Method of changing the spot diameter of single-mode...

Details Method of changing the spot diameter of single-mode... Method of changing the spot diameter of single-mode...

G - Physics

02

B

26/197, 88/97.5

G02B 6/26 (2006.01) G02B 6/255 (2006.01) G02B 6/42 (2006.01)

Patent

CA 1318534

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.

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