Method of constructing a beam spread lens

Details Method of constructing a beam spread lens Method of constructing a beam spread lens

1983-12-22

1985-11-05

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Obtaining plural product pieces from unitary workpiece

29558, 76101A, 51284R, 51293, 350320, B23P 1700

Patent

active

045504822

ABSTRACT:
A method of constructing a lens of the type receiving a collimated beam of input radiation for transmitting a narrow sheet of output radiation of substantially uniform intensity over an angular range of approximately + and -45 degrees relative to the input radiation beam. The method includes steps relating to defining the lens surface geometry and to implementing that geometry on a transmissive material having an index of refraction no greater than 1.6. The implementation of the method employs grinding and polishing steps which may be carried out by a disclosed lapping machine.

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patent: 4336978 (1982-06-01), Suzuki
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