Optical waveguides – With optical coupler – Input/output coupler
Patent
1997-11-18
1999-11-23
Lee, John D.
Optical waveguides
With optical coupler
Input/output coupler
385 33, 385 31, 385 15, G02B 626
Patent
active
059914823
ABSTRACT:
An optic dispersing system, designed for usage in a wavelength field of a beam, includes a network or grating (1) carried by a support (2) with a dilatation coefficient .epsilon.. The system suggested is temperature-stabilized. To do so, it contains a front blade or optical element (3), or refractive index n.sub.1, transparent in the concerned wavelength field. .epsilon.+1
.sub.1 .times.dn.sub.1 /dt is small and, advantageously, dn.sub.1 /dt and .epsilon. are of opposite signs. This device enables the manufacture of a multiplexer-demultiplexer or a fiber optic wavelength router, which is temperature-stabilized.
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patent: 4622662 (1986-11-01), Laude et al.
patent: 4729641 (1988-03-01), Matsuoka et al.
patent: 4763969 (1988-08-01), Khoe et al.
patent: 4819224 (1989-04-01), Laude
patent: 5799118 (1998-08-01), Ogusu et al.
Instruments S.A.
Kang Juliana K.
Lee John D.
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