Low loss single mode fiber

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G02B 5172

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active

044471270

ABSTRACT:
In a double-clad, single mode fiber with depressed inner cladding, reduced losses at the longer wavelengths are realized when the ratio of the radius of the inner cladding to the radius of the core is at least 6.5 to 1.

REFERENCES:
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patent: 4300930 (1981-11-01), Chang
patent: 4412722 (1983-11-01), Carnevale et al.
Irven et al., Proc. 7th European Conf. on Optical Communication, Copenhagen, Denmark, Sep. 8-11, 1981, "Dispersion Characteristics of Practical Single Mode Fibers", pp. 4.3-1 to 4.3-4.
Ainslie et al., Proc. 7th European Conf. on Optical Communication, Copenhagen, Denmark, Sep. 8-11, 1981, "The Reproducible Fabrication of Ultra Low Loss Single Mode Fibre", pp. 2.5-1 to 2.5-4.
Andreev et al., Electronics Letters, vol. 17, No. 12, Jun. 11, 1981, "Experimental Study of Single-Mode W-Type Optical Fibre", pp. 416-417.
Kawakami et al., Proc. IEE, vol. 123, No. 6, Jun. 1976, "Transmission Characteristics of W-Type Optical Fibres", pp. 586-590.
Irven et al., Proc. 7th European Conference on Optical Communication, Copenhagen, Denmark, Sep. 8-11, 1981, "Single Mode Fiber Reproducibility", pp. 2.4-1 to 2.4-4.

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