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Modifying the polarization state of terahertz radiation using anisotropic twin-domains in LaAlO_3
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Lloyd-Hughes, James, Jones, S. P. P., Castro-Camus, E., Doig, K. I. and MacManus-Driscoll, J. L. (2014) Modifying the polarization state of terahertz radiation using anisotropic twin-domains in LaAlO_3. Optics Letters, Volume 39 (Number 5). pp. 1121-1124. doi:10.1364/OL.39.001121 ISSN 0146-9592.
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Official URL: http://dx.doi.org/10.1364/OL.39.001121
Abstract
Polarization-resolved terahertz (THz) time-domain spectroscopy was utilized to examine the complex refractive index of lanthanum aluminate (LaAlO3), a rhombohedrally distorted perovskite that exhibits crystallographic twin domains. The uniaxial anisotropy of the refractive index was quantified. The ellipticity of THz radiation pulses after transmission through single domains indicated that LaAlO3 can be used as a quarter- or half-wave plate. The effective anisotropy of [001]-oriented LaAlO3 was found to be reduced when the material exhibited multiple, narrow twin domains.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||
Journal or Publication Title: | Optics Letters | ||||||||
Publisher: | Optical Society of America | ||||||||
ISSN: | 0146-9592 | ||||||||
Official Date: | 18 February 2014 | ||||||||
Dates: |
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Volume: | Volume 39 | ||||||||
Number: | Number 5 | ||||||||
Page Range: | pp. 1121-1124 | ||||||||
DOI: | 10.1364/OL.39.001121 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
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