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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 7, Iss. 11 — Nov. 1, 2009
  • pp: 1001–1003

A method to obtain pulse contrast on a single shot

Xiaoping Ouyang, Xiaoyan Li, Yanli Zhang, Zhaoyang Li, Guang Xu, Tao Wang, Baoqiang Zhu, and Jianqiang Zhu  »View Author Affiliations

Chinese Optics Letters, Vol. 7, Issue 11, pp. 1001-1003 (2009)

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A novel method for obtaining a single shot multi-point high dynamic range pulse contrast measurement is presented. We use Dammann gratings to generate multiple beamlets by division of amplitude on ultrashort laser pulses. The analysis results show that this method can achieve high dynamic range in pulse contrast measurement on a single shot by using photomultiplier tube (PMT) detectors and the long working distances to minimize cross talk between channels. Some distortion of pulse shape is also analyzed detailedly with the Dammann grating and its compensation grating, which may degrade the pulse contrast measurement in some degree by pulse stretching and spectrum clipping.

© 2009 Chinese Optics Letters

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(230.0230) Optical devices : Optical devices
(320.0320) Ultrafast optics : Ultrafast optics
(350.0350) Other areas of optics : Other areas of optics

Xiaoping Ouyang, Xiaoyan Li, Yanli Zhang, Zhaoyang Li, Guang Xu, Tao Wang, Baoqiang Zhu, and Jianqiang Zhu, "A method to obtain pulse contrast on a single shot," Chin. Opt. Lett. 7, 1001-1003 (2009)

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