Automated system for measuring the strength of optical fibers

Details Automated system for measuring the strength of optical fibers Automated system for measuring the strength of optical fibers

1989-08-22

1990-07-10

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356 731, H01J 516

Patent

active

049408917

ABSTRACT:
A system automatically measures the strength of optical fibers by initiating a series of breaks in an optical fiber delivered from a supply spool. The fiber is stressed to failure in an automatically displacable jaw mechanism and the fiber is advanced and the measurement repeated. A computer-controller advances the fiber, records data and monitors jaw mechanism fracture parameters so that the strength distribution of a length of optical fiber is reliably determined.

REFERENCES:
patent: 4636638 (1987-01-01), Huang
"Fiber Strength Assurance for Deep Submarine Optical Fiber Cable Using the roof-Testing Method", Journal of Lightwave Technology.
"Simultaneous Multilevel Proof Testing of High Strength Silica Fiber", Electronics Letters.
"Military Systems Requirements for Strong Optical Fibers", SPIE Guided Wave Optical & Surface Acoustic Wave Devices, Systems and Applications.
"Failure Prediction for Long Length Optical Fiber Based on Proof Testing", Journal of Applied Physics.
"Liquid Nitrogen Strengths of Coated Optical Glass Fibers", Journal of Materials Science (1980).
"A Bending Method for Measurement of the Tensile Strength and Young's Modulus of Glass Fibers", Journal of Applied Physics.
"Statistical Reproducibility of the Crack Propagation Parameter N in Dynamic Fatigue Tests", J. Am. Ceramic Soc. 62.

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