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Proceedings Paper

High-average power Nd:YVO4 regenerative amplifier seeded by a gain switched diode laser
Author(s): Markus Lührmann; Florian Harth; Christian Theobald; Thorsten Ulm; Ralf Knappe; Achim Nebel; Andreas Klehr; Götz Erbert; Johannes A. L'huillier
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Paper Abstract

We report on a Nd:YVO4 regenerative amplifier (RA), end pumped by 888 nm-diode lasers. The output power was about 46W at repetition rates from 150 to 833kHz with an M2-factor of 1.2. The amplifier was seeded by a gain switched diode laser, generating pulses with a duration of 65 ps and a pulse energy of ≈ 5 pJ. The high gain of the RA of more than 70 dB provides amplified pulse energies as high as 180μJ. Bifurcations of the pulse energy could be avoided. Pulse amplitude fluctuations of only 1.2% for 10,000 consecutive pulses were measured. The long term output power stability of the laboratory setup was 0.3%.

Paper Details

Date Published: 16 February 2011
PDF: 8 pages
Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 791210 (16 February 2011); doi: 10.1117/12.874203
Show Author Affiliations
Markus Lührmann, Photonik-Zentrum Kaiserslautern e.V. (Germany)
Florian Harth, Photonik-Zentrum Kaiserslautern e.V. (Germany)
Christian Theobald, Photonik-Zentrum Kaiserslautern e.V. (Germany)
Thorsten Ulm, Photonik-Zentrum Kaiserslautern e.V. (Germany)
Ralf Knappe, LUMERA LASER GmbH (Germany)
Achim Nebel, LUMERA LASER GmbH (Germany)
Andreas Klehr, Ferdinand-Braun-Institut (Germany)
Götz Erbert, Ferdinand-Braun-Institut (Germany)
Johannes A. L'huillier, Photonik-Zentrum Kaiserslautern e.V. (Germany)


Published in SPIE Proceedings Vol. 7912:
Solid State Lasers XX: Technology and Devices
W. Andrew Clarkson; Norman Hodgson; Ramesh Shori, Editor(s)

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