Modified retroreflector

Details Modified retroreflector Modified retroreflector

1990-07-25

1992-05-26

Ben, Loha

Optical: systems and elements

Signal reflector

3-corner retroreflective

359530, G02B 5122

Patent

active

051173050

ABSTRACT:
A novel optical device, comprising, in one embodiment, a modified corner cube retroreflector. A conventional corner cube retroreflector may be modified so that a face plate comprises an enhanced reflectivity coating. The novel device functions such that at least five percent of the energy of a radiation beam incident to the device, may be reflected at the face plate in accordance with Snell's Law. It is disclosed that the novel device may be advantageously employed in a novel optical alignment assembly.

REFERENCES:
patent: 1840790 (1932-01-01), Oestnaes et al.
patent: 3865467 (1975-02-01), Von Thuna
patent: 4097141 (1978-06-01), Warner
patent: 4131791 (1978-12-01), Lego, Jr.
patent: 4761055 (1988-08-01), Hatje

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