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Proceedings Paper

Compound parabolic concentrator optical fiber tip for FRET-based fluorescent sensors
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Paper Abstract

The Compound Parabolic Concentrator (CPC) optical fiber tip shape has been proposed for intensity based fluorescent sensors working on the principle of FRET (Förster Resonance Energy Transfer). A simple numerical Zemax model has been used to optimize the CPC tip geometry for a step-index multimode polymer optical fiber for an excitation and emission wavelength of 550 nm and 650nm, respectively. The model suggests an increase of a factor of 1.6 to 4 in the collected fluorescent power for an ideal CPC tip, as compared to the plane-cut fiber tip for fiber lengths between 5 and 45mm.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96346I (28 September 2015); doi: 10.1117/12.2192508
Show Author Affiliations
Hafeez Ul Hassan, Medtronic R&D Diabetes Denmark A/S (Denmark)
Kristian Nielsen, DTU Fotonik (Denmark)
Soren Aasmul, Medtronic R&D Diabetes Denmark A/S (Denmark)
Ole Bang, DTU Fotonik (Denmark)

Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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