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Diode-pumped continuous wave operation and passively Q-switched performances of a Nd:Sc2SiO5 laser crystal at 1.08 microns

โœ Scribed by K.J. Yang; S.Z. Zhao; G. Zhang; K. Cheng; G.Q. Li; D.C. Li; J.L. Xu; J.L. He; L.H. Zheng; F. Wu; Q.G. Wang; L.B. Su; J. Xu

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
110 KB
Volume
9
Category
Article
ISSN
1612-2011

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โœฆ Synopsis

Diode pumped continuous wave operation and passively Q-switched performances of a Nd:Sc2SiO5 laser crystal at 1.08 microns have been demonstrated. A maximum continuous wave average output power up to 1.86 W has been obtained, corresponding to an optical conversion efficiency of 20.7% and a slope efficiency of 30.4% with respect to the absorbed pump power. With a Cr 4+ :YAG wafer used as the saturable absorber, a passively Q-switched Nd:Sc 2 SiO 5 laser generated a pulse as short as 22.5 ns at a repetition rate of 20 kHz. The maximum pulse energy of 44.8 ฮผJ was achieved, corresponding to a maximum pulse peak power of 1.66 kW.

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