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Proceedings Paper

Pulse compression and beam quality improvement of a single-frequency Nd:YAG MOPA system
Author(s): Oliver Lux; Hristomir Stankov; Haro Fritsche; Hans J. Eichler
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Paper Abstract

Stimulated Brillouin scattering phase conjugation (SBS-PC) in the fluorocarbon liquid FC-77 is investigated within the development of a single-frequency Nd:YAG master oscillator power amplifier system operating at 1064 nm wavelength. Focusing of the pulsed Nd:YAG laser radiation into a FC-77-filled SBS cell which acts as a phase conjugate mirror in a double-pass amplifier arrangement generates high peak power output radiation in the MW range. As a result of the SBS phase conjugation process, we observed an improvement of the spatial beam quality (M2 = 1.4) as well as pulse shortening to the sub-nanosecond regime (<800 ps). The latter is significantly governed by the pump energy and the focusing conditions.

Paper Details

Date Published: 22 February 2013
PDF: 8 pages
Proc. SPIE 8600, Laser Resonators, Microresonators, and Beam Control XV, 860005 (22 February 2013); doi: 10.1117/12.2002348
Show Author Affiliations
Oliver Lux, Technische Univ. Berlin (Germany)
Hristomir Stankov, Technische Univ. Berlin (Germany)
Haro Fritsche, Technische Univ. Berlin (Germany)
Hans J. Eichler, Technische Univ. Berlin (Germany)


Published in SPIE Proceedings Vol. 8600:
Laser Resonators, Microresonators, and Beam Control XV
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko; Lutz Aschke; Kunihiko Washio, Editor(s)

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