Lu, J.
(2013),
Phase-Coded Volume Holographic Gratings for Spatial-Spectral Imaging Filters, Optics Letters, [online], https://doi.org/10.1364/OL.38.000477
(Accessed December 15, 2024)
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Phase-Coded Volume Holographic Gratings for Spatial-Spectral Imaging Filters
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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, 110.4234Citation
Optics Letters
Volume
38
Issue
4
Pub Type
Journals
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Keywords
3D Imaging, Optical Imaging, Image Quality, Holography
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Created February 15, 2013, Updated November 10, 2018