Tunable 16-micron coherent source including parahydrogen...

Details Tunable 16-micron coherent source including parahydrogen... Tunable 16-micron coherent source including parahydrogen...

H - Electricity

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345/11

H01S 3/03 (2006.01) G02F 1/35 (2006.01) G02F 1/39 (2006.01) H01S 3/30 (2006.01)

Patent

CA 1128180

TUNABLE 16 MICRON COHERENT SOURCE INCLUDING PARAHYDROGEN RAMAN TRANSITION AND METHOD Abstract A coherent tunable narrow band IR source in the vicin- ity of 16 um is achieved by four-wave parametric mixing in parahydrogen. A pair of colinear laser beams, one from a narrow band CO2 laser, and a second from a multiline laser with output of wave number signifi- cantly below 14,400 cm.-1, is focused in a parahydrogen containing cell. The multi-line laser beam drives a Raman process in the cell. The narrow band CO2 input beam mixes with this driver beam and the Stokes wave resulting from the Raman process to produce a 16 um output beam. Tuning of the CO2 laser allows tuning of the 16 um radiation emitted by the parahydrogen cell. YO978-025

335809

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