High-average power Nd:YVO4 regenerative amplifier seeded by a gain switched diode laser

Markus Lührmann; Florian Harth; Christian Theobald; Thorsten Ulm; Ralf Knappe; Achim Nebel; Andreas Klehr; Götz Erbert; Johannes A. L'huillier

doi:10.1117/12.874203

15 February 2011 High average power Nd:YVO₄ regenerative amplifier seeded by a gain switched diode laser

Markus Lührmann, Florian Harth, Christian Theobald, Thorsten Ulm, Ralf Knappe, Achim Nebel, Andreas Klehr, Götz Erbert, Johannes A. L'huillier

Author Affiliations +

Proceedings Volume 7912, Solid State Lasers XX: Technology and Devices; 791210 (2011) https://doi.org/10.1117/12.874203
Event: SPIE LASE, 2011, San Francisco, California, United States

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%.

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Markus Lührmann, Florian Harth, Christian Theobald, Thorsten Ulm, Ralf Knappe, Achim Nebel, Andreas Klehr, Götz Erbert, and Johannes A. L'huillier "High average power Nd:YVO₄ regenerative amplifier seeded by a gain switched diode laser", Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 791210 (15 February 2011); https://doi.org/10.1117/12.874203

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