Residual Strain Characteristics of Optical Fiber Ribbons Inserted Tightly into Slots

Kazuo HOGARI  Yutaka KATSUYAMA  Toshinao KOKUBUN  Satomi HATANO  

IEICE TRANSACTIONS (1976-1990)   Vol.E71    No.7    pp.688-692
Publication Date: 1988/07/25
Online ISSN: 
Print ISSN: 0000-0000
Type of Manuscript: PAPER
Category: Communication Cable and Wave Guides

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A high-density cable structure, containing fiber ribbons inserted tightly into slots, is proposed for a high-fiber-count feeder line. This paper describes theoretical and experimental investigations on the residual strain due to inserting ribbons into a helical slot in this cable. The residual strain caused by different insertion methods is clarified and a strain suppression method is discussed. Based on the results, 600-fiber cable is manufactured and the transmission and mechanical performances are confirmed to be excellent.