16 November 2000 Paraboloid-shaped micro-optical probe permits to detect small changes in refractive index
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Abstract
Distributed optical fiber sensor systems are prospective candidates for the environmental pollution monitoring over large industrial sites. Among particular optical probes that are attractive for this application are the refractometric ones. However, despite all previous work on this subject, the performance limit of these probes, especially in case of the micro-optical of fiber-optical design, is not yet established. To clarify this point, computer simulations dealing with the response of the novel paraboloidal-shaped micro-optical probe to small changes in the refractive index of the surrounding media are presented. The relative sensitivity concept, which is the ratio of the probe output in two different media, is introduced. The relative sensitivity is proposed as an objective basis for the comparison of refractometric probes.
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Victor de Leon, Victor de Leon, Sergei N. Khotiaintsev, Sergei N. Khotiaintsev, } "Paraboloid-shaped micro-optical probe permits to detect small changes in refractive index", Proc. SPIE 4131, Infrared Spaceborne Remote Sensing VIII, (16 November 2000); doi: 10.1117/12.406565; https://doi.org/10.1117/12.406565
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