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Volume 12
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Article

Broadband Spectral Shaping of Regenerative Amplification with Extra-Cavity Waveplate for Cross Polarized Wave Generation

by
Baozhen Zhao
*,
Xiaohua Zhang
,
Chong Lv
,
Qiushi Liu
,
Ji Zhang
,
Xianghao Meng
,
Mingjiang Ma
and
Guoqing Yang
High-Intensity Laser and Particle Beam Laboratory, Department of Nuclear Physics, China Institute of Atomic Energy, Beijing 102413, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2022, 12(11), 5521; https://doi.org/10.3390/app12115521
Submission received: 27 April 2022 / Revised: 23 May 2022 / Accepted: 27 May 2022 / Published: 29 May 2022
(This article belongs to the Section Optics and Lasers)
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Abstract

We demonstrated extra-cavity gain narrowing pre-compensating in a regenerative amplifier with a multi-order triple-wavelength waveplate (WP). With a 1.117 mm thickness quartz waveplate, which was placed on the stretcher, the gain narrowing effect was reduced efficiently, the output spectral bandwidth was broadened from 25 nm to 40 nm, the broadest spectral pulse was compressed to 33.2 fs and the output energy was 1.5 mJ, the as same as with no waveplate. Then, the amplified pulses were used for cross polarized wave (XPW) generation, and the generated XPW spectra were broadened from 45 nm without WP to 68 nm with WP, with a conversion efficiency of 15%. This simple method can produce broader output spectra with a broader seed beam.
Keywords: waveplate; gain narrowing; regenerative amplification; cross polarized wave generation waveplate; gain narrowing; regenerative amplification; cross polarized wave generation

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MDPI and ACS Style

Zhao, B.; Zhang, X.; Lv, C.; Liu, Q.; Zhang, J.; Meng, X.; Ma, M.; Yang, G. Broadband Spectral Shaping of Regenerative Amplification with Extra-Cavity Waveplate for Cross Polarized Wave Generation. Appl. Sci. 2022, 12, 5521. https://doi.org/10.3390/app12115521

AMA Style

Zhao B, Zhang X, Lv C, Liu Q, Zhang J, Meng X, Ma M, Yang G. Broadband Spectral Shaping of Regenerative Amplification with Extra-Cavity Waveplate for Cross Polarized Wave Generation. Applied Sciences. 2022; 12(11):5521. https://doi.org/10.3390/app12115521

Chicago/Turabian Style

Zhao, Baozhen, Xiaohua Zhang, Chong Lv, Qiushi Liu, Ji Zhang, Xianghao Meng, Mingjiang Ma, and Guoqing Yang. 2022. "Broadband Spectral Shaping of Regenerative Amplification with Extra-Cavity Waveplate for Cross Polarized Wave Generation" Applied Sciences 12, no. 11: 5521. https://doi.org/10.3390/app12115521

APA Style

Zhao, B., Zhang, X., Lv, C., Liu, Q., Zhang, J., Meng, X., Ma, M., & Yang, G. (2022). Broadband Spectral Shaping of Regenerative Amplification with Extra-Cavity Waveplate for Cross Polarized Wave Generation. Applied Sciences, 12(11), 5521. https://doi.org/10.3390/app12115521

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