Precision Fabrication of D-Shaped Single- Mode Optical Fibers by In Situ Monitoring

M. H. Cordaro, D. L. Rode, T. S. Barry, R. R. Krchnavek

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

A technique has been developed to locally remove, over a distance of several millimeters of fiber length, the cladding layer of single-mode (at the 1300 nm wavelength) optical fibers with 1 µm depth precision by use of mechanical lapping and in situ optical transmission monitoring. A cylinder lap dressed with diamond is used to perform high-pressure lapping. The in situ monitoring technique is based on the specific different attenuations exhibited by higher order propagating modes (for 633 nm light) as the cylinder penetrates into the fiber. Advantages include relatively rapid overall processing high lapping rate, good optical surface quality, and 1 µm precision. Experimental results are presented and analyzed by an approximate geometrical-optics model.

Original languageEnglish (US)
Pages (from-to)1524-1531
Number of pages8
JournalJournal of Lightwave Technology
Volume12
Issue number9
DOIs
StatePublished - Sep 1994
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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