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  • CLEO/Europe and EQEC 2011 Conference Digest
  • OSA Technical Digest (CD) (Optica Publishing Group, 2011),
  • paper CC_P10

Tunable THz source with less than 100 GHz bandwidth

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Abstract

A tunable THz source for remote sensing has been realized using difference frequency generation of the signal and idler wavelengths of a BBO based optical parametric oscillator [1]. THz pulses with frequencies 1 – 20 THz and a bandwidth of less than 100 GHz are produced in two operational modes via difference frequency generation (DFG) process by mixing two infrared waves in novel organic crystals with extremely high optical nonlinearities (DSTMS and OH1) [2]. One operational mode is at a fixed THz wavelength of 1.25 THz for high output powers using OH1 as organic material for stand-off applications, and the second mode is for tuning between 1 – 20 THz using the organic crystal DSTMS for spectroscopy applications. The optimum wavelength range in view of the material properties of DSTMS and OH1 is centered at 1400 nm.

© 2011 Optical Society of America

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