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Applied Optics

Applied Optics


  • Vol. 43, Iss. 11 — Apr. 10, 2004
  • pp: 2201–2208

Compact liquid-crystal-polymer Fourier-transform spectrometer

Gerben Boer, Patrick Ruffieux, Toralf Scharf, Peter Seitz, and René Dändliker  »View Author Affiliations

Applied Optics, Vol. 43, Issue 11, pp. 2201-2208 (2004)

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We present the optical design and realization of a low-resolution liquid-crystal (LC) Fourier-transform spectrometer (FTS). This FTS is based on a polarization interferometer that has a Wollaston prism made of a LC material as a key component. It has a compact design, a good acceptance angle, and low temperature dependence and can be fabricated with cost-effective LC technology. Because the LC is polymerized, it is robust, and the temperature dependence is drastically reduced. The performance of a compact handheld version of the spectrometer and the characteristics (angular dependence, resolution, stray light, and temperature dependence) will be discussed.

© 2004 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(160.3710) Materials : Liquid crystals
(160.5470) Materials : Polymers
(230.5440) Optical devices : Polarization-selective devices

Original Manuscript: June 18, 2003
Revised Manuscript: January 14, 2004
Published: April 10, 2004

Gerben Boer, Patrick Ruffieux, Toralf Scharf, Peter Seitz, and René Dändliker, "Compact liquid-crystal-polymer Fourier-transform spectrometer," Appl. Opt. 43, 2201-2208 (2004)

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