Optically pumped 13CD3I: new TeraHertz laser transitions |
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| Authors: | A De Michele A Moretti and D Pereira |
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| Institution: | (1) Dipartimento di Fisica dell’Universit? di Pisa and CNISM, Largo Pontecorvo 3, 56127 Pisa, Italy;(2) D?partement Mesures Physiques de Grenoble, Universit? Joseph Fourier, Grenoble, France;(3) Dipartimento di Fisica dell’Universit? di Pisa and IPCF-CNR, Pisa, Italy |
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| Abstract: | We investigated the 13CD3I isotopomer of methyl iodide as a source of TeraHertz laser radiation using the optical pumping technique. We used a pulsed
waveguide CO2 laser as the pump laser and an open Fabry–Pérot cavity for new laser line generation. We discovered 18 new laser lines with
wavelengths ranging from 308.4 to 1132.7 μm, plus two lines previously assigned to 12CD3I. All of the lines were characterized in wavelength, pump frequency offset, optimum pressure of operation, and relative polarization
and intensity. |
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