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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 3, Iss. 4 — Apr. 23, 2008

Optimization of multiplexed holographic gratings in PQ-PMMA for spectral-spatial imaging filters

Yuan Luo, Paul J. Gelsinger, Jennifer K. Barton, George Barbastathis, and Raymond K. Kostuk  »View Author Affiliations


Optics Letters, Vol. 33, Issue 6, pp. 566-568 (2008)
http://dx.doi.org/10.1364/OL.33.000566


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Abstract

Holographic gratings formed in thick phenanthrenquinone- (PQ-) doped poly(methyl methacrylate) (PMMA) can be made to have narrowband spectral and spatial transmittance filtering properties. We present the design and performance of angle-multiplexed holographic filters formed in PQ-PMMA at 488 nm and reconstructed with a LED operated at ~630 nm. The dark delay time between exposure and the preillumination exposure of the polymer prior to exposure of the holographic area are varied to optimize the diffraction efficiency of multiplexed holographic filters. The resultant holographic filters can enhance the performance of four-dimensional spatial-spectral imaging systems. The optimized filters are used to simultaneously sample spatial and spectral information at five different depths separated by 50 μm within biological tissue samples.

© 2008 Optical Society of America

OCIS Codes
(090.2890) Holography : Holographic optical elements
(090.4220) Holography : Multiplex holography
(090.7330) Holography : Volume gratings
(110.0110) Imaging systems : Imaging systems
(160.0160) Materials : Materials

ToC Category:
Holography

History
Original Manuscript: November 19, 2007
Revised Manuscript: January 26, 2008
Manuscript Accepted: February 6, 2008
Published: March 11, 2008

Virtual Issues
Vol. 3, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Yuan Luo, Paul J. Gelsinger, Jennifer K. Barton, George Barbastathis, and Raymond K. Kostuk, "Optimization of multiplexed holographic gratings in PQ-PMMA for spectral-spatial imaging filters," Opt. Lett. 33, 566-568 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-33-6-566

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