Optical waveguides – Planar optical waveguide – Thin film optical waveguide
Patent
1990-09-06
1991-08-13
Healy, Brian
Optical waveguides
Planar optical waveguide
Thin film optical waveguide
156624, 156DIG71, 156DIG75, 156DIG81, 156607, 385141, G02B 610, G02B 600, C30B 700
Patent
active
050391879
ABSTRACT:
Optical waveguides prepared by liquid phase epitaxy comprising a film of M.sub.1-x N.sub.x TiAs.sub.1-a P.sub.a O.sub.5 on a substrate of MTiAs.sub.1-(a+b) O.sub.5 P.sub.(a+30 b) is disclosed.
REFERENCES:
patent: 3810688 (1974-05-01), Ballman et al.
patent: 3811912 (1974-05-01), Ramaswamy
patent: 3830654 (1974-08-01), Cho
patent: 3880630 (1975-04-01), Izawa
patent: 3998687 (1976-12-01), Ballman et al.
patent: 4073675 (1978-02-01), Ballman et al.
patent: 4740265 (1988-04-01), Bierlein et al.
patent: 4766954 (1988-08-01), Bierlein et al.
patent: 4917451 (1990-04-01), Chouinard et al.
Ballman Albert A.
Cheng Lap K.
E. I. Du Pont de Nemours and Company
Healy Brian
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