Single-photon counting system for measuring weak luminescence of dielectric medium
A technology of single-photon counting and luminescence measurement, which is applied in optical radiation measurement, measuring devices, photometry, etc., can solve the problem that data storage capacity and anti-interference performance cannot meet the requirements of accurate collection and storage of large amounts of data, reduction of equipment volume, photon Counting equipment is expensive and other problems, to achieve the effect of good communication rate, simplified circuit design, and easy production and debugging
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[0023] The content of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0024] figure 1 A block diagram of the single photon counting system. It includes a single photon photoelectric conversion module 100 , a pulse input signal photoelectric isolation module 101 , a pulse signal output module 102 , an external trigger signal acquisition module 103 , a trigger threshold adjustment module 104 , a programmable logic gate array module 105 and a PCI interface module 106 . Except for the single photon photoelectric conversion module 100, other modules are integrated into a PCI board. The connections between the modules are as follows:
[0025] The pulse signal output by the single photon photoelectric conversion module 100 is connected to the I / O input terminal 110 of the programmable logic gate array module 105 through the output terminal of the input signal photoelectric isolation module 101, and the input terminal ...
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