Optical phase shifting plate

Details Optical phase shifting plate Optical phase shifting plate

2011-01-04

2011-01-04

Thompson, Timothy J (Department: 2873)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

Reexamination Certificate

active

07864401

ABSTRACT:
An optical phase shifting plate includes: an optical substrate configured to change a refractive index for light which passes through the optical substrate by a thermooptical effect; a thin-film heater formed on a surface of the optical substrate; a wiring member disposed to be substantially perpendicular to the surface of the optical substrate; an intermediate member disposed between the optical substrate and the wiring member, the intermediate member having: a first surface that is substantially flush with a surface of the thin-film heater; and a second surface that is substantially flush with a surface of the wiring member and that is perpendicularly adjacent to the first surface, a first bonding wire which electrically connects the surface of the thin-film heater to the first surface of the intermediate member; and a second bonding wire which electrically connects the surface of wiring member to the second surface of the intermediate member.

REFERENCES:
patent: 2007/0140695 (2007-06-01), Suzuki et al.
patent: 2010/0046879 (2010-02-01), Lee et al.
patent: 1 659 445 (2000-05-01), None
patent: 2007-151026 (2007-06-01), None
patent: 03/005091 (2003-01-01), None
Extended European Search Report issued in European Patent Application No. 09162016.1-2205 dated Oct. 22, 2009.

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