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Proceedings Paper

Compact intracavity frequency doubled diode laser at 465 nm
Author(s): Kang Li; N. J. Copner; C. B. E. Gawith; Ian G. Knight; Hans-Ulrich Pfeiffer; Bob Musk
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Paper Abstract

Intra-cavity frequency doubling (ICFD) of an extended cavity 49-emitters edge-emitting laser bar has been demonstrated in a quasi-phase matching MgO-doped periodically poled lithium niobate (MgO: PPLN) bulk crystal. A maximum of 1 W of second-harmonic light at 465 nm is generated at an operating injection current of 45 A with the optimal phase-matching MgO:PPLN temperature of 50.4 °C. To increase the efficiency further, careful design of the lens used on the fast and slow axis beam waists and use of lower-temperature MgO:PPLN planar-waveguide array can be considered.

Paper Details

Date Published: 4 March 2011
PDF: 6 pages
Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 791220 (4 March 2011); doi: 10.1117/12.873588
Show Author Affiliations
Kang Li, Univ. of Glamorgan (United Kingdom)
N. J. Copner, Univ. of Glamorgan (United Kingdom)
C. B. E. Gawith, Covesion Ltd. (United Kingdom)
Ian G. Knight, Oclaro Technology Ltd. (United Kingdom)
Hans-Ulrich Pfeiffer, Oclaro AG (Switzerland)
Bob Musk, Gooch & Housego (United Kingdom)


Published in SPIE Proceedings Vol. 7912:
Solid State Lasers XX: Technology and Devices
W. Andrew Clarkson; Norman Hodgson; Ramesh Shori, Editor(s)

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