Intracavity frequency-doubled diode-pumped Nd : LaSc3(BO3)4 lasers |
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| Authors: | V G Ostroumov F Heine S Kück G Huber V A Mikhailov I A Shcherbakov |
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| Institution: | Universit?t Hamburg, Institut für Laser-Physik, Jungiusstra?e 9a, 20355 Hamburg, Germany (Fax: +49-40/4123-6281, E-mail: heine@physnet.uni-hamburg.de), DE
General Physics Institute, Academy of Sciences of Russia, Vavilov Str. 38, 117942, Moscow, Russia, RU
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| Abstract: | An intracavity frequency-doubled 10%Nd : LaSc3(BO3)4 (Nd : LSB) laser was investigated in different resonator configurations and in different operation modes under continuous
wave (cw) and quasi-cw laser-diode pumping. With a Cr4+ : YAG passive modulator and a KTP crystal the second-harmonic output power at 531 nm amounted to 190 mW in Q-switched TEM00 mode at 750 mW of pump power. In a sandwich resonator, when all the optical elements were in direct contact with each other,
0.8 W of green output power was obtained in cw mode under 2.7 W of pump power with a slope efficiency of 44%. In the same
setup under fiber-coupled diode-laser array pumping (5.6 W of incident power), 1.2 W of green output power was achieved in
cw mode and 1.4 W in quasi-cw mode.
Received: 30 April 1996/Revised version: 1 July 1996 |
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| Keywords: | PACS: 42 60B 42 65 42 70 |
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