Polarisation-Sensitive THz Detectors

Details Polarisation-Sensitive THz Detectors Polarisation-Sensitive THz Detectors

2006-02-09

arxiv.org/abs/cond-mat/0602230v1

Physics

Condensed Matter

Other Condensed Matter

2 pages, 3 figures, conference abstract

Scientific paper

We have developed a detector of coherent terahertz (THz) radiation that can recover the full polarisation state of a THz transient. The device is three-contact photoconductive receiver, which is capable of recording two time-varying electric field components of a THz pulse simultaneously. Our receiver was fabricated on Fe+ implanted InP and showed a cross-polarised extinction ratio greater than 100:1. The detector will be useful for spectroscopy of birefringent and optically active materials.

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