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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 22 — Oct. 27, 2008
  • pp: 17138–17147

Design of a prism to compensate the angular-shift error of the Acousto-optic Tunable Filter

Sung Yoon Ryu, Jang-Woo You, Yoonkeun Kwak, and Soohyun Kim  »View Author Affiliations

Optics Express, Vol. 16, Issue 22, pp. 17138-17147 (2008)

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The Acousto-Optic Tunable Filter (AOTF) is a high-speed full-field monochromator which generates two spectrally filtered light beams with ordinary and extraordinary polarization state. The angle of diffracted light in an AOTF changes according to the scanning of wavelength, which causes an image shift on a CCD plane. An analytic design of a prism system to compensate for the angular-shift error is proposed in this paper. Analysis of light paths in a prism and experimental results verify a proposed compensation method. Experimental results agreed with simulation results based on the suggested prism model. Angular-shift errors of ordinary and extraordinary rays are simultaneously minimized at optimal conditions with the designed prism.

© 2008 Optical Society of America

OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(160.1050) Materials : Acousto-optical materials

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: August 6, 2008
Revised Manuscript: October 3, 2008
Manuscript Accepted: October 6, 2008
Published: October 13, 2008

Sung Y. Ryu, Jang-Woo You, Yoon K. Kwak, and Soohyun Kim, "Design of a Prism to Compensate the Image-shifting Error of the Acousto-optic Tunable Filter," Opt. Express 16, 17138-17147 (2008)

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