Multi-parameter measurement method of image intensifier based on Fourier transform phase measurement

chen tao; cao yiping; zeng xiyu

Volume 23 Issue 10

Nov. 2011

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(10): 0-

sheng yong1, jiang gang, zhu zheng-he, et al. Dielectronicrecombination rate study of Hlike， Helike and Lilike Mg and Al ions[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

chen tao, cao yiping, zeng xiyu. Multi-parameter measurement method of image intensifier based on Fourier transform phase measurement[J]. High Power Laser and Particle Beams, 2011, 23.

sheng yong1, jiang gang, zhu zheng-he, et al. Dielectronicrecombination rate study of Hlike， Helike and Lilike Mg and Al ions[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

chen tao, cao yiping, zeng xiyu. Multi-parameter measurement method of image intensifier based on Fourier transform phase measurement[J]. High Power Laser and Particle Beams, 2011, 23.

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Multi-parameter measurement method of image intensifier based on Fourier transform phase measurement

1.
College of Electronics and Information Engineering,Sichuan University,Chengdu 610064,China

Publish Date: 2011-10-15

Abstract

Abstract

An imaging quality measuring method of image intensifier is presented, which can obtain many characters simultaneously by Fourier transform phase measurement. When a sinusoidal pattern is the input, a deformed fringe pattern will be the output if there is any imaging quality problem in the image intensifier. Obtaining the phase changes of the deformed fringe pattern by Fourier transform phase measurement can extract the information of magnification， magnification inhomogeneity, pillow-shaped distortion, barrel-shaped distortion, snake-shaped distortion, and shearing distortion. And after the calibration of the measurement system, the above parameters can be derived simultaneously. The experimental results show that, the measured central magnification has a difference of the magnitude of
- image intensifier,
- fourier transform phase measurement,
- phase measurement,
- pillow-shaped distortion,
- snake-shaped distortion,
- shearing distortion

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