Simple and sensitive method for visual detection of temporal asymmetry of ultrashort laser pulses | Zendy

A.K. Sharma | Zendy; P. A. Naik | Zendy; Parshotam Dass Gupta | Zendy

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Simple and sensitive method for visual detection of temporal asymmetry of ultrashort laser pulses

Author(s) -

A.K. Sharma,

P. A. Naik,

Parshotam Dass Gupta

Publication year - 2004

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.12.001389

Subject(s) - autocorrelator , optics , interferometry , asymmetry , ultrashort pulse , laser , pulse (music) , multiphoton intrapulse interference phase scan , femtosecond pulse shaping , physics , autocorrelation , pulse shaping , sensitivity (control systems) , computer science , detector , mathematics , statistics , quantum mechanics , electronic engineering , engineering

A simple method is presented for visual detection of pulse asymmetry in ultrashort laser pulses, based on an unbalanced modified spectrum auto-interferometric correlation. It may be experimentally realized using a second order interferometric autocorrelator coupled with a fast data analysis computer program or electronic hardware. This method should permit real time visual detection of a very small amount of pulse asymmetry without any "direction of time" ambiguity, with a much higher sensitivity compared to unbalanced third order correlation.

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