Optical element with periodic structure

Details Optical element with periodic structure Optical element with periodic structure

2006-06-27

2006-06-27

Healy, Brian (Department: 2883)

Optical waveguides

Planar optical waveguide

C385S004000, C385S008000, C385S123000, C385S124000, C385S125000, C385S130000, C385S131000, C385S132000, C385S147000, C359S298000, C359S315000

Reexamination Certificate

active

07068904

ABSTRACT:
An optical element comprising a periodic structure in which a refractive index is distributed periodically and a deforming portion, which mechanically deforms by an external action, wherein the deforming portion is integrally arranged with the periodic structure along the periodic direction of the periodic structure, and is constructed so as to change the periodicity of the periodic structure by deforming in the periodic direction of the periodic structure. A periodicity of the periodic structure (photonic band structure) in which the refractive index changes periodically can be controlled with a simple configuration.

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Sungwon Kim et al., “Strain-Tunable Photonic Band Gap Crystals,” 78(20)Appl. Phys. Lett.3015-17 (May 2001).
Eli Yablonovitch, “Inhibited Spontaneous Emission in Solid-State Physics and Electronics,” 58(20)Phys. Rev. Lett.2059-62 (May 1987).

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