Photonic bandgap optical fiber

Details Photonic bandgap optical fiber Photonic bandgap optical fiber

2006-03-21

2006-03-21

Font, Frank G. (Department: 2883)

Optical waveguides

Optical fiber waveguide with cladding

Utilizing nonsolid core or cladding

Reexamination Certificate

active

07016584

ABSTRACT:
A photonic band-gap optical fiber is disclosed. The photonic band-gap optical fiber includes a photonic crystal having plural band-gaps. The photonic crystal includes a first medium having a first permittivity; plural second media having a second permittivity, and formed in a first periodic arrangement with respect to at least one or more directions on a plane formed of the first medium; and plural third media having a third permittivity, formed in a second periodic arrangement with respect to at least one or more directions on the plane formed of the first medium, and formed in a third periodic arrangement with respect to at least one or more directions together with the plural second media. The photonic crystal has a hollow portion for propagating light passing through the plane formed of the first medium. The photonic band-gap optical fiber can be used to propagate light of plural, different bands at the same time.

REFERENCES:
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patent: 6597851 (2003-07-01), Johnson et al.
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patent: WO 99/64904 (1999-12-01), None
patent: WO 00/06506 (2000-02-01), None
Cregan et al. “Single-Mode Photonic Band Gap Guidance of Light in Air”; Science, 285, 1537, 1999.

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