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, Héctor R.; Cortes, R. & Coello, V. April 14, 2016.

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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.

Notes

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, 2016. Melville, NY: American Institute of Physics

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  • Publication Title: AIP Advances
  • Volume: 6
  • Pages: 1-4
  • Peer Reviewed: Yes

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UNT Scholarly Works

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  • May 18, 2016

Accepted Date

  • April 6, 2016

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  • April 14, 2016

Added to The UNT Digital Library

  • Sept. 29, 2017, 9:53 a.m.

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Santamaria, L.; Garcia-Ortiz, C. E.; Siller, Héctor R.; 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. (digital.library.unt.edu/ark:/67531/metadc993947/: accessed April 27, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Engineering.