Parallel-beam excitation method for estimating refractive-index profiles in optical fibres
Ankiewicz, A., Adams, M.J., Payne, D.N. and Sladen, F.M.E. (1978) Parallel-beam excitation method for estimating refractive-index profiles in optical fibres. Electronics Letters, 14, (25), 811-812. (doi:10.1049/el:19780547)
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Official URL: http://dx.doi.org/10.1049/el:19780547
Description/Abstract
A theoretical model is developed that demonstrates the presence of a ring in the far-field pattern when a graded-index fibre is excited by a collimated beam, incident at a given radius from the core centre. The angular position of this ring can be used to obtain an estimate of the fibre refractive-index profile. provided a correction for the finite beam spot size is applied.
| Item Type: | Article |
|---|---|
| ISSN: | 0013-5194 (print) 1350-911 (electronic) |
| Related URLs: | http://www.orc.soton.ac.uk/vie...tml?pid=98 http://dx.doi.org/10.1049/el:19780547 |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| ePrint ID: | 78699 |
| URI: | http://eprints.soton.ac.uk/id/eprint/78699 |
| Deposited On: | 11 Mar 2010 |
| Last Modified: | 02 Mar 2012 13:03 |
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