Compact intracavity frequency doubled diode laser at 465 nm

Kang Li, Nigel Copner, CBE Gawith, Ian G Knight, Hans-Ulrich Pfeiffer, Bob Musk

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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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.
Original languageEnglish
Title of host publicationN/A
DOIs
Publication statusPublished - 23 Nov 2011
Event Photonics West 2011 - USA
Duration: 23 Jan 201123 Jan 2011

Conference

Conference Photonics West 2011
Period23/01/1123/01/11

Keywords

  • diode laser
  • nonlinear optics
  • laser display

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