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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 14 — Jul. 7, 2008
  • pp: 10234–10239

Spectral resolution enhancement of acousto-optic tunable filter by double-filtering

Chunguang Zhang, Zhonghua Zhang, Hao Wang, and Yu Yang  »View Author Affiliations

Optics Express, Vol. 16, Issue 14, pp. 10234-10239 (2008)

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The development of the large angular aperture noncollinear acousto-optic tunable filter (AOTF) is based on the parallel tangents momentum-matching condition. In this letter, we have introduced a special double-filtering method that leads to an enhancement of the spectral resolution. And the birefringence together with the rotatory property of the interaction material has been considered to ensure the accuracy of designing an AOTF. The principle and availability of double-filtering are discussed in detail. It is confirmed that double-filtering method is effective to enhance the spectral resolution on the condition of keeping the quality of imaging, which is significant in practical applications of imaging AOTF.

© 2008 Optical Society of America

OCIS Codes
(220.0220) Optical design and fabrication : Optical design and fabrication
(230.1040) Optical devices : Acousto-optical devices

ToC Category:
Optical Devices

Original Manuscript: April 28, 2008
Revised Manuscript: June 19, 2008
Manuscript Accepted: June 20, 2008
Published: June 25, 2008

Chunguang Zhang, Zhonghua Zhang, Hao Wang, and Yu Yang, "Spectral resolution enhancement of acousto-optic tunable filter by double-filtering," Opt. Express 16, 10234-10239 (2008)

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