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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 46, Iss. 7 — Mar. 1, 2007
  • pp: 1081–1088

Development and characterization of two-transducer imaging acousto-optic tunable filters with extended tuning range

Neelam Gupta and Vitaly B. Voloshinov  »View Author Affiliations

Applied Optics, Vol. 46, Issue 7, pp. 1081-1088 (2007)

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We developed two high-quality large-aperture acousto-optic tunable filter cells in TeO 2 with more than two octaves spectral coverage for hyperspectral imaging applications from the visible to the midwave infrared: the first cell covers from 0.43 to 2.1 μm and the second from 0.69 to 4.0 μm . The key feature of these cells is a special design of two transducers in tandem with a special bonding technique that results in such a wide spectral coverage with virtually no acoustic and electrical loss due to careful matching of both acoustic and electrical impedances. Each of these cells has high spectral transmission, as well as low power requirement. We discuss the design, characterization, and performance results for these cells.

© 2007 Optical Society of America

OCIS Codes
(110.0110) Imaging systems : Imaging systems
(230.1040) Optical devices : Acousto-optical devices

Original Manuscript: July 19, 2006
Manuscript Accepted: October 1, 2006
Published: February 12, 2007

Virtual Issues
Vol. 2, Iss. 4 Virtual Journal for Biomedical Optics

Neelam Gupta and Vitaly B. Voloshinov, "Development and characterization of two-transducer imaging acousto-optic tunable filters with extended tuning range," Appl. Opt. 46, 1081-1088 (2007)

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