Experimental Investigation of Visible Diffraction in Tilted Fibre Bragg Gratings
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We present an analysis on the visible diffraction patterns of Tilted Fiber Bragg Gratings (TFBG), with applications to blue-laser fiber sensors. On the basis of our current understanding of a visible diffraction phenomenon called sidetapping, or outtapping, we compare theoretical predictions with experimental results. In order to compare theory to experiment we obtain empirical observations of diffraction angles. A 1550nm-TFBG is connected to a Coherent Spectrum-70C laser source and measurements are taken for several wavelengths including red (647.1nm), yellow (568.2nm), green (514.5nm), blue (488.0nm) and violet (457.9nm) to show that our results are in definite agreement with theory. There are other variables that affect and govern this diffraction behaviour so a comprehensive parameter study is used to relate the input variables to output variables. Output variables are power and longitudinal angles of each radiating diffraction order.
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Copyright © 2014 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2014
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aboudakka-experimentalinvestigationofvisiblediffraction.pdf | 2023-05-04 | Public | Download |