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Appl. Sci. 2015, 5(4), 1590-1602; doi:10.3390/app5041590

Diode-Pumped High Energy and High Average Power All-Solid-State Picosecond Amplifier Systems

1
Beijing National Laboratory of Condensed Matter Physics, the Institute of Physics, Chinese Academy of Science, No. 8, 3rd South Street, Zhongguancun, Haidian District, Beijing 100190, China
2
Department of Physics, Capital Normal University, 105 West Third Ring Road North, Haidian District, Beijing 100048, China
3
School of Physics and Optoelectronic Engineering, Xidian University, 266 Xinglong Section of Xifeng Road, Xi’an 710126, Shanxi, China
4
School of Science, China University of Mining & Technology, Ding No. 11 Xueyuan Road, Haidian District, Beijing 100083, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Malte C. Kaluza
Received: 12 September 2015 / Revised: 25 November 2015 / Accepted: 26 November 2015 / Published: 4 December 2015
(This article belongs to the Special Issue Diode-Pumped, Ultra-Short Pulse Lasers)
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Abstract

We present our research on the high energy picosecond laser operating at a repetition rate of 1 kHz and the high average power picosecond laser running at 100 kHz based on bulk Nd-doped crystals. With diode-pumped solid state (DPSS) hybrid amplifiers consisting of a picosecond oscillator, a regenerative amplifier, end-pumped single-pass amplifiers, and a side-pumped amplifier, an output energy of 64.8 mJ at a repetition rate of 1 kHz was achieved. An average power of 37.5 W at a repetition rate of 100 kHz pumped by continuous wave laser diodes was obtained. Compact, stable and high power DPSS laser amplifier systems with good beam qualities are excellent picosecond sources for high power optical parametric chirped pulse amplification (OPCPA) and high-efficiency laser processing. View Full-Text
Keywords: diode-pumped solid state laser; picosecond laser; amplifier diode-pumped solid state laser; picosecond laser; amplifier
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MDPI and ACS Style

Liu, J.; Wang, W.; Wang, Z.; Lv, Z.; Zhang, Z.; Wei, Z. Diode-Pumped High Energy and High Average Power All-Solid-State Picosecond Amplifier Systems. Appl. Sci. 2015, 5, 1590-1602.

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