1981
DOI: 10.1109/jqe.1981.1071221
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Consistent refractive index profile measurements of a step-index monomode optical fiber attained by several techniques

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Cited by 9 publications
(3 citation statements)
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“…The He-Ne laser is widely used as a probe light source in the measurement of refractive index relying on Fresnel reflection method because of its stability of mode and frequency [26]. A minimum spot diameter of focused beam on the end surface of an optical fiber is approximately 2 .tm.…”
Section: Resultsmentioning
confidence: 99%
“…The He-Ne laser is widely used as a probe light source in the measurement of refractive index relying on Fresnel reflection method because of its stability of mode and frequency [26]. A minimum spot diameter of focused beam on the end surface of an optical fiber is approximately 2 .tm.…”
Section: Resultsmentioning
confidence: 99%
“…Many methods (Gambling et al 1976;Hotate and Okoshi 1979;Gauthier et al 1981) have been proposed to characterize single-mode step index optical fibers from the far-field radiation pattern. The far-field radiation pattern technique requires a large detector dynamic range and time-consuming computer calculations.…”
Section: Refractive Index Reconstruction From the Far-field Radiation Patternmentioning
confidence: 99%
“…Both far-field and near-field methods are discussed by Gauthier et al (1981). The near-field method is easier to set up and calculates directly the refractive index profile.…”
Section: Refractive Index Reconstruction From the Near-field Radiation Patternmentioning
confidence: 99%