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P‐156: The Focal Surface of a Wedge Projection Display
Author(s) -
Travis Adrian
Publication year - 2005
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.2036593
Subject(s) - wedge (geometry) , projector , optics , projection (relational algebra) , lens (geology) , distortion (music) , ray tracing (physics) , focal length , materials science , computer science , computer graphics (images) , physics , optoelectronics , cmos , amplifier , algorithm
An image from an unmodified projector can be projected through a thin wedge‐shaped panel with little distortion or defocus. This article explains why and describes the focal surface which is presented to the projection lens. A lens design may be optimised for wedge projection using this surface and conventional ray‐tracing software.

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