PLZT shutter

Details PLZT shutter PLZT shutter

1990-02-06

1991-07-09

LaRoche, Eugene R.

350356, 350374, 350392, 3542271, 354226, G02F 101, G02F 103, G02F 100, G03B 908

Patent

active

050299891

ABSTRACT:
A PLZT based shutter system reduces flare produced by reflective surfaces normally associated with PLZT based and other SLR shutter systems by eliminating a diffraction mirror and using highly reflective electrodes directly on the PLZT element to function both as the reflective mirror and as the electrodes to produce the E field in the PLZT element. The invention has an improved performance by reducing flare and has a reduced parts count improving its manufacturability and reliability.

REFERENCES:
patent: 4525744 (1985-06-01), Nakamura et al.
patent: 4704022 (1987-11-01), Nozawa et al.
Cutchen et al., "PLZT Electrooptic Shutters: Applications", Applied Optics, vol. 14, No. 8, Aug. 1975, pp. 1866-1873.

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