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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 21 — Oct. 8, 2012
  • pp: 23025–23035

Polarization sensitive terahertz imaging: detection of birefringence and optical axis

Stefan Katletz, Michael Pfleger, Harald Pühringer, Martin Mikulics, Nico Vieweg, Ole Peters, Benedikt Scherger, Maik Scheller, Martin Koch, and Karin Wiesauer  »View Author Affiliations


Optics Express, Vol. 20, Issue 21, pp. 23025-23035 (2012)
http://dx.doi.org/10.1364/OE.20.023025


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Abstract

We present a practicable way to take advantage of the spectral information contained in a broadband terahertz pulse for the determination of birefringence and orientation of the optical axis in a glass fiber reinforced polymer with a single measurement. Our setup employs circularly polarized terahertz waves and a polarization-sensitive detector to measure both components of the electromagnetic field simultaneously. The anisotropic optical parameters are obtained from an analysis of the phase and frequency resolved components of the terahertz field. This method shows a high tolerance against the skew of the detection axes and is also independent of a reference measurement.

© 2012 OSA

OCIS Codes
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(230.5440) Optical devices : Polarization-selective devices
(260.1440) Physical optics : Birefringence
(110.6795) Imaging systems : Terahertz imaging

ToC Category:
Imaging Systems

History
Original Manuscript: July 12, 2012
Revised Manuscript: September 12, 2012
Manuscript Accepted: September 13, 2012
Published: September 24, 2012

Citation
Stefan Katletz, Michael Pfleger, Harald Pühringer, Martin Mikulics, Nico Vieweg, Ole Peters, Benedikt Scherger, Maik Scheller, Martin Koch, and Karin Wiesauer, "Polarization sensitive terahertz imaging: detection of birefringence and optical axis," Opt. Express 20, 23025-23035 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-21-23025


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References

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