Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1976-12-17
1979-04-17
Clark, Conrad J.
Optics: measuring and testing
Range or remote distance finding
With photodetection
350170, 356354, G02B 504
Patent
active
041497732
ABSTRACT:
This invention relates to an optical system for the production of a beam of light having a uniform intensity distribution. The optical system includes at least one Fresnel biprism for converting a beam of light having a non-uniform intensity distribution into a beam of light having a uniform intensity distribution.
REFERENCES:
patent: 3695749 (1972-10-01), Stapleton
Jenkins, F. A., and Harvey E. White; Fundamentals of Optics; McGraw-Hill, 3rd Edition, 1957, pp. 239-241.
Clark Conrad J.
Plessey Handel und Investments A.G.
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