Abstract

We report on the measurement of a frequency match between the oscillation frequency of the Nd:YAG laser at 1.064 μm and a line in the vibration–rotation spectrum of the CO₂ molecule. The line occurs near the center of the Nd:YAG gain profile and is inferred to be narrow from a knowledge of the CO₂ molecular structure. The significance of the frequency match lies in its application as a reference for absolute-frequency stabilization of the Nd:YAG laser.

© 1992 Optical Society of America

Spectroscopy of methane using a Nd:YAG laser at 1.34 μm

J. C. Scott, R. A. M. Maddever, and A. T. Paton
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