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Publication Citation: Phase-Coded Volume Holographic Gratings for Spatial-Spectral Imaging Filters

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Author(s): John Lu;
Title: Phase-Coded Volume Holographic Gratings for Spatial-Spectral Imaging Filters
Published: February 15, 2013
Abstract: We present a design of phase contrast filters embedded in a three-dimensional (3D) pupil to form phase-coded volume holographic gratings (VHG) 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. © 2012 Optical Society of America OCIS Codes: 090.7330, 090.2890, 090.5694, 110.0180, 110.4234
Citation: Optics Letters
Volume: 38
Issue: 4
Pages: 3 pp.
Keywords: 3D Imaging, Optical Imaging, Image Quality, Holography
Research Areas: Statistics
DOI: http://dx.doi.org/10.1364/OL.38.000477  (Note: May link to a non-U.S. Government webpage)