Trace-gas detection based on temperature-tuning periodically poled MgO: LiNbO3 optical parametric oscillator

J. Kong; C. C. Chan; D. Y. Tang; N. Ni; B. Zhao

doi:10.1117/12.685085

18 October 2006 Trace-gas detection based on the temperature-tuning periodically poled MgO: LiNbO₃ optical parametric oscillator

J. Kong, C. C. Chan, D. Y. Tang, N. Ni, B. Zhao

Author Affiliations +

Proceedings Volume 6379, Photonic Applications for Aerospace, Transportation, and Harsh Environments; 637905 (2006) https://doi.org/10.1117/12.685085
Event: Optics East 2006, 2006, Boston, Massachusetts, United States

Abstract

We report on the use of the temperature-tuned optical parametric oscillator for trace gas detection. A synchronization trace gas detection system was designed and demonstrated, in which the measuring errors caused by the instability of the OPO could be greatly reduced. The trace gas detection system was based on a periodically poled MgO-doped LiNbO3 optical parametric oscillator (OPO) which was pumped by a diode-pumped passively Q-switched Nd:GdVO4 laser. The OPO could produce wavelength-tunable signal output through changing the crystal temperature and the grating periods. The usefulness of the trace gas detection system for spectroscopy was demonstrated by directly measuring the photon absorption spectrum of the methane and acetylene gas cells.

Citation Download Citation

J. Kong, C. C. Chan, D. Y. Tang, N. Ni, and B. Zhao "Trace-gas detection based on the temperature-tuning periodically poled MgO: LiNbO₃ optical parametric oscillator", Proc. SPIE 6379, Photonic Applications for Aerospace, Transportation, and Harsh Environments, 637905 (18 October 2006); https://doi.org/10.1117/12.685085

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