Optical compensation element

Optical: systems and elements – Optical modulator – Light wave temporal modulation

Reexamination Certificate

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C359S249000, C359S295000

Reexamination Certificate

active

07050214

ABSTRACT:
The invention relates to an optical compensation element comprising a first transparent surface on which a transparent electrode is arranged; a second transparent surface on which a plurality of transparent main electrodes are arranged, several of which being respectively connected to control electrodes via a transverse electrode; and a material having a refractive index which changes according to the voltage applied, said material being arranged between the first and second transparent surfaces. The aim of the invention is to improve said compensation element. To this end, each main electrode is connected to a transverse electrode at a precise location.

REFERENCES:
patent: 5572344 (1996-11-01), Jackson et al.
patent: 6560001 (2003-05-01), Igasaki et al.
patent: 2003/0103708 (2003-06-01), Galstian et al.
patent: 258996 (1988-03-01), None
patent: 1011009 (2000-06-01), None
patent: 10-221703 (1998-08-01), None
patent: 01/48748 (2001-07-01), None
Patent Abstracts of Japan, vol. 1998, No. 13, Nov. 30, 1998 & JP 10-221703.
S. Stallinga et al. “Liquid Crystal Aberration Compensation Devices” Optical Storage and Optical Information Processing, Taipei, Taiwan, Jul. 26-27, 2000, vol. 4081, Proceedings of the SPIE, pp. 50-59.
Copy of Search Report dated May 29, 2002.

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