High-contrast front end based on cascaded XPWG and femtosecond OPA for 10-PW-level Ti:sapphire laser

By combining cross-polarized wave generation and femtosecond optical parametric amplification, a high-contrast front end featuring ultrahigh contrast, a broadband spectrum, an excellent beam profile, and good stability is built for a 10-PW-level Ti:sapphire laser in the Shanghai Superintense Ultrafa...

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Bibliographic Details
Published in:Optics express 2018-02, Vol.26 (3), p.2625-2633
Main Authors: Yu, Linpeng, Xu, Yi, Liu, Yanqi, Li, Yanyan, Li, Shuai, Liu, Zhengzheng, Li, Wenkai, Wu, Fenxiang, Yang, Xiaojun, Yang, Yanli, Wang, Cheng, Lu, Xiaoming, Leng, Yuxin, Li, Ruxin, Xu, Zhizhan
Format: Article
Language:English
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Summary:By combining cross-polarized wave generation and femtosecond optical parametric amplification, a high-contrast front end featuring ultrahigh contrast, a broadband spectrum, an excellent beam profile, and good stability is built for a 10-PW-level Ti:sapphire laser in the Shanghai Superintense Ultrafast Laser Facility (SULF-10PW laser). The front end can deliver a cleaned pulse with a 110 μJ energy at 1 kHz, and the bandwidth of the cleaned pulse exceeds 60 nm (FWHM), which can support a 17 fs compressed pulse duration. The measured output energy fluctuation in one hour is
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.26.002625