Methods to fabricate optical equivalents of fiber optic face pla

Details Methods to fabricate optical equivalents of fiber optic face pla Methods to fabricate optical equivalents of fiber optic face pla

1996-12-19

1999-07-27

McPherson, John A.

Radiation imagery chemistry: process, composition, or product th

Liquid crystal process, composition, or product

430290, 430321, G03C 500, G02B 608

Patent

active

059288191

ABSTRACT:
Methods for making plates which have columnar features approximately in the direction of light propagation which are capable of total internal reflection, a controllable numeric aperture (NA) at input and output surfaces, rotational azimuthal averaging and translation of the object plane from a back surface of the plate to a front surface of the plate and are optical equivalent of a FOFP. These plates are made from a range of materials including a variety of monomer or polymer networks. The resultant plates contain adjacent areas with differing refractive indices which result in a substrate containing a plurality of cylindrical features whose boundaries are defined by a discontinuity of refractive indices wherein the index of refraction within the cylindrical features is greater than the index of refraction at the boundaries and external to the cylindrical features.

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