Blue light generated by intra-cavity frequency doubling of an edge-emitting diode laser with a periodically poled LiNbO3 crystal

Kang Li*, Aiyun Yao, N. J. Copner, C. B.E. Gawith, Ian G. Knight, Hans Ulrich Pfeiffer, Bob Musk

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (SciVal)

Abstract

We demonstrate for the first time to our knowledge intra-cavity frequency doubling (ICFD) of an edge-emitter diode laser using a 10 mmlong 5.0 μm periodically poled LiNbO3 (PPLN) crystal. An optical output power of 33 mW second harmonic blue light at 490.5 nm is generated at 1.0 A injection current, equivalent to an overall wall-plug efficiency of 1.8%. The measured M2 values of blue beam are 1.7 and 2.4 along the fast and slow axis.

Original languageEnglish
Pages (from-to)22073-22080
Number of pages8
JournalOptics Express
Volume17
Issue number24
DOIs
Publication statusPublished - 23 Nov 2009
Externally publishedYes

Keywords

  • Algorithms
  • Crystallization
  • Equipment Design
  • Lasers
  • Lasers, Semiconductor
  • Light
  • Models, Statistical
  • Niobium/chemistry
  • Nonlinear Dynamics
  • Optical Devices
  • Optics and Photonics
  • Oxides/chemistry
  • Temperature

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