Sensor system based on retroreflection of a laser beam

Details Sensor system based on retroreflection of a laser beam Sensor system based on retroreflection of a laser beam

1998-06-26

2000-01-04

Epps, Georgia

Optical: systems and elements

Signal reflector

3-corner retroreflective

359530, G02B 5122, G02B 5124

Patent

active

060102233

ABSTRACT:
The invention relates to a sensor system based on the retroreflection of a laser beam comprising a retroreflection surface having a series of microtriplet reflectors. The sensor system has individual micro reflector elements that are formed by the three adjacent square surfaces of a cube corner. The individual micro reflector elements have a cross sectional area similar to an equilateral hexagon having a width over flats of 0.002 to 1.4 mm. With this design, the laser beam simultaneously contacts at least five microtriplets on the surface of the retroreflector.

REFERENCES:
patent: 3712706 (1973-01-01), Stamm
patent: 3922065 (1975-11-01), Schultz
patent: 4243618 (1981-01-01), Van Arnam
patent: 5936770 (1999-08-01), Nestegard et al.
JP 6-273608(A), In: "Patents Abstracts of Japan", P-1849, Dec. 26, 1994, vol. 18/No. 688.

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