Measurement System For Attenuation, Numerical Aperture (NA), Dispersion, And Optical Time-Domain Reflectometry (OTDR) In Infrared (IR) Optical Fibers

12 May 1986

proceedings article
Published by SPIE-Intl Soc Optical Eng

p. 151-159
https://doi.org/10.1117/12.961109

Abstract

A computer-based measurement system capable of measuring the attenuation, NA, dispersion, and OTDR in IR optical fibers is described. A review of measurement theory is presented. The hardware and software elements of the measurement system are discussed. The system operates from 2.8-14.0 μm using Pb-salt laser diodes. 500-MHz bandwidth HgCdTe detectors and a waveform digitizer are used in the dispersion and OTDR measurements. The optical layout and computer interface is described. Measurement technique and data from chalcogenide optical fibers is presented.

Keywords

DISPERSION
OPTICAL FIBERS
REFLECTOMETRY
SIGNAL ATTENUATION
COMPUTING SYSTEMS
SOFTWARE
SEMICONDUCTOR LASERS
SENSORS
INTERFACES
MERCURY CADMIUM TELLURIDE
CHALCOGENIDES
COMPUTER HARDWARE

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