Photomultiplier tube dynamic range test method and device
A technology of photomultiplier tube and dynamic range, which is applied in the direction of measuring device, optical instrument test, machine/structural component test, etc. It can solve the problems of large test error, inability to simulate large and small signals, low test efficiency, etc., and achieve dynamic range curve Accurate, interference-shielding, and high-efficiency testing
Active Publication Date: 2022-02-18
NORTH NIGHT VISION TECH
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Problems solved by technology
[0006] The purpose of the present invention is to provide a method and device for testing the dynamic range of a photomultiplier tube, which can solve the problem of large and small dynamic range values when the current dynamic range test error is large, the test efficiency is low, and the actual application environment of the photomultiplier tube cannot be simulated.
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[0059] In order to better understand the technical content of the present invention, specific embodiments are given together with the attached drawings for description as follows.
[0060] Aspects of the invention are described in this disclosure with reference to the accompanying drawings, which show a number of illustrated embodiments. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of numerous ways, since the concepts and embodiments disclosed herein are not limited to any implementation. In addition, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
[0061] combine Figure 1-Figure 3 As shown, a photomultiplier tube dynamic range testing device includes a light source sys...
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The invention belongs to the technical field of photomultiplier tubes, and provides a photomultiplier tube dynamic range testing device and method, including a light source system, a dark box, an electronic system and a computer system. The light source system is used to periodically output pulsed light of different intensities; the light source system is connected to the dark box through an optical fiber, and the pulsed light for testing is introduced into the dark box and irradiated to the photocathode of the photomultiplier tube; the output of the photomultiplier tube and the light pulse are one by one Corresponding periodic pulse signals of different intensities; the electronic system controls the light source system to provide pulsed light of different frequencies and phases and receives and measures the pulse signals output by the photomultiplier tube; the computer system is used to obtain and analyze the measurement results of the electronic system , to obtain the dynamic range test result of the photomultiplier tube. The invention can solve the problems of large dynamic range test error, low test efficiency and incapability of simulating the dynamic range value of large and small signals in the actual application environment of the photomultiplier tube.
Description
technical field [0001] The invention relates to the technical field of photomultiplier tubes, in particular to the performance test thereof, in particular to a method and device for testing the dynamic range of photomultiplier tubes. Background technique [0002] A photomultiplier tube is a vacuum device that converts weak optical signals into electrical signals. It is widely used in analytical instruments, medical instruments, oil logging, space exploration, high-energy physics, laser applications and other fields. It involves many industries in the national economy, especially in important engineering and research experiments such as "UV warning", "Shenguang III", "UV communication", electron-positron collider, and neutrino detection. [0003] With the continuous development of neutrino detection experiments, nuclear explosion simulation experiments, ultraviolet communication and other fields, the demand for photomultiplier tubes is increasing, especially for photomultipli...
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IPC IPC(8): G01M11/00
CPCG01M11/00
Inventor 黄国瑞司曙光王兴超苏德坦金真任玲徐海洋吴凯石梦瑶黄之瑶
Owner NORTH NIGHT VISION TECH