Abstract

A compact NICE-OHMS spectrometer based on a narrowband fiber laser has been used for detection of C<sup>2</sup>H<sup>2</sup>down to an integrated absorption of 5×10<sup>-11</sup>cm<sup>-1</sup>in Doppler-broadened and 3×10<sup>-10</sup>cm<sup>-1</sup>in Doppler-free mode of operation.

© 2008 Optical Society of America

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