Single mode bend insensitive fiber for use in fiber optic guidan

Details Single mode bend insensitive fiber for use in fiber optic guidan Single mode bend insensitive fiber for use in fiber optic guidan

1988-03-23

1989-06-13

Lee, John D.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244 312, 350 9610, 350 9629, G02B 622

Patent

active

048386430

ABSTRACT:
A double-clad single mode optical fiber with a depressed inner cladding exhibits increased resistance to attenuation increases resulting from small radius bends and lower attenuation sensitivity to temperature changes when the mode field diameter is less than 7 um and the ratio of the radius of the inner cladding to the radius of the core is at least 6.5 to one.

REFERENCES:
patent: 4354419 (1982-10-01), Patterson
patent: 4372647 (1983-02-01), Okamoto et al.
patent: 4435040 (1984-03-01), Cohen et al.
patent: 4447125 (1984-05-01), Lazay et al.
patent: 4691991 (1987-09-01), Unger
patent: 4770492 (1988-09-01), Levin et al.

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