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Title: Photonic candle – focusing light using nano-bore optical fibers
Authors: Schneidewind, HenrikZeisberger, MatthiasPlidschun, MalteWeidlich, StefanSchmidt, Markus A.
Publishers Version: https://doi.org/10.1364/OE.26.031706
Issue Date: 2018
Published in: Optics Express 26 (2018), Nr. 24
Publisher: Washington D.C. : Optical Society of America
Abstract: Focusing light represents one of the fundamental optical functionalities that is used in a countless number of situations. Here we introduce the concept of nano-bore optical fiber mediated light focusing that allows to efficiently focus light at micrometer distance from the fiber end face. Since the focusing effect is provided by the fundamental fiber mode, device implementation is extremely straightforward since no post-processing or nano-structuring is necessary. Far-field measurements on implemented fibers, simulations, and a dual-Gaussian beam toy model confirm the validity of the concept. Due to its unique properties such as strong light localization, a close to 100% implementation success rate, extremely high reproducibility, and its compatibility with current fiber circuitry, the concept will find application in numerous areas that demand to focus at remote distances.
Keywords: light focusing; nano-bore optical fiber; fiber
DDC: 620
License: CC BY 4.0 Unported
Link to License: https://creativecommons.org/licenses/by/4.0/
Appears in Collections:Ingenieurwissenschaften



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