Abstract
We propose a holographic technique by which multiwavelength three-dimensional spatial information is obtained with both a single-shot exposure of a monochrome image sensor and an in-line holographic multiplexing scheme. We develop a specially designed monochrome image sensor with a wavelength-dependent phase-modulation array, which is used to obtain the holographic information required for the proposed technique. The proposed technique is applicable for not only laser holography but also spatially and temporally incoherent holography. Its validity is experimentally demonstrated by constructing a color-multiplexed fluorescence digital holographic microscope and a multicolor incoherent digital holography system with a white-light source.
Highlights
We propose a holographic technique by which multiwavelength three-dimensional spatial information is obtained with both a single-shot exposure of a monochrome image sensor and an in-line holographic multiplexing scheme
Digital holographic microscopy (DHM)3,4 is becoming a promising computational 3D microscopy based on the combination of holography5 and digital signal processing
Computational 3D imaging based on digital holography (DH)6–8 has yielded holographic 3D microscopy with a single-pixel detector,9 quantitative phase motion-picture microscopy,10 and quantitative complex-amplitude 3D tomographic sensing
Summary
Digital holographic microscopy (DHM)3,4 is becoming a promising computational 3D microscopy based on the combination of holography5 and digital signal processing. ABSTRACT We propose a holographic technique by which multiwavelength three-dimensional spatial information is obtained with both a single-shot exposure of a monochrome image sensor and an in-line holographic multiplexing scheme. We develop a specially designed monochrome image sensor with a wavelength-dependent phase-modulation array, which is used to obtain the holographic information required for the proposed technique.
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