Confocal-rainbow volume holographic imaging system
نویسندگان
چکیده
منابع مشابه
Confocal Imaging Through Scattering Media with a Volume Holographic Filter
The use of a volume holographic filter as collector element in a confocal system imaging through scattering (turbid) material is described. We show that the penetration depth of the volume holographic system is de-coupled from the scatter noise discrimination properties, and is potentially more advantageous than the traditional confocal microscope. Since the volume-holographic filter is a match...
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We describe a modified confocal microscope in which depth discrimination results from matched filtering by a volume hologram instead of a pinhole filter. The depth resolution depends on the numerical aperture of the objective lens and the thickness of the hologram, and the dynamic range is determined by the diffraction efficiency. We calculate the depth response of the volume holographic confoc...
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A volume hologram has two degenerate Bragg-phase-matching dimensions and provides the capability of volume holographic imaging. We demonstrate two volume holographic imaging architectures and investigate their imaging resolution, aberration, and sensitivity. The first architecture uses the hologram directly as an objective imaging element where strong aberration is observed and confirmed by sim...
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We report on a volume holographic imaging spectrometer (VHIS) system which allows retrieval of a scene's twodimensional spatial information as well as its spectral information. This is performed using a transmission volume hologram and a simple rotary scanning mechanism. The system has the advantages of high spectral and spatial resolutions and the potential of single-shot, four-dimensional (3D...
متن کاملOptical Design for a Spatial-Spectral Volume Holographic Imaging System.
Spatial Spectral Holographic imaging system (S(2)-VHIS) is a promising alternative to confocal microscopy due to its capabilities to simultaneously image several sample depths with high resolution. However, the field of view of previously presented S(2)-VHIS prototypes has been restricted to less than 200μm. This paper presents experimental results of an improved S(2)-VHIS design which have a f...
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ژورنال
عنوان ژورنال: Applied Optics
سال: 2011
ISSN: 0003-6935,1539-4522
DOI: 10.1364/ao.50.001382