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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 5 — Feb. 28, 2011
  • pp: 4438–4443

A signal to noise ratio measurement for single shot laser pulses by use of an optical Kerr gate

Junfang He, Changjun Zhu, Yishan Wang, Guanghua Cheng, Kuaisheng Zou, Dengke Wu, and Xudong Xie  »View Author Affiliations

Optics Express, Vol. 19, Issue 5, pp. 4438-4443 (2011)

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A new design of signal to noise ratio (SNR) measurement for single shot laser pulses, based on a stepped grating and an optical Kerr gate (OKG), is presented. A single shot laser pulse was simultaneously divided into multi-pulses in both time and space. Intensity-space distribution of laser multi-pulses, which was recorded with a CCD detector, was transformed into intensity-time distribution. Time resolution of 1.95 ps and detection time range of 42.9 ps were obtained, respectively. Moreover, optical spatial localization attenuators were introduced into optical path to acquire wide dynamic range in the SNR measurement and, as a result, the dynamic range has been extended remarkably.

© 2011 OSA

OCIS Codes
(190.3270) Nonlinear optics : Kerr effect
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.7100) Ultrafast optics : Ultrafast measurements

ToC Category:
Ultrafast Optics

Original Manuscript: November 5, 2010
Revised Manuscript: December 22, 2010
Manuscript Accepted: December 22, 2010
Published: February 23, 2011

Junfang He, Changjun Zhu, Yishan Wang, Guanghua Cheng, Kuaisheng Zou, Dengke Wu, and Xudong Xie, "A signal to noise ratio measurement for single shot laser pulses by use of an optical Kerr gate," Opt. Express 19, 4438-4443 (2011)

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