Abstract

Twelve new optically pumped far-infrared (FIR) laser lines is reported from CH<sub>3</sub>OH and 19 from <sup>13</sup>CH<sub>3</sub>OH. A <sup>13</sup>CO<sub>2</sub> laser was used as pump source, and a Fabry-Perot cavity was used as a FIR laser resonator.

© 2007 Optical Society of America

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