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Proceedings Article

Second harmonic generation with continuous-wave fiber lasers in periodically poled non-linear crystals

[+] Author Affiliations
Mathieu Jacquemet, David Harnois, Alain Mugnier, David Pureur

Quantel Group (France)

Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 79142C (February 10, 2011); doi:10.1117/12.874541
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From Conference Volume 7914

  • Fiber Lasers VIII: Technology, Systems, and Applications
  • Jay W. Dawson
  • San Francisco, California, USA | January 22, 2011

abstract

We present in this paper second-harmonic generation (SHG) results of narrow-linewidth continuous-wave 1064 nm fiber lasers in periodically-poled crystals. We particularly compare SHG efficiencies that can be obtained in PPLN with single-frequency linearly-polarized fiber lasers and with narrow linewidth longitudinally multimode linearly-polarized fiber lasers. Both infrared lasers can provide around 4.5W at 1064nm. Due to the high number of modes, sum-frequencies between modes enhance the efficiency of multimode SHG by a factor of roughly 2 compared to single-frequency, but green generated radiation suffers from important intensity noise. Conversely, single-frequency SHG is less efficient, but intensity noise is greatly improved.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Mathieu Jacquemet ; David Harnois ; Alain Mugnier and David Pureur
"Second harmonic generation with continuous-wave fiber lasers in periodically poled non-linear crystals", Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 79142C (February 10, 2011); doi:10.1117/12.874541; http://dx.doi.org/10.1117/12.874541


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