Frequency conversion for blue laser emission in Gd1−xYxCOB

E. Reino; E. Verdier; G. Aka; J.M. Benitez; D. Vivien

doi:10.1364/ASSL.2002.MB2

Advanced Solid-State Lasers
Trends in Optics and Photonics Series (Optica Publishing Group, 2002),
paper MB2
•https://doi.org/10.1364/ASSL.2002.MB2

Frequency conversion for blue laser emission in Gd_1−xY_xCOB

E. Reino, E. Verdier, G. Aka, J.M. Benitez, and D. Vivien

Advanced Solid State Lasers 2002

Québec City Canada
3–6 February 2002
ISBN: 1-55752-697-4

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Nonlinear Conversion and Fiber Optics (MB)

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E. Reino, E. Verdier, G. Aka, J. M. Benitez, and D. Vivien, "Frequency conversion for blue laser emission in Gd1−xYxCOB," in Advanced Solid-State Lasers, M. Fermann and L. Marshall, eds., Vol. 68 of Trends in Optics and Photonics Series (Optica Publishing Group, 2002), paper MB2.

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Abstract

Type-I noncritically phase-matched second harmonic generation was studied in Gd_1−xY_xCOB. The highest frequency doubling efficient composition at 946 nm (with x =0.13) has been found to date for type-I non-critical phase matching along Z. The Czochralski pulling method gives a good optical crystal. The very first intracavity frequency doubling experiment with Gd₀.₈₇Y_0.13COB produced 31 μW of blue light by of Nd: YAG emitting at 946 nm 29% and 16% more efficient than GdCOB and YCOB, The angular acceptances have been measured and give 9.3, 1.9 and 1.0 mrad.cm for Gd_0.87Y₀.₈₇COB, GdCOB and YCOB respectively.

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