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Regenerative amplifier with continuously variable pulse duration used in an optical parametric chirped-pulse amplification laser system for synchronous pumping

[+] Author Affiliations
Yuxin Leng, Lihuang Lin, Xiaodong Yang, Haihe Lu, Zhengquan Zhang, Zhizhan Xu

Shanghai Institute of Optics and Fine Mechanics, Academia Sincia, P. O. Box 800-211, Shanghai?201800, China E-mail: lengyuxin_cn@hotmail.com

Opt. Eng. 42(3), 862-866 (Mar 01, 2003). doi:10.1117/1.1540971
History: Received Apr. 8, 2002; Revised Aug. 12, 2002; Accepted Aug. 16, 2002; Online March 07, 2003
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A Nd:glass regenerative amplifier has been set up to generate the pumping pulse with variable pulse width for an optical parametric chirped-pulse amplification (OPCPA) laser system. Each pulse of the pulse train from a cw self-mode-locking femtosecond Ti:sapphire oscillator is stretched to ≈300 ps at 1062 nm to be split equally and injected into a nonlinear crystal and the Nd:glass regenerative amplifier, as the chirped signal pulse train and the seed pulse train of the pumping laser system, respectively. By adjusting the cavity length of the regenerative amplifier directly, the width of amplified pulse could be varied continuously from ≈300 ps to ≈3 ns. The chirped signal pulse for the OPCPA laser system and the seed pulse for the pumping laser system come from the same oscillator, so that the time jitter between the signal pulse and the pumping pulse in optical parametric amplification stages could be <10 ps. © 2003 Society of Photo-Optical Instrumentation Engineers.

© 2003 Society of Photo-Optical Instrumentation Engineers

Citation

Yuxin Leng ; Lihuang Lin ; Xiaodong Yang ; Haihe Lu ; Zhengquan Zhang, et al.
"Regenerative amplifier with continuously variable pulse duration used in an optical parametric chirped-pulse amplification laser system for synchronous pumping", Opt. Eng. 42(3), 862-866 (Mar 01, 2003). ; http://dx.doi.org/10.1117/1.1540971


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