Sealed airlines in optical fiber couplers

Details Sealed airlines in optical fiber couplers Sealed airlines in optical fiber couplers

1997-12-17

1999-09-21

Ullah, Akm E.

Optical waveguides

With optical coupler

Particular coupling structure

65385, G02B 626

Patent

active

059564431

ABSTRACT:
A waveguide fiber coupler including a tubular element surrounding the coupling region wherein sealed elongated open regions are formed between the fused waveguide surfaces which form a part of the coupler and the tubular element. The coupler exhibits improved properties due to the presence of the elongated open regions. The sealing of the elongated open regions provides for improved environmental stability of the coupler.

REFERENCES:
patent: 4328018 (1982-05-01), Siegfried
patent: 4475790 (1984-10-01), Little
patent: 4906068 (1990-03-01), Olson
patent: 4915467 (1990-04-01), Berkey
patent: 5190364 (1993-03-01), Imoto et al.
patent: 5412748 (1995-05-01), Furuyama et al.

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