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Appl. Sci. 2016, 6(1), 29; doi:10.3390/app6010029

High Compact, High Quality Single Longitudinal Mode Hundred Picoseconds Laser Based on Stimulated Brillouin Scattering Pulse Compression

National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin 150001, China
These authors contributed equally to this work.
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Authors to whom correspondence should be addressed.
Academic Editor: Totaro Imasaka
Received: 1 December 2015 / Revised: 22 December 2015 / Accepted: 15 January 2016 / Published: 20 January 2016
(This article belongs to the Section Optics and Lasers)
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Abstract

A high beam quality hundred picoseconds single-longitudinal-mode (SLM) laser is demonstrated based on stimulated Brillouin scattering (SBS) pulse compression and aberration compensation. Flash-lamp-pumped Q-switched Nd3+:Y3Al5O12 (Nd:YAG) SLM laser with Cr4+:Y3Al5O12 (Cr4+:YAG) as a saturable absorber is used as the seed source. By combining master-oscillator-power-amplifier (MOPA), a compact single-cell with FC-770 as working medium is generated as pulse compressor. The 7.8 ns SLM laser is temporally compressed to about 450 ps, and 200 mJ energy is obtained at 1064 nm without optical damage. The energy stability is better than 3% with beam quality factor M2 less than 1.8, which makes this laser system an attractive source for scientific and industrial applications. View Full-Text
Keywords: picosecond laser; stimulated Brillouin scattering (SBS); pulse compression; high energy picosecond laser; stimulated Brillouin scattering (SBS); pulse compression; high energy
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Bai, Z.; Wang, Y.; Lu, Z.; Yuan, H.; Zheng, Z.; Li, S.; Chen, Y.; Liu, Z.; Cui, C.; Wang, H.; Liu, R. High Compact, High Quality Single Longitudinal Mode Hundred Picoseconds Laser Based on Stimulated Brillouin Scattering Pulse Compression. Appl. Sci. 2016, 6, 29.

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