Optoacoustic Laser Stark spectroscopy and FIR laser action on CH<sub>3</sub>Br using a waveguide CO<sub>2</sub> laser期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Optoacoustic Laser Stark spectroscopy and FIR laser action on CH₃Br using a waveguide CO₂ laser

Authors:	M. Inguscio S. Marchetti A. Moretti F. Strumia

Affiliation:	(1) Istituto di Fisica dell'Università, Pisa, Italy;(2) Present address: Laboratorio di Spettroscopia del CNEN, Frascati, Italy

Abstract:	The optoacoustic spectrum of CH₃Br around 10 m band lines of a tunable cw waveguide CO₂ laser is investigated. Several new infrared absorptions are observed and most of the correspond ing molecular transitions are assigned. Far infra red laser action is reported by pumping with the same CO₂ laser: pump offsets are given using the Transferred Lambs dip (TLD) technique. A new FIR laser emission is obtained and assigned. An optoacoustic Laser Stark spectroscopy technique is used to investigate off resonance infrared tran sitions.

Keywords:	CH₃Br, CO₂ waveguide laser optoacoustic laser Stark spectroscopy new FIR laser emission Transferred Lamb dip
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