Wavelength modulation detection of trace gas using a Fabry-Perot cavity

Yotsumi Yoshii; Hiroaki Kuze; Nobuo Takeuchi

The 4th Pacific Rim Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2001),
paper MG1_3

Wavelength modulation detection of trace gas using a Fabry-Perot cavity

Yotsumi Yoshii, Hiroaki Kuze, and Nobuo Takeuchi

Conference on Lasers and Electro-Optics/Pacific Rim 2001

Chiba Japan
15–19 July 2001
ISBN:

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Advanced Photonic Sensing-1 [Room G] (MG1)

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Y. Yoshii, H. Kuze, and N. Takeuchi, "Wavelength modulation detection of trace gas using a Fabry-Perot cavity," in The 4th Pacific Rim Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2001), paper MG1_3.

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Abstract

We report on wavelength modulation detection of trace amount of acetylene at 1.5 μm. A Fabry-Perot cavity (FPC) is employed to enhance the effective absorption length. The wavelength modulation is applied by synchronously modulating the laser cavity and the FPC cell.

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