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A control device and control method for single-photon compression imaging

A compression imaging and control device technology, which is applied in the field of weak light imaging, can solve problems such as no solution, and achieve the effect of high integration, high synchronization accuracy, and high sensitivity single-photon compression imaging

Active Publication Date: 2021-01-19
NANCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

To achieve the above-mentioned ultra-sensitive single-photon compression imaging, the synchronization of measurement matrix loading and photon counting is the key to the system, and no relevant solutions have been reported so far.

Method used

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  • A control device and control method for single-photon compression imaging
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  • A control device and control method for single-photon compression imaging

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Embodiment

[0053] Example: see Figure 1-5 .

[0054] The invention discloses a control device for single-photon compression imaging, such as figure 1 As shown, it includes a synchronous control pulse generation module 1, a gated photon counting module 2, a measurement matrix loading module 3, a pulse stretching module 4, a first USB interface communication module 5, a second USB interface communication module 6, and a measurement matrix generation module 7 ;

[0055] figure 2 Shown is a block diagram of the composition of the synchronous control pulse generation module 1, the synchronous control pulse generation module 1 includes a frequency divider, a gated square wave generator and an AND gate, and the frequency divider divides the frequency of the high-frequency clock signal Generate a sampling frequency pulse signal, the frequency is consistent with the preset sampling frequency; the gated square wave generator generates a gated square wave signal, the number of square waves is ...

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Abstract

The invention relates to the field of weak light imaging, and particularly relates to a single-photon compressed imaging control device and a single-photon compression imaging control method thereof in the field of weak light imaging. The single-photon compression imaging control device comprises a synchronous control pulse generating module, a gating photon counting module, a measurement matrix loading module, a pulse broadening module, a first USB interface communication module, a second USB interface communication module and a measurement matrix generating module. According to the single-photon compression imaging control device, the sampling frequency (namely the DMD turnover frequency), the number of times of measurement, the number of repeated times of the whole experiment and otherparameters can be flexibly set according to needs.

Description

technical field [0001] The invention relates to the field of weak light imaging, in particular to a control device and a control method for single-photon compression imaging in the field of weak light imaging. Background technique [0002] Photon counting imaging is a method of extremely weak light imaging using photon counting technology, which has broad application prospects in the fields of biomedical detection, deep space detection, and spectral measurement. At present, the detectors with single-photon counting capability mainly include photomultiplier tubes, avalanche photomultiplier tubes, and superconducting single-photon detectors. There are usually two solutions to obtain sufficient spatial resolution. One is to use single-photon array detectors (that is, avalanche diode arrays). However, avalanche diode arrays are still in the research stage. There are only 32×32 pixels, and the packaging process of the single photon array detector is difficult, so it is difficult...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257
Inventor 鄢秋荣王慧袁成龙李冰
Owner NANCHANG UNIV