Ultrabroadband polarization analysis of terahertz pulses
Hussain, A. and Andrews, S. R., 2008. Ultrabroadband polarization analysis of terahertz pulses. Optics Express, 16 (10), pp. 7251-7257.
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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.
|Creators||Hussain, A.and Andrews, S. R.|
|Departments||Faculty of Science > Physics|
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