Optical waveguides – With optical coupler – Input/output coupler
Patent
1990-12-07
1992-11-24
Lee, John D.
Optical waveguides
With optical coupler
Input/output coupler
385 65, 385 71, 385 22, G02B 626
Patent
active
051669935
ABSTRACT:
A molded polymeric resin-filled coupler comprising two low-refractive index plastic molded subassemblies. One subassembly has an optically finished mixing region, with a channel that has a V shaped lower portion. The mixing region subassembly is covered with a lid subassembly of the same material as the mixing region subassembly. During assembly, optical fibers are inserted into the mixing region subassembly which is then filled with a high index material to form a high-refractive index waveguide core region in the channel. The molded low-refractive index subassemblies provide a waveguide cladding around the high-refractive index waveguide core. Low cost is attained by utilizing optically finished metal molds to produce the subassemblies resulting in an optically finished mixing region and lid subassemblies without the need to polish each subassembly.
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Blyler, Jr. Lee L.
Grimes Gary J.
Haas Lawrence J.
Lien Robert M.
Ysebaert Emiel
AT&T Bell Laboratories
Barns Stephen W.
Lee John D.
Moran John C.
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