1976-07-26
1978-05-09
Corbin, John K.
G02B 514
Patent
active
040883884
ABSTRACT:
An O-type optical waveguide comprising a rod of fused silica having formed thereon a layer of doped fused silica having an index of refraction which is greater than that of the rod, and an outside layer of fused silica over the layer of doped fused silica. The surfaces between of doped silica, having the higher refractive index, and the low adjacent layers between which it lies are extremely smooth and clean or free from foreign particles thereby preventing scattering loss due to the inclusion of foreign particles.
REFERENCES:
patent: 3877912 (1975-04-01), Shiraishi et al.
Fujiwara Kunio
Hoshikawa Masao
Kurosaki Shiro
Nakahara Tsuneo
Shiraishi Satoshi
Corbin John K.
Hille Rolf
Sumitomo Electric Industries Ltd.
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