Measurement of ultrashort pulse with fundamental wave by computer

Zhenglie Gong; Zhengyi Huang; Xiaoman Cheng; Xiulan Xia; Zhenping Jiang; Zhifeng Liu; Yangqin Zhan

doi:10.1117/12.253316

30 September 1996 Measurement of ultrashort pulse with fundamental wave by computer

Zhenglie Gong, Zhengyi Huang, Xiaoman Cheng, Xiulan Xia, Zhenping Jiang, Zhifeng Liu, Yangqin Zhan

Proceedings Volume 2889, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers; (1996) https://doi.org/10.1117/12.253316
Event: Photonics China '96, 1996, Beijing, China

Abstract

A new technique of measuring light pulse with fundamental wave information is presented in order to surmount the difficulty of phase matching of tunable laser in second- harmonic wave method. The expressions of upper-envelope of interference correlation function of fundamental pulse are derived for Gaussian and hyperbolic secant pulse shapes. It is pointed out that the width of the envelope at ordinate of 1.72 (for Gaussian) and 1.76 (for sech) equals to FWHM of second-order intensity correlation curve for above shapes respectively. It is not necessary to double frequency for this method, the arrangement of experiment is simpler and the ratio of signal to noise is greatly raised. The measurement of single pulse is simply discussed.

Citation Download Citation

Zhenglie Gong, Zhengyi Huang, Xiaoman Cheng, Xiulan Xia, Zhenping Jiang, Zhifeng Liu, and Yangqin Zhan "Measurement of ultrashort pulse with fundamental wave by computer", Proc. SPIE 2889, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers, (30 September 1996); https://doi.org/10.1117/12.253316

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