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Towards High-Power Terahertz Emitters using Large Aperture ZnSe Photoconductive Antennas

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Abstract

We investigate Terahertz (THz) radiation from a ZnSe large aperture photoconductive antenna (LAPCA). The saturation fluence is seen to be significantly different for above and below band-gap excitation, and in comparison to GaAs substrates, shows strong potential as a high-power THz emitter.

© 2010 Optical Society of America

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