Efficiency comparison between integrated optical waveguide probes and conventional fiber probes in the detection of backscattered light


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Ismail, N. and Sun, F. and Çivitci, F. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. and Driessen, A. (2009) Efficiency comparison between integrated optical waveguide probes and conventional fiber probes in the detection of backscattered light. In: 2009 Annual Symposium of the IEEE Photonics Benelux Chapter, 5-6 November 2009, Brussels, Belgium (pp. pp. 105-108).

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Abstract:Multimode silicon-oxynitride (SiON) waveguide structures are investigated for probing fluorescence and backscattered light from samples of different thicknesses. The collection efficiency together with the resolution of such probes is compared to that of a conventional fiber probe. The simulation results show that, in case of low scattering samples, among the two types of probes the former present higher collection efficiencies when the sample thickness is below 85 µm. The analytical model developed to estimate the collection efficiency of the integrated probes was validated experimentally through fluorescence measurements carried out on a ruby rod. The model and the experimental results are both presented in this work.
Item Type:Conference or Workshop Item
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/69948
Organisation URL:http://www.photonics-benelux.org
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