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Detecting the full polarization state of terahertz transients

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Date

2006

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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.

Description

Keywords

Far infrared, Ion implantation, Photoconductive, Polarization, Receiver, Sensor, Terahertz, Ultrafast

Citation

URI

https://dspace-test.anu.edu.au/handle/1885/733744712

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DevOps Pure Testing

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Conference contribution

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DOI

10.1117/12.660717

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