Method of forming refractive index distribution in light...

Details Method of forming refractive index distribution in light... Method of forming refractive index distribution in light...

G - Physics

02

B

G02B 5/20 (2006.01) G02B 6/124 (2006.01) G03F 7/20 (2006.01)

Patent

CA 2170233

A method of forming a refractive index distribution in a light transmission path involves applying a photosensitive material layer to the surface of a clad layer, forming a mask pattern of the photosensitive material layer through photo-lithography, and irradiating through the mask pattern a light transmission path with an electromagnetic wave having a wave-length not exceeding that of visible light, thereby forming a refractive index fluctuation distribution corresponding to the mask pattern in a core.

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