Compact and stable chirped pulse amplifier system based on nonlinear amplifying loop mirror oscillator and chirped-volume Bragg grating compression

Shun Li; Pingxue Li; Chuanfei Yao; Yunchen Zhun; Min Yang; Kexin Yu

doi:10.1117/12.2606353

24 November 2021 Compact and stable chirped pulse amplifier system based on nonlinear amplifying loop mirror oscillator and chirped-volume Bragg grating compression

Shun Li, Pingxue Li, Chuanfei Yao, Yunchen Zhun, Min Yang, Kexin Yu

Author Affiliations +

Proceedings Volume 12060, AOPC 2021: Advanced Laser Technology and Applications; 120600V (2021) https://doi.org/10.1117/12.2606353
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

All-polarization-maintaining (PM) fiber oscillator based on nonlinear amplifying loop mirror (NALM) modelocking has important applications for chirped pulse amplification systems. In this paper, we report an all-PM-fiberintegrated femtosecond chirped pulse amplification (CPA) system operating at 1030 nm, which consists of a NALM oscillator, an ytterbium-doped amplifier and a chirped volume Bragg grating (CVBG) compressor. The laser produces linearly polarized, linearly chirped pulses that can be recompressed down to 711 fs, corresponding to 95% compression efficiency. All-PM NALM fiber oscillator combined with CVBG compressor is a promising method for CPA system due to its extremely compact and robust architecture.

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Shun Li, Pingxue Li, Chuanfei Yao, Yunchen Zhun, Min Yang, and Kexin Yu "Compact and stable chirped pulse amplifier system based on nonlinear amplifying loop mirror oscillator and chirped-volume Bragg grating compression", Proc. SPIE 12060, AOPC 2021: Advanced Laser Technology and Applications, 120600V (24 November 2021); https://doi.org/10.1117/12.2606353

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KEYWORDS

Oscillators

Fiber lasers

Mode locking

Femtosecond phenomena

Picosecond phenomena

Bragg gratings

Amplifiers

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