High-frequency far-infrared laser lines of optically pumped CH{sub 3}OH

Conference · Sun Dec 31 00:00:00 EST 1995

OSTI ID:456928

Vasconcellos, E C.C.; Zerbetto, S C; Zink, L R ^[1]

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1. National Institute of Standards and Technology, Boulder, CO (United States); and others

The authors have measured 12 far-infrared laser frequencies of optically pumped CH{sub 3}OH, 6 of which are new lines. The frequencies range from 2.8 to 11.4 THz, with ten lines having frequencies higher than 7 THz. Two frequency stabilized CO{sub 2} lasers were used as standards for the heterodyne measurements. The frequency of the 26.4 {mu}m line at 11.4 THz is the highest ever measured with this technique. The lines were generated in a high-frequency far-infrared Fabry-Perot laser cavity pumped by a CO{sub 2} laser. The cavity has a high Q for wavelengths below 150 {mu}m, and uses variable coupling to optimize the cavity for each line.

• OSTI ID: 456928
• Report Number(s): CONF-9506113-; TRN: 96:005788-0088
• Resource Relation: Conference: 50. symposium on molecular spectroscopy, Columbus, OH (United States), 12-16 Jun 1995; Other Information: PBD: 1995; Related Information: Is Part Of Ohio State University 50th international symposium on molecular spectroscopy; PB: 371 p.
• Country of Publication: United States
• Language: English

Related Subjects

40 CHEMISTRY
METHANOL
LASER SPECTROSCOPY
FAR INFRARED RADIATION
ABSORPTION SPECTROSCOPY