Power Coupling Efficiency Enhancement in Multimode Step-Index Fiber Using Refractive and Diffractive Microlenses-Reference-Cited by-同舟云学术

Power Coupling Efficiency Enhancement in Multimode Step-Index Fiber Using Refractive and Diffractive Microlenses

Published:2010 Issue: Volume:2010 Page:1-7
ISSN:1687-9384
Container-title:International Journal of Optics
language:en
Short-container-title:International Journal of Optics

Author:

Selvanandan S.¹,Anbarasan P. M.²

Affiliation:

1. Department of Physics, ACS College of Engineering, Bangalore 560 074, India

2. Department of Physics, Periyar University, Salem 636 011, India

Abstract

A novel study has been undertaken for the coupling efficiency enhancement on planar (refractive and diffractive) microlenses as coupling elements with various geometrical shapes in fibre optics communication. When the dispersion of the planar diffractive microlens is expressed in terms of an Abbe number, it is easy to solve for the refractive and diffractive power coupling efficiency that result in a single material. Coupling loss is reduced with microlens used as coupler even when increasing wavelength of the Gaussian beam. A slight difference of power coupling efficiency is observed with the different direction of electric polarisation for a Gaussian beam of large spot size at its waist due to coupling property has been discussed and shown to agree well with theoretical model.

Publisher

Hindawi Limited

Subject

Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials

Link

http://downloads.hindawi.com/journals/ijo/2010/601675.pdf

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