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Proceedings Article

Development of a powerful continuously tunable mid-infrared cw PPLN OPO for trace gas detection

[+] Author Affiliations
Maarten van Herpen, Sacco te Lintel Hekkert, Frans J. M. Harren

Univ. of Nijmegen (Netherlands)

Scott E. Bisson

Sandia National Labs. (USA)

Proc. SPIE 4762, ALT'01 International Conference on Advanced Laser Technologies, 16 (August 9, 2002); doi:10.1117/12.478629
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From Conference Volume 4762

  • ALT'01 International Conference on Advanced Laser Technologies
  • Dan C. Dumitras; Maria Dinescu; Vitali I. Konov
  • Constanta, Romania | September 11, 2001

abstract

A new Optical Parametric Oscillator for the mid infrared wavelength region of 3-3.8 micrometer is developed with an idler output power of more than 1 Watt. The OPO is pumped with a 10 Watt, cw, Nd:YAG Laser and consists of a bowtie ring cavity (FSR 320 MHz) resonating at the signal wavelength. The wavelength is controlled with a fan-out PPLN crystal and a low finesse intracavity Fabry-Perot. The idler output could be tuned over more than 24 Ghz modehop-free, by tuning the pump laser and keep the OPO cavity fixed. Mode hop tuning over 100 Ghz could be obtained changing the length of the intracavity Fabry-Perot. This high power OPO is combined with photoacoustic spectroscopy in order to develop a sensitive trace gas detector for LifeScience applications.

© (2002) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Maarten van Herpen ; Sacco te Lintel Hekkert ; Scott E. Bisson and Frans J. M. Harren
"Development of a powerful continuously tunable mid-infrared cw PPLN OPO for trace gas detection", Proc. SPIE 4762, ALT'01 International Conference on Advanced Laser Technologies, 16 (August 9, 2002); doi:10.1117/12.478629; http://dx.doi.org/10.1117/12.478629


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