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Proceedings Article

Detecting the full polarization state of terahertz transients

[+] Author Affiliations
E. Castro-Camus, J. Lloyd-Hughes, M. B. Johnston

Univ. of Oxford (United Kingdom)

M. D. Fraser, H. H. Tan, C. Jagadish

Australian National Univ. (Australia)

Proc. SPIE 6120, Terahertz and Gigahertz Electronics and Photonics V, 61200Q (March 07, 2006); doi:10.1117/12.660717
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From Conference Volume 6120

  • Terahertz and Gigahertz Electronics and Photonics V
  • R. Jennifer Hwu; Kurt J. Linden
  • San Jose, CA | January 21, 2006

abstract

We have developed a detector which records the full polarization state of a terahertz (THz) pulse propagating in free space. The three-electrode photoconductive receiver simultaneously records the electric field of an electromagnetic pulse in two orthogonal directions as a function of time. A prototype device fabricated on Fe+ ion implanted InP exhibited a cross polarized extinction ratio better than 390:1. The design and optimization of this device are discussed along with its significance for the development of new forms of polarization sensitive time domain spectroscopy, including THz circular dichroism spectroscopy.

© (2006) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

E. Castro-Camus ; J. Lloyd-Hughes ; M. D. Fraser ; H. H. Tan ; C. Jagadish, et al.
"Detecting the full polarization state of terahertz transients", Proc. SPIE 6120, Terahertz and Gigahertz Electronics and Photonics V, 61200Q (March 07, 2006); doi:10.1117/12.660717; http://dx.doi.org/10.1117/12.660717


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