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http://dx.doi.org/10.3807/JOSK.2004.8.1.001

Saturated Absorption Spectroscopy of 13C2H2 in the Near Infrared Region  

Moon, H. S. (Center for Information and Telecommunication Standards, Korea Research Institute of Standards and Science)
Lee, W. K. (Center for Information and Telecommunication Standards, Korea Research Institute of Standards and Science)
Suh, H. S. (Center for Information and Telecommunication Standards, Korea Research Institute of Standards and Science)
Publication Information
Journal of the Optical Society of Korea / v.8, no.1, 2004 , pp. 1-5 More about this Journal
Abstract
Using the external cavity spectroscopy method, we have observed the saturated absorption spectrum of the P(16) line of the v$_1$+v$_3$ band of $^{13}C$_2$H$_2$$. The frequency of a laser has been stabilized to the saturated absorption spectrum. The relative contrast of the saturation spectrum is about 7% with respect to the linear absorption and the linewidth is about 1.8 MHz. The frequency fluctuation of the stabilized LD is about $\pm$ 20 KHz for a sampling time of 100 ms.
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