Diffractive optical relay and method for manufacturing the same
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United States of America Patent
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Issued Date -
Feb 21, 2008
app pub date -
Aug 18, 2006
filing date -
Aug 18, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An optical relay device, comprising a substrate, and at least one diffractive optical element is disclosed. The substrate is made, at least in part, of a light transmissive polymeric material characterized by a birefringence, .DELTA.n, satisfying the inequality |.DELTA.n|<.epsilon., where .epsilon. is lower than the birefringence of polycarbonate. In a preferred embodiment, the light transmissive polymeric material comprises a cycloolefin polymer or a cycloolefin copolymer.
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