Broadband and gap-free response of a terahertz system based on a poled polymer emitter-sensor pair
نویسندگان
چکیده
We present a terahertz THz system based on a poled electro-optic EO polymer emitter-sensor pair for the generation and detection of broadband electromagnetic pulses free of spectral gaps. The gap-free THz spectrum obtained from the system is attributed to the amorphous form of the EO polymer films. Using 50-fs laser pulses centered at 800 nm, a 100m thick emitter, and a 180m thick sensor, the observable bandwidth is 12 THz. We also present an experimental study, in a systematic manner, on the effect of phase mismatch in the polymer emitter-sensor pair. © 2005 American Institute of Physics. DOI: 10.1063/1.2034115
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