Efficient generation of 3.5W laser light at 515nm by frequency doubling a single-frequency high power DBR tapered diode laser

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Abstract

More than 3.5 W of green light at 515 nm is generated by frequency doubling a single-frequency high power DBR tapered diode laser. The frequency doubling is performed in a cascade of PPMgLN and PPMgSLT crystals in order to reach high power and avoid thermal effects present in PPMgLN at high power. The green light is diffraction limited (M2 <1.1) and single-frequency operation is demonstrated with a linewidth less than 2 pm.
Original languageEnglish
JournalOptics Communications
Volume392
Pages (from-to)167-170
ISSN0030-4018
DOIs
Publication statusPublished - 2017

Keywords

  • Diode lasers
  • Second harmonic generation
  • Tapered diode lasers
  • Visible lasers

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