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Optics Letters


  • Vol. 21, Iss. 3 — Feb. 1, 1996
  • pp: 198–200

Blue microchip laser fabricated from Nd:YAG and KNbO3

David G. Matthews, Richard S. Conroy, Bruce D. Sinclair, and Neil MacKinnon  »View Author Affiliations

Optics Letters, Vol. 21, Issue 3, pp. 198-200 (1996)

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A Nd:YAG/KNbO3 composite-material microchip laser has generated blue radiation at 473 nm with output powers of 1 mW when diode laser pumped and 9 mW when Ti:sapphire laser pumped. The fundamental radiation generated by the quasi-three-level 4F3/24I9/2 transition in Nd:YAG at 946 nm was frequency doubled in KNbO3 angle cut to be type I critically phase matched at 45 °C. Despite the normally isotropic nature of Nd:YAG, the fundamental is emitted linearly polarized and orthogonal to the linearly polarized blue radiation.

© 1996 Optical Society of America

Original Manuscript: August 4, 1995
Published: February 1, 1996

David G. Matthews, Neil MacKinnon, Richard S. Conroy, and Bruce D. Sinclair, "Blue microchip laser fabricated from Nd:YAG and KNbO3," Opt. Lett. 21, 198-200 (1996)

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