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Type: Artigo de periódico
Title: Dcood Optically Pumped By A 13co2 Laser: New Terahertz Laser Lines
Author: Viscovini R.C.
Moraes J.C.S.
Costa L.F.L.
Cruz F.C.
Pereira D.
Abstract: In this work we report on new optically pumped THz laser lines from deuterated formic acid (DCOOD). An isotopic 13CO2 laser was used for the first time as a pump source for this molecule, and a Fabry-Perot cavity was used as a THz laser resonator. Optoacoustic absorption spectra were used as a guide to search for new THz laser lines. We could observe six new laser lines in the range from 303.8 μm (0.987 THz) to 725.1 μm (0.413 THz). The lines were characterized according to wavelength, relative polarization, relative intensity, and optimum working pressure. The transferred lamb-dip technique was used to measure the frequency absorption transition for both of these laser lines. Furthermore, we also present a catalogue of all THz laser lines generated from DCOOD. © 2008 Springer-Verlag.
Rights: fechado
Identifier DOI: 10.1007/s00340-008-3018-2
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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