DCOOD optically pumped by a13CO2 laser: New terahertz laser lines
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In this work, we report new optically pumped terahertz laser lines from DCOOD. An isotopic 13CO2 laser was used for first time as pump source, and a Fabry-Perot open cavity was used as a terahertz laser resonator. Optoacoustic absorption spectra were used as a guide to search for new terahertz laser lines. We could observe six new laser lines in the range from 303.8μm (0.987 THz) to 725.1μm (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 both for this laser lines. © 2008 American Institute of Physics.
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AIP Conference Proceedings, v. 992, p. 489-491.
