Method of making an optical coupler device utilizing volatile li

Details Method of making an optical coupler device utilizing volatile li Method of making an optical coupler device utilizing volatile li

1985-02-14

1987-01-20

Sikes, William L.

350 9610, 350 9615, 350 9612, 350320, 65 24, 65 36, 65 61, 651821, G02B 634, C03B 3500

Patent

active

046376844

ABSTRACT:
A waveguide for propagating a light beam, a coupler for coupling the light beam to the waveguide, and a thin film layer provided on the bottom surface of the coupler and consisting of a substance having a refractive index lower than the refractive indices of the waveguide and the coupler, the coupler being joined to the waveguide by optical contact with the thin film layer interposed therebetween, together constitute an optical coupler device which is compact and stable in optical coupling characteristic.

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