Line lens and method of design therefor

Details Line lens and method of design therefor Line lens and method of design therefor

1983-12-22

1986-08-12

Arnold, Bruce Y.

350417, G02B 302

Patent

active

046052828

ABSTRACT:
An improved line lens for producing output radiation in the form of a narrow sheet from a collimated input beam despite the use of a lens material having an index of refraction of less than 1.6. A novel design method permits redistribution of output energy as a function of angle along the surface of the lens to achieve the specified output pattern and defines the polynomials of the contoured surface curves of such a lens. In one embodiment of such a lens, which is designed by the inventive method, the input shape is contoured by circular segments and the exit surface is contoured according to the design-method-produced polynomials.

REFERENCES:
patent: 1882829 (1932-10-01), Hall
patent: 3565733 (1971-02-01), Leach
patent: 4431266 (1984-02-01), Muri et al.
patent: 4432010 (1984-02-01), Oguino
Navair Drawing No. 639AS834, dated Jan. 19, 1973, titled "Lens".

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