منابع مشابه
Teaching Holography: Holography as a Teaching Tool
The holo-diagram is a diagram originally designed as a tool for teaching the making and evaluation of holograms. It was soon found to include much more general uses than first expected. During the 20 years since its introduction we have applied this diagram to explain many different fields such as holography, interferometry, diffraction. Fermat's principle, light-in-flight recordings, threedime...
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We present a method of enhancing the diffraction efficiency of a hologram by placing it inside a resonant optical cavity. The diffraction efficiency improves on account of the multiple passes that the incident light undergoes inside the optical cavity. The resonance condition in this case turns out to involve both mirror reflectivity and the optical path length inside the cavity. Experimental r...
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A new method for recording holograms using incoherent light is described. The method is based on optical propagation through birefringent crystals. Optical methods for the reconstruction of such a hologram are also presented.
متن کاملCosmic Holography
A version of holographic principle for the cosmology is proposed, which dictates that the particle entropy within the cosmological apparent horizon should not exceed the gravitational entropy associated with the apparent horizon. It is shown that, in the Friedmann-Robertson-Walker (FRW) cosmology, the open Universe as well as a restricted class of flat cases are compatible with the principle, w...
متن کاملHorizon Holography
A holographic correspondence between data on horizon and space-time physics is investigated. We find similarities with the AdS/CFT correspondence, based on the observation that the optical metric near the horizon describes a Euclidean asymptotically anti-de Sitter space. This picture emerges for a wide class of static space-times with a non-degenerate horizon, including Schwarzschild black hole...
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ژورنال
عنوان ژورنال: Kobunshi
سال: 1990
ISSN: 0454-1138,2185-9825
DOI: 10.1295/kobunshi.39.756