New far-infrared emissions and frequency measurements in hydrazine

Year: 2003

Authors: Beverini N., Carelli G., De Michele A., Finotti M., Ioli N., Moretti A.

Autors Affiliation: Univ Pisa, Dipartimento Fis, CNR, IPCF, I-56127 Pisa, Italy
INFM, I-56127 Pisa, Italy

Abstract: By means of a new CO2 laser we performed a new investigation of the far-infrared laser emission spectrum of hydrazine excited by the 10P(32) and 10R(8) CO2 laser lines. We found seven new lines and measured the frequency of four of them; moreover we measured the frequencies of two more lines previously reported in the literature with only wavelength measurements. The frequencies of the far-infrared laser emissions have been measured by means of a frequency-synthesis chain based on new InP Schottky diodes. The detected signal was beat-note generated in a Schottky diode between the far-infrared radiation, the harmonies of a 72 GHz frequency reference and a rf signal. We also characterized all of the observed lines by their polarization relative to the pumping CO2 laser, the optimum pressure and the offset relative to the CO2 center frequency.

Journal/Review: APPLIED PHYSICS B-LASERS AND OPTICS

Volume: 77 (1)      Pages from: 93  to: 95

KeyWords: far infrared
DOI: 10.1007/s00340-003-1249-9

ImpactFactor: 2.012
Citations: 8
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