G - Physics – 02 – B
Patent
G - Physics
02
B
88/115, 88/97.5,
G02B 6/42 (2006.01) G02B 1/10 (2006.01) G02B 6/30 (2006.01)
Patent
CA 2029411
Abstract of the Disclosure A method of connecting a waveguide substrate made of electro-optical crystal and an optical fiber by means of a bonding agent of the ultraviolet light curing type is disclosed. According to the method, first, a reflection preventing film with an ultraviolet light intercepting function of passing therethrough light of a wavelength to be transmitted by way of the optical fiber but intercepting ultraviolet rays of a wavelength with which a bonding agent is to cure is formed on an end face of a waveguide substrate. Then, an end face of the optical fiber is closely contacted with the reflection preventing film with the bonding agent applied to the end face of the optical fiber, and ultraviolet rays are irradiated upon the end face of the waveguide substrate from the side on which the reflection preventing film is formed to cause the bonding agent to cure. Also detailed layer structures of such reflection preventing film with an ultraviolet light preventing function are disclosed.
Fetherstonhaugh & Co.
Fujitsu Limited
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