Fiber optic probe of free electron evanescent fields in the optical frequency range
We introduce an optical fiber platform which can be used to interrogate proximity interactions between free-electron evanescent fields and photonic nanostructures at optical frequencies in a manner similar to that in which optical evanescent fields are sampled using nanoscale aperture probes in scan...
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sg-ntu-dr.10356-1017502023-02-28T19:42:34Z Fiber optic probe of free electron evanescent fields in the optical frequency range So, Jin-Kyu MacDonald, Kevin F. Zheludev, Nikolay I. School of Physical and Mathematical Sciences DRNTU::Science We introduce an optical fiber platform which can be used to interrogate proximity interactions between free-electron evanescent fields and photonic nanostructures at optical frequencies in a manner similar to that in which optical evanescent fields are sampled using nanoscale aperture probes in scanning near-field microscopy. Conically profiled optical fiber tips functionalized with nano-gratings are employed to couple electron evanescent fields to light via the Smith-Purcell effect. We demonstrate the interrogation of medium energy (30–50 keV) electron fields with a lateral resolution of a few micrometers via the generation and detection of visible/UV radiation in the 700–300 nm (free-space) wavelength range. Published version 2014-06-13T06:01:30Z 2019-12-06T20:43:56Z 2014-06-13T06:01:30Z 2019-12-06T20:43:56Z 2014 2014 Journal Article So, J.-K., MacDonald, K. F., & Zheludev, N. I. (2014). Fiber optic probe of free electron evanescent fields in the optical frequency range. Applied Physics Letters, 104(20), 201101-. 0003-6951 https://hdl.handle.net/10356/101750 http://hdl.handle.net/10220/19755 10.1063/1.4876395 en Applied physics letters © 2014 AIP Publishing LLC. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC. The paper can be found at the following official DOI: http://dx.doi.org/10.1063/1.4876395. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. application/pdf |
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DRNTU::Science So, Jin-Kyu MacDonald, Kevin F. Zheludev, Nikolay I. Fiber optic probe of free electron evanescent fields in the optical frequency range |
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We introduce an optical fiber platform which can be used to interrogate proximity interactions between free-electron evanescent fields and photonic nanostructures at optical frequencies in a manner similar to that in which optical evanescent fields are sampled using nanoscale aperture probes in scanning near-field microscopy. Conically profiled optical fiber tips functionalized with nano-gratings are employed to couple electron evanescent fields to light via the Smith-Purcell effect. We demonstrate the interrogation of medium energy (30–50 keV) electron fields with a lateral resolution of a few micrometers via the generation and detection of visible/UV radiation in the 700–300 nm (free-space) wavelength range. |
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School of Physical and Mathematical Sciences |
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School of Physical and Mathematical Sciences So, Jin-Kyu MacDonald, Kevin F. Zheludev, Nikolay I. |
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Article |
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So, Jin-Kyu MacDonald, Kevin F. Zheludev, Nikolay I. |
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So, Jin-Kyu |
title |
Fiber optic probe of free electron evanescent fields in the optical frequency range |
title_short |
Fiber optic probe of free electron evanescent fields in the optical frequency range |
title_full |
Fiber optic probe of free electron evanescent fields in the optical frequency range |
title_fullStr |
Fiber optic probe of free electron evanescent fields in the optical frequency range |
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Fiber optic probe of free electron evanescent fields in the optical frequency range |
title_sort |
fiber optic probe of free electron evanescent fields in the optical frequency range |
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2014 |
url |
https://hdl.handle.net/10356/101750 http://hdl.handle.net/10220/19755 |
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