Method of manufacturing a lens system insensitive to aspheric de

Details Method of manufacturing a lens system insensitive to aspheric de Method of manufacturing a lens system insensitive to aspheric de

1995-04-28

1997-05-06

Epps, Georgia Y.

Optical: systems and elements

Lens

Including a nonspherical surface

364148, 364156, G02B 302, G05B 1302

Patent

active

056276842

ABSTRACT:
Manufacturing of a desensitized lens system including: i) providing a starting point lens design having a plurality of aspheric surfaces; ii) decentering the design parameters of one of the aspheric surfaces; iii) optimizing the lens design with a decentered aspheric surface parameter by utilizing both positive and negative field rays to come up with optimum parameters for aspheric surfaces; iv) dropping the decenter out when the optimization is complete to obtain the nominal lens system parameters.

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Irving, Bruce R., "A Technical Overview of CODE V Version 7" SPIE vol. 766 (Computer Lens Design Workshop--1987) pp. 285-293.
Optical Research Associates, "CODE V" Reference Manual; Optical Research Associates, 3280 E. Foothill Blvd., Pasadena, Ca. 91107; Nov. 1987; 27 pages.
Rimmer, Matthew P., "A Tolerancing Proceedure Based on MTF", Optical Research Associates, Pasedena, California 91107 (Presented at SPIE--Aug. 28-29, 1978); 7 pages.
"CODE V Designer's Reference Manual", 1983, Optical Research Associates, pp. Auto-17 and Auto-18 (Optimization Section).

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