Wavelength normalization of fiber-optic loss measurements

Details Wavelength normalization of fiber-optic loss measurements Wavelength normalization of fiber-optic loss measurements

1990-05-07

1991-07-16

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

G01N 2184, G01N 2127

Patent

active

050320254

ABSTRACT:
A method of normalizing fiber-optic loss measurements for wavelength uses a measured wavelength for a laser, a desired wavelength for the loss measurement, and a characteristic parameter for the fiber optic cable to perform a first order correction of the Rayleigh scattering from the fiber optic cable. The actual loss is measured using the laser and then corrected to produce the equivalent loss at the desired wavelength according to the equation

REFERENCES:
Wilson et al., "Automated Spectral Loss Measurement of Optical Fibres" Optics & Laser Technology, Aug. 1978, vol. 10, No. 4, pp. 197-199.

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