Ultrabroadband polarization analysis of terahertz pulses

A Hussain; Steven R Andrews

doi:10.1364/OE.16.007251

Ultrabroadband polarization analysis of terahertz pulses

A Hussain
, Steven R Andrews

Department of Physics

Research output: Contribution to journal › Article › peer-review

40 Citations (SciVal)

Abstract

We describe the characteristics of a sensitive photoconductive detector that simultaneously measures orthogonal electric field components of electromagnetic transients with bandwidths up to 30 THz. The device consists of an As+ implanted GaAs photoconducting region at the centre of a pair of perpendicular bow-tie antennas. The performance is illustrated by studies of optical rectification in GaSe, retardation in a birefringent polymer film and THz emission from impulsively excited optical phonons in GaN.

Original language	English
Pages (from-to)	7251-7257
Number of pages	7
Journal	Optics Express
Volume	16
Issue number	10
Early online date	4 May 2008
DOIs	https://doi.org/10.1364/OE.16.007251
Publication status	Published - 12 May 2008

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abstract = "We describe the characteristics of a sensitive photoconductive detector that simultaneously measures orthogonal electric field components of electromagnetic transients with bandwidths up to 30 THz. The device consists of an As+ implanted GaAs photoconducting region at the centre of a pair of perpendicular bow-tie antennas. The performance is illustrated by studies of optical rectification in GaSe, retardation in a birefringent polymer film and THz emission from impulsively excited optical phonons in GaN.",

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AB - We describe the characteristics of a sensitive photoconductive detector that simultaneously measures orthogonal electric field components of electromagnetic transients with bandwidths up to 30 THz. The device consists of an As+ implanted GaAs photoconducting region at the centre of a pair of perpendicular bow-tie antennas. The performance is illustrated by studies of optical rectification in GaSe, retardation in a birefringent polymer film and THz emission from impulsively excited optical phonons in GaN.

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UR - http://dx.doi.org/10.1364/OE.16.007251

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DO - 10.1364/OE.16.007251

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VL - 16

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JO - Optics Express

JF - Optics Express

IS - 10

ER -

Ultrabroadband polarization analysis of terahertz pulses

Abstract

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