1984-04-11
1987-12-29
Sikes, William L.
350 9630, G02B 616
Patent
active
047156953
ABSTRACT:
A fiber for optical transmission composed of a core having a substantially parabolic distribution of refractive index, a first cladding layer formed around the core having a refractive index equal to that of the periphery of the core and a thickness of 1/100 to 1/20 the diameter of the core, a second cladding layer formed around the first cladding layer having a refractive index smaller than that of the first cladding layer, and a third cladding layer formed around the second cladding layer having a refractive index greater than that of the second cladding layer. The fiber for optical transmission having such a structure has a broad bandwidth of transmitted light.
REFERENCES:
patent: 4149772 (1979-04-01), Iyengar et al.
patent: 4184744 (1980-01-01), Onoda et al.
patent: 4372648 (1983-02-01), Black
Nishimura Masayuki
Suzuki Shuzo
Yokoto Hiroshi
Sikes William L.
Sumitomo Electric Industries Ltd.
Ullah Akm E.
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