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

Maarten van Herpen; Sacco te Lintel Hekkert; Scott E. Bisson; Frans J. M. Harren

doi:10.1117/12.478629

9 August 2002 Development of a powerful continuously tunable mid-infrared cw PPLN OPO for trace gas detection

Maarten van Herpen, Sacco te Lintel Hekkert, Scott E. Bisson, Frans J. M. Harren

Proceedings Volume 4762, ALT'01 International Conference on Advanced Laser Technologies; (2002) https://doi.org/10.1117/12.478629
Event: International Conference on: Advanced Laser Technologies (ALT'01), 2001, Constanta, Romania

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.

Citation Download 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, (9 August 2002); https://doi.org/10.1117/12.478629

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