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Phase imaging and detection in pseudo-heterodyne scattering scanning near-field optical microscopy measurements

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Moreno, Camilo and Alda, Javier and Kinzel, Edward and Boreman, Glenn (2017) Phase imaging and detection in pseudo-heterodyne scattering scanning near-field optical microscopy measurements. Applied Optics, 56 (4). pp. 1037-1045. ISSN 1559-128X

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Official URL: https://doi.org/10.1364/AO.56.001037



Abstract

When considering the pseudo-heterodyne mode for detection of the modulus and phase of the near field from scattering scanning near-field optical microscopy (s-SNOM) measurements, processing only the modulus of the signal may produce an undesired constraint in the accessible values of the phase of the near field. A two-dimensional analysis of the signal provided by the data acquisition system makes it possible to obtain phase maps over the whole [0, 2


Item Type:Article
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En O.A. en la web del editor.
Received 19 October 2016; revised 20 December 2016; accepted 3 January 2017; posted 5 January 2017 (Doc. ID 279131); published 27 January 2017

Uncontrolled Keywords:Phase measurement ; Near-field microscopy ; Surface plasmons ; Nanophotonics and photonic crystals
Subjects:Sciences > Physics > Electromagnetism
Sciences > Physics > Optics
Medical sciences > Optics > Optoelectronics
ID Code:41010
Deposited On:02 Feb 2017 11:19
Last Modified:02 Feb 2017 11:19

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