G - Physics – 02 – B
Patent
G - Physics
02
B
88/97.2
G02B 6/036 (2006.01) C03B 37/012 (2006.01) C03B 37/018 (2006.01) C03B 37/027 (2006.01) G02B 6/028 (2006.01)
Patent
CA 1170876
Abstract of the Disclosure An optical fiber is produced with a graded index core, the core forming material being formed, or deposited, at high rates with a small number of layers, relative to conventional methods. The profile of the refractive index has very "coarse" or stepped form. While the modal dispersion can be larger than a conventional fiber, the overall modal dispersion of a transmission line composed of a plurality of lengths joined together does not increase at such a rate as with a conventional fiber. Also the fiber can be less sensitive to wavelength. As a result fiber, preforms, and transmission lines and cables, can be produced cheaper and yet still meet specification standards.
367630
Abe Koichi
Northern Telecom Limited
Wilkinson Stuart
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