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A detector array target calibration method

A detector array and detector technology, applied in the field of detector array target calibration, can solve problems such as difficulty, high cost, and low efficiency

Active Publication Date: 2021-04-02
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are problems such as difficulty, high cost, and low efficiency in the calibration of the detector array target.

Method used

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  • A detector array target calibration method
  • A detector array target calibration method
  • A detector array target calibration method

Examples

Experimental program
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Effect test

Embodiment 1

[0033]Such asfigure 1 withFigure 7 As shown, a detector array target calibration system includes a spot acquisition device, a first splitter 6, a second score mirror 7, a power meter 8, a signal conditioning sampling unit, a data processing control unit, to a first splitter 6 distance The same calibrator detector module 9 and the detector array target 10 to be calibrated. In this embodiment, the scaling detector module 9 only has one detector unit 101, and the detector array target 10 includes a plurality of arrays setup detector units 101. The spot 13 output by the spot acquisition device is transmitted to the scratch detector module 9 after the first splitter 6, and the second splitter, which is arranged on the optical path, respectively, and the second splitter 7 is disposed. Light is transmitted to the power meter 8; in this embodiment, the second beam mirror 9 is disposed on the optical path between the first beam mirror 6 and the detector array target 10 to be marked. Further,...

Embodiment 2

[0050]The method of using the detector array target according to Embodiment 1, including the following steps:

[0051]S1, the construction system, measure the wavelength and power density range according to the detector array target 10 to be calibrated, matches the appropriate spot acquisition device, and then constructs the system;

[0052]S2, the data processing control unit controls the first two-dimensional scanning platform 11 to drive the standard calibrator module 9 to perform a single point scan in accordance with the setting path 14. After scanning, the signal conditioning AD sampling unit in response to the value of the standard detector calibration detector module unit 9101, and then transmitted to the data processing control unit, the data processing control unit 13 acquires spot statistical power meter 8 Total power PSum , Calculate the true power density ρ;

[0053]The specific steps are as follows:

[0054]S21, the detector calibration detector module 9 unit 101 according to a se...

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Abstract

The invention relates to a detector array target calibration system and method. The system comprises a light spot acquisition device, a first spectroscope, a second spectroscope, a power meter, a calibration detector module, and a to-be-calibrated detector array target, wherein the calibration detector module and the to-be-calibrated detector array target are in the same distance to the first spectroscope; light spots output by the light spot acquisition device are transmitted to the calibration detector module and the detector array target respectively after passing through the first spectroscope, the second spectroscope arranged on an optical path is used for emitting a beam of light to the power meter; and a first two-dimensional scanning platform and a second two-dimensional scanning platform enable the corresponding calibration detector module and the detector array target to perform full-coverage scanning of a set path on a plane directly facing the light spots. According to thesystem in the invention, the calibration detector module is matched with the power meter so as to obtain the real power density of a calibration light source output by the light spot acquisition device, and the two-dimensional scanning platforms are arranged, so that the straightness and running precision during full-coverage scanning of the calibration detector module and the detector array target on the set path are ensured.

Description

Technical field[0001]The present invention relates to the technical field of detector array target calibration, and more particularly to a detector array target timing method.Background technique[0002]To quantitatively analyze the performance parameters of the laser emission system, it is necessary to measure the absolute power density of laser spots, to obtain a variety of parameters such as the total power, spot size, and power density spatial distribution of laser spot, and provide a basis for comprehensively determining its beam quality. The detector array target to be marked is a dedicated measuring device for measuring parameters such as laser beam power density spatial distribution and total power. The detector array target to be marked is generally composed of tens to thousand detector unit channels. The detector array target to be marked will irradiate the spot intensity information on the target surface. After sampling of each sampling passage, the intensity distribution o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J1/00
CPCG01J1/00
Inventor 谭逢富何枫靖旭陈修涛黄志刚侯再红乔春红
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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