Autocorrelation and Frequency-Resolved Optical Gating Measurements Based on the Third Harmonic Generation in a Gaseous Medium

Author: Takao Yoshinari   Imasaka Tomoko   Kida Yuichiro   Imasaka Totaro  

Publisher: MDPI

E-ISSN: 2076-3417|5|2|136-144

ISSN: 2076-3417

Source: Applied Sciences, Vol.5, Iss.2, 2015-06, pp. : 136-144

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Abstract

A gas was utilized in producing the third harmonic emission as a nonlinear optical medium for autocorrelation and frequency-resolved optical gating measurements to evaluate the pulse width and chirp of a Ti:sapphire laser. Due to a wide frequency domain available for a gas, this approach has potential for use in measuring the pulse width in the optical (ultraviolet/visible) region beyond one octave and thus for measuring an optical pulse width less than 1 fs.

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