Terahertz generation with tandem seeded optical parametric generators
Optics Letters, Vol. 30, Issue 6, pp. 640-642 (2005)
http://dx.doi.org/10.1364/OL.30.000640
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Abstract
A simple difference frequency generation (DFG) scheme based on two seeded optical parametric generators is presented as a tunable terahertz (THz) source. Using the nonlinear optical crystal 4-dimethylamino-N-methyl-4-stilbazolium-tosylate (DAST) as the DFG crystal, our system has demonstrated continuous and seamless tunable operation from 1.6 to 4.5 THz. The output bandwidth of the THz source is 2.4 GHz. The utility of the source over this spectral range is demonstrated by measuring a high-resolution transmission spectrum of water vapor in air.
© 2005 Optical Society of America
OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing
Citation
P. E. Powers, R. A. Alkuwari, J. W. Haus, K. Suizu, and H. Ito, "Terahertz generation with tandem seeded optical parametric generators," Opt. Lett. 30, 640-642 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-6-640
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