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- Title
On the analysis of a weakly guiding doubly clad dielectric optical fiber with an annular core.
- Authors
Sankar, B. C.; Choudhury, P. K.; Yoshino, T.
- Abstract
A fairly rigorous analytical treatment of an annular core dielectric optical fiber is presented, the core of the fiber lying between two concentric claddings with the outer cladding extended infinitely. For the theoretical approach, the approximation of the vanishing refractive-index difference between the core and the cladding sections is implemented. The investigation is on the preliminary ground, and a numerical estimation of the modal cutoffs is presented for the said fiber. The effects of the core width as well as the inner core diameter on the propagation constants βc at field cutoffs are presented. Plots are also shown of the variation of βc with the change in the refractive-index values. © 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 31: 435–439, 2001.
- Subjects
OPTICAL fibers; DIELECTRICS; ELECTROMAGNETIC waves; ELECTROMAGNETIC theory; WAVE functions; OPTICS
- Publication
Microwave & Optical Technology Letters, 2001, Vol 31, Issue 6, p435
- ISSN
0895-2477
- Publication type
Article