Multicomponent optical waveguide having index gradient

Details Multicomponent optical waveguide having index gradient Multicomponent optical waveguide having index gradient

G - Physics

02

B

117/85, 88/97.2

G02B 6/028 (2006.01) C03B 37/014 (2006.01)

Patent

CA 1124118

ABSTRACT OF THE INVENTION An optical waveguide for a communication system includes a graded index cor formed from at least three glass-forming compounds with a profile having at least two .alpha.-type index profile terms. The core has a refractive index which is nc at the center of the core and which varies as a function of the radial distance r from the center of the core substantially as: Image Image where ai is defined by: Image i = 1 ....N where N ? 2, .DELTA. = (nc2-no2)/2nc2, no is the refractive index of said compounds at r = a, Nc =nc -?dnc/d? where ? is the wavelength of the light source, and the quantities .DELTA.i are parameters which can be varied provided the condition Image is satisfied.

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