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Coherent Light Source, Widely Tunable down to 16 mu M by Stimulated Raman Scattering

机译：相干光源，通过受激拉曼散射可广泛调节至16μm

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Molecular isotope separation can consist of an infra-red selective excitation in a vibrational level followed by one or more steps leading to an irreversible dissociative state of the molecule. An infra-red emission tunable down to 16 micrometers is produced by a hydrogen Stokes shifted dye laser. The peak power measured at 16 micrometers is of ca. 50kw in 2ns within a one millimeter diameter beam. The corresponding light flux of the order of 5MW.cm exp -2 could allow a multi-step vibrational excitation of molecules absorbing down to 16 micrometers. Simultaneous emissions from the laser and from the previous Stokes bands are available at: 0.76, 1.62, 2.09 micrometers with respective peak powers of 550, 50 and 20MW. Spectral widths of 0.8cm exp -1 and of ca. 7.10 exp -2 cm exp -1 are obtained for the dye laser and for each of the Stokes band respectively. (Atomindex citation 09:398605)

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