Optical: systems and elements – Optical modulator – Having particular chemical composition or structure
Reexamination Certificate
2005-07-05
2005-07-05
Epps, Georgia (Department: 2873)
Optical: systems and elements
Optical modulator
Having particular chemical composition or structure
C385S031000, C385S131000
Reexamination Certificate
active
06914715
ABSTRACT:
An optical element according to the invention uses a thin film-like two-dimensional photonic crystal having a structure of periodic repetition in two directions perpendicular to each other. When the two periodic directions are Y-axis and Z-axis directions, opposite surfaces of the photonic crystal structure perpendicular to the Z-axis direction and parallel to the Y-axis direction are used as a light input surface and a light output surface respectively. The direction of movement of light rays incident onto the light input surface is decided so that it is parallel to the YZ plane and inclined at a predetermined inclination angle to the Z-axis direction.
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Kittaka Shigeo
Nakazawa Tatsuhiro
Nara Masatoshi
Oya Kazuaki
Tsunetomo Keiji
Choi William
Nippon Sheet Glass Co. Ltd.
Whitham Curtis & Christofferson, PC
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