Light retro-reflecting responser and data modulator arrangement

Details Light retro-reflecting responser and data modulator arrangement Light retro-reflecting responser and data modulator arrangement

1978-01-06

1979-01-09

Richardson, Robert L.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

343 18D, 250203R, 356152, H04B 900

Patent

active

041340086

ABSTRACT:
A light retro-reflective responser and data modulator arrangement which, in particular, allows expected incident radiation to be reflected back with no contour field within the operating field and which enables an optical modulator of very small size to be used. It comprises a retro-reflective system formed by an optical objective and in the corresponding focal zone, a lens, an electronically controlled optical modulator, and a reflective mirror, the two latter items being produced as layers deposited on at least one face of the lens and preferably on the plane face of a plano-convex lens.

REFERENCES:
patent: 3308464 (1967-03-01), Lewis
patent: 3417398 (1968-12-01), Lewis et al.
patent: 3989942 (1976-11-01), Waddoups
patent: 4066335 (1978-01-01), Courtney

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