (Bi3. 15Nd0. 85Ti3O12) composite ferroelectric material prepared by a sol-gel method is adopted to form a ferroelectric film structure, and electrodes are connected to the top and the bottom of the converter. According to the structure, the transfer amount of friction induced charges can be modulated through photon-generated carriers, and self-powered ultraviolet-visible light detection and mixed energy collection are achieved. Under the illumination condition, the voltage signal of the photoelectric detector is obviously reduced, and the current signal of the hybrid energy collection device is improved. The invention has the advantages of low cost, high response speed, wide spectrum absorption and the like, and can be widely applied to flexible electronic and wearable equipment.

The invention belongs to the technical field of target clustering, and particularly relates to a target clustering method based on multi-type photoelectric detection results of an unmanned ship, which can cluster detection data according to a clustering radius and a clustering number, can realize manual correction, and can perform clustering calculation on corrected data again, thereby improving the accuracy of a clustering center. In order to realize post-processing on multi-type target data of photoelectric detection and reduce the influence of noise points on a clustering center, after the detection data is classified, the detection data is clustered by adopting a DBSCAN method according to the clustering radius and the clustering number, so that post-processing clustering can be carried out on multi-type targets of photoelectric detection, and the clustering accuracy is improved. Moreover, a mode that a detection picture corresponds to a detection target is designed, manual correction can be realized, and the corrected data is subjected to clustering calculation again, so that the accuracy of the clustering center is improved.

The invention provides a detection system of a composite silicon photomultiplier staggered array. The device is characterized by comprising a composite silicon photomultiplier array module (1), a dual-channel reading module (2), an ambient light monitoring module (3), a fusion control module (4), a multi-path bias power supply module (5), a high-sensitivity sub-array (6), a high-dynamic range sub-array (7), a metal bus line (8), a signal output channel 1 (high-sensitivity) (9), a signal output channel 2 (high-dynamic) (10) and a ceramic substrate (11). The system can be used for solving the technical problems that an existing single-type silicon photomultiplier detection system is low in photon detection efficiency under weak light and limited in dynamic range under strong light, and can be widely applied to the technical field of photoelectric detection with requirements for the dynamic range and sensitivity, such as automatic driving laser radar, biological fluorescence imaging and high-energy physical detection.

A detection device includes a planar detection device comprising a plurality of photodetection elements arranged in a planar configuration, a light source device disposed so as to face the planar detection device, and a light-transmitting mounting substrate that is disposed between the planar detection device and the light source device and configured to mount a plurality of objects to be detected.