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Semiautomated Measurement of Refractive-Index Profiles of Single-Mode Fibers by Scattering-Pattern Method
Kazuo HOTATE Takanori OKOSHI
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/03/25
Print ISSN: 0000-0000
Type of Manuscript: Special Section PAPER (Special Issue on Integrated Optics and Optical Fiber Communications)
Full Text: PDF(227.9KB)>>
Semiautomated measurement of the refractive-index profiles of single-mode fibers using the scattering-pattern method developed by the same authors is described. The scattering-pattern method features very high resolution, typically 0.2 µm: hence at present it is the only method suitable for single-mode fibers. The measurement have been performed by using a semiautomated system. This system consists of an automated measuring apparatus of the scattering pattern and softwares for calculating the refractive-index profile. The obtained profiles are compared with those of preforms.