Generation of intense tunable far-infrared radiation by use of an optically pumped multipass raman cell

W. Schatz

doi:10.1117/12.2303035

1 January 1994 Generation of intense tunable far-infrared radiation by use of an optically pumped multipass raman cell

W. Schatz

Proceedings Volume 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994; 22500I (1994) https://doi.org/10.1117/12.2303035
Event: Millimeter and Submillimeter Waves and Applications: International Conference, 1994, San Diego, CA, United States

Abstract

Using a continuously tunable CO2 laser we demonstrate the generation of far-infrared radiation by use of a multipass Raman cell. The optical length of the cell was variable between 11 m and 71 m. Pumping the aR(6,K) multiplet in "NI-13, we obtained maximum pulse energies exceeding 7 m.T and far-infrared tuning ranges of more than 3 crirl. Comparing the multipass Raman cell with a 1.2 m long singlepass waveguide far-infrared laser we found an increase of the maximum photon conversion coefficient by a factor of 3 up to a maximum value of :36%.

Citation Download Citation

W. Schatz "Generation of intense tunable far-infrared radiation by use of an optically pumped multipass raman cell", Proc. SPIE 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994, 22500I (1 January 1994); https://doi.org/10.1117/12.2303035

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