Optical method for distance and displacement measurements of the probe-sample separation in a scanning near-field optical microscope

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This article presents an alternative optical method to determine the probe-sample separation distance in a scanning near-field optical microscope.

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4 p.

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Santamaria, L.; Garcia-Ortiz, C. E.; Siller Carrillo, Héctor Rafael; Cortes, R. & Coello, V. April 14, 2016.

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This article is part of the collection entitled: UNT Scholarly Works and was provided by the UNT College of Engineering to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 214 times. More information about this article can be viewed below.

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This article presents an alternative optical method to determine the probe-sample separation distance in a scanning near-field optical microscope.

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4 p.

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Abstract: In this work, we present an alternative optical method to determine the probe-sample separation distance in a scanning near-field optical microscope. The experimental method is based in a Lloyd’s mirror interferometer and offers a measurement precision deviation of ∼100 nm using digital image processing and numerical analysis. The technique can also be strategically combined with the characterization of piezoelectric actuators and stability evaluation of the optical system. It also opens the possibility for the development of an automatic approximation control system valid for probe-sample distances from 5 to 500 μm.

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  • AIP Advances, 6(4), American Institute of Physics, April 14, 2016, pp. 1-4

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  • Publication Title: AIP Advances
  • Volume: 6
  • Pages: 4
  • Peer Reviewed: Yes

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UNT Scholarly Works

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  • May 18, 2016

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  • April 6, 2016

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  • April 14, 2016

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  • Sept. 29, 2017, 9:53 a.m.

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  • Nov. 14, 2023, 10:36 a.m.

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Santamaria, L.; Garcia-Ortiz, C. E.; Siller Carrillo, Héctor Rafael; Cortes, R. & Coello, V. Optical method for distance and displacement measurements of the probe-sample separation in a scanning near-field optical microscope, article, April 14, 2016; Melville, New York. (https://digital.library.unt.edu/ark:/67531/metadc993947/: accessed June 7, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT College of Engineering.

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