Transmission characteristics of graded-index optical fibers with a lossy outer layer

Norio Kashima; Naoya Uchida

doi:10.1364/AO.17.001199

Transmission characteristics of graded-index optical fibers with a lossy outer layer

Norio Kashima, Naoya Uchida

Electrical Engineering and Computer Science

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Changes in transmission characteristics caused by an outer layer have been investigated for graded-index fibers. Equations have been derived using the WKB method for calculating baseband frequency response and excess loss in a general type of the graded-index fiber. Numerical examples have been given for a square-law fiber, mainly with cladding thickness and index difference between outer layer and cladding as parameters. Measurement of the excess loss has been carried out for fibers with various cladding thickness and outer layer-cladding index differences. The measured loss is in agreement with the theoretical value.

Original language	English
Pages (from-to)	1199-1207
Number of pages	9
Journal	Applied Optics
Volume	17
Issue number	8
DOIs	https://doi.org/10.1364/AO.17.001199
Publication status	Published - 1978 Apr 15

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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abstract = "Changes in transmission characteristics caused by an outer layer have been investigated for graded-index fibers. Equations have been derived using the WKB method for calculating baseband frequency response and excess loss in a general type of the graded-index fiber. Numerical examples have been given for a square-law fiber, mainly with cladding thickness and index difference between outer layer and cladding as parameters. Measurement of the excess loss has been carried out for fibers with various cladding thickness and outer layer-cladding index differences. The measured loss is in agreement with the theoretical value.",

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AB - Changes in transmission characteristics caused by an outer layer have been investigated for graded-index fibers. Equations have been derived using the WKB method for calculating baseband frequency response and excess loss in a general type of the graded-index fiber. Numerical examples have been given for a square-law fiber, mainly with cladding thickness and index difference between outer layer and cladding as parameters. Measurement of the excess loss has been carried out for fibers with various cladding thickness and outer layer-cladding index differences. The measured loss is in agreement with the theoretical value.

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Transmission characteristics of graded-index optical fibers with a lossy outer layer

Abstract

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