New NH2H4 far-infrared laser lines and their frequencies |
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| Authors: | S C Zerbetto L R Zink K M Evenson and E C C Vasconcellos |
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| Institution: | (1) Time and Frequency Division, National Institute of Standards and Technology, 325 Broadway, 80303-3328 Boulder, CO, USA;(2) Cooperative Institute for Research in Environmental Sciences, University of Colorado and NOAA, 80309 Boulder, CO;(3) Present address: Departmento de Eletrônica Quântica, UNICAMP, Instituto de Física "Gleb Wataghin,", 13083-970 Campinas, SP, Brazil |
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| Abstract: | We report 25 new far-infrared laser lines and 26 heterodyne frequency measurements in hydrazine. The frequencies range from 1.0 to 5.5 THz with most of the frequencies between 2.5 and 4.0 THz. The lines were generated in a high frequency, far-infrared Fabry-Perot laser cavity pumped by a CO2 laser. The cavity has a high Q for wavelengths below 150 µm and uses variable coupling to optimize the power for each line.This work has been financed by the Brazilian Government - Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), and by the United States Government - NASA grant W-18, 623.Contribution of NIST, not subject to U.S. copyright. |
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| Keywords: | N2H4 new laser lines far-infrared frequency measurements |
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