Gradient index lens reflector

Details Gradient index lens reflector Gradient index lens reflector

1998-06-08

1999-11-30

Epps, Georgia

Optical: systems and elements

Lens

359652, 359726, G02B 300, G02B 1700

Patent

active

059952946

ABSTRACT:
A gradient index lens which reflects light and focuses a corresponding image. The reflector can be easily incorporated to optical devices, and is particularly suitable for encoders position detectors, or other instrumentation utilizing line gratings.

REFERENCES:
patent: 3658407 (1972-04-01), Kitano et al.
patent: 3801181 (1974-04-01), Kitano et al.
patent: 4258978 (1981-03-01), Cole
patent: 4462662 (1984-07-01), Lama
patent: 4639094 (1987-01-01), Aono
patent: 4789219 (1988-12-01), Layne
patent: 5159495 (1992-10-01), Hamblen

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