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Phase-coded volume holographic gratings for spatial–spectral imaging filters |
Optics Letters, Vol. 38, Issue 4, pp. 477-479 (2013)
http://dx.doi.org/10.1364/OL.38.000477
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Abstract
We present a design of phase-contrast filters embedded in a three-dimensional pupil to form phase-coded volume holographic gratings (VHGs) for spatial–spectral imaging. The phase-coded VHG improves image contrast and results in strong filtering properties to acquire weak phase structures of an object. In addition, incorporated with in-plane angle multiplexing, the multiplexed phase-coded VHGs enable obtaining weak phase information from multiple depths of an object. We experimentally demonstrate the multiplexed phase-coded VHGs for spatial–spectral imaging to enhance unstained features of spatial–spectral images of human breast cancer cells.
© 2013 Optical Society of America
OCIS Codes
(090.2890) Holography : Holographic optical elements
(090.7330) Holography : Volume gratings
(110.0180) Imaging systems : Microscopy
(110.4234) Imaging systems : Multispectral and hyperspectral imaging
(090.5694) Holography : Real-time holography
ToC Category:
Holography
History
Original Manuscript: November 26, 2012
Revised Manuscript: January 9, 2013
Manuscript Accepted: January 10, 2013
Published: February 8, 2013
Virtual Issues
Vol. 8, Iss. 3 Virtual Journal for Biomedical Optics
Citation
Se Baek Oh, Zhan-Qian John Lu, Jui-Chang Tsai, Hsi-Hsun Chen, George Barbastathis, and Yuan Luo, "Phase-coded volume holographic gratings for spatial–spectral imaging filters," Opt. Lett. 38, 477-479 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-4-477
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