RELAY LENS SYSTEM FOR A HIGH DYNAMIC RANGE PROJECTOR
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United States of America Patent
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Issued Date -
May 7, 2015
app pub date -
Nov 4, 2013
filing date -
Nov 4, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A relay lens system for a high dynamic range projector is provided. The relay lens system comprises: a light input; a light output; one or more lenses configured to relay light from the light input to the light output; and, an aperture stop configured to provide a given numerical aperture to the light being relayed through the one or more lenses, the combination of the given numerical aperture and the one or more lenses are configured to: introduce a spherical aberration in the light between the light input and the light output; and, suppress one or more of the following in a ray fan plot of the spherical aberration: local maxima and local minima; and, points where a derivative of the ray fan plot is zero.
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