Method of changing the spot diameter of single-mode step-index f

Details Method of changing the spot diameter of single-mode step-index f Method of changing the spot diameter of single-mode step-index f

1989-08-24

1991-07-30

Lee, John D.

65 2, 350320, G02B 616

Patent

active

050354779

ABSTRACT:
In a method of changing the spot diameter of single-mode step-index fibers, a single-mode step-index fiber of a given length is heated below its melting point for a defined time in accordance with a temperature profile which varies, preferably linearly, over said length. In this manner, coupling losses between a single-mode laser and a single-mode step-index fiber and between single-mode step-index fibers with different parameters can be reduced to a minimum.

REFERENCES:
patent: 4099835 (1978-07-01), French et al.
patent: 4659353 (1987-04-01), Roba
D. Marcuse: "Loss Analysis of Single-Mode Fiber Splices;" Bell System Technical Journal v 56 n 5 (May-Jun. 1987); pp. 703-718.

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