Optical element with two optical systems having identical optica

Details Optical element with two optical systems having identical optica Optical element with two optical systems having identical optica

1998-04-16

2000-08-01

Epps, Georgia

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359629, 359638, 359639, 359640, G02B 2714, G02B 2712

Patent

active

06097544&

ABSTRACT:
An optical element is made of a material that is transparent to a selected spectral band and has an embedded optical layer system. The optical layer system has a first optical system in a first plane which at least predominately reflects light from a first band in the spectral band, and at least predominately transmits light from a second band in the spectral band. A second optical system is also provided in a second plane that intersects the first plane in a central area of the body of the optical element. The second system predominately transmits light from the first band and predominately reflects light from the second band. Optical paths are defined in the optical element between first and second entrances and exits for the light of the first and second bands.

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European Search Report for EP 99 10 4029.

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