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

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

Research output: Contribution to journalArticlepeer-review

71 Downloads (Pure)

Abstract

We demonstrate for the first time to our knowledge intra-cavity frequency doubling (ICFD) of an edge-emitter diode laser using a 10 mm-long 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 - 18 Nov 2009

Keywords

  • diode lasers
  • shg
  • blue laser
  • Laser resonators
  • Frequency conversion
  • Nonlinear optics, devices

Fingerprint

Dive into the research topics of 'Blue light generated by intra-cavity frequency doubling of an edge-emitting diode laser with a periodically poled LiNbO3 crystal'. Together they form a unique fingerprint.

Cite this