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Conferences > ASSL > 2000 > WD > WD1

CW blue laser generation by self-sum-frequency mixing in Nd:Ca4GdO(BO3)3 under Ti:Sapphire and diode-pumping

F. Mougel, G. Aka, A. Kahn-Harari, D. Vivien, G. Lucas-Leclin, F. Augé, S. C. Auzanneau, F. Balembois, P. Georges, and A. Brun

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Abstract

We report here the blue light generation in a Nd:Ca4GdO(BO3)3 (Nd:GdCOB) crystal by self-sum frequency mixing. More than 1 mW of cw 465 nm laser emission was achieved with 490 mW of absorbed pump power from a titanium sapphire laser. The blue emission is nearly TEM00, and the laser threshold is very low (a few mW). Up to 100 mW average power was obtained under diode pumping. The performance should be improved by the use of antireflection-coated crystals and suitable mirrors.

© 2000 Optical Society of America

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