Method of producing domain inversion parts and optical devices

Details Method of producing domain inversion parts and optical devices Method of producing domain inversion parts and optical devices

2006-01-20

2008-11-18

Ben, Loha (Department: 2873)

Optical: systems and elements

Optical modulator

Having particular chemical composition or structure

C359S321000, C359S326000, C359S328000, C385S122000, C361S225000

Reexamination Certificate

active

07453625

ABSTRACT:
A comb electrode3is provided on a first main face2aand a uniform electrode4is provided on a second main face2bof a substrate made of a ferroelectric single crystal of a single domain, and a voltage is applied on the comb electrode3and the uniform electrode4to produce domain inversion part. It is laminated, on the substrate, an underlying substrate comprising a main body5, a first conductive film6provided on a first main face5aand a second conductive film7provided on a second main face5bof the main body5. The uniform electrode4is electrically conducted with the first conductive film6and a voltage is applied on the comb electrode3and the second conductive film7to form a domain inversion part in the substrate2.

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