Photonic crystal fiber preform and photonic crystal fiber...

Details Photonic crystal fiber preform and photonic crystal fiber... Photonic crystal fiber preform and photonic crystal fiber...

2007-04-17

2007-04-17

Pak, Sung (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

C385S126000

Reexamination Certificate

active

10754027

ABSTRACT:
A photonic crystal fiber (PCF) preform, from which a photonic crystal fiber is manufactured, includes a rod-shaped substrate with holes longitudinally formed therethrough in a photonic lattice structure, and material layers having at least two different indices of refraction. The material layers are disposed in the holes, respectively. Distribution of index of refraction of the photonic crystal fiber preform is controlled by arrangement of the material layers. Consequently, an optical fiber with very low optical loss, very low optical nonlinearity and excellent transmission characteristics can be easily manufactured, and an optical fiber with various characteristics, differing depending upon the lattice structure, can be realized.

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