Broadband and gap-free response of a terahertz system based on a poled polymer emitter-sensor pair
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Zheng, Xuemei; Sinyukov, Alexander; Hayden, L. Michael; Broadband and gap-free response of a terahertz system based on a poled polymer emitter-sensor pair; Applied Physics Letters, 87, 081115, 19 August, 2005; https://doi.org/10.1063/1.2034115
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This article may be downloaded for personal use only. Any other use requires prior permission of the
author and AIP Publishing. This article appeared in Zheng, Xuemei; Sinyukov, Alexander; Hayden, L.
Michael; Broadband and gap-free response of a terahertz system based on a poled polymer emittersensor pair; Applied Physics Letters, 87, 081115, 19 August, 2005; https://doi.org/10.1063/1.2034115
and may be found at https://aip.scitation.org/doi/10.1063/1.2034115.
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This item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
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Abstract
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 ∼800nm, a ∼100-𝜇m thick emitter, and a ∼180-𝜇m thick sensor, the observable bandwidth is ∼12THz. We also present an experimental study, in a systematic manner, on the effect of phase mismatch in the polymer emitter-sensor pair.