Terahertz near-field microscopy based on a collection mode detector

O. Mitrofanov; I. Brener; R. Harel; J. D. Wynn; L. N. Pfeiffer; K. W. West; J. Federici

doi:10.1063/1.1328772

Terahertz near-field microscopy based on a collection mode detector

O. Mitrofanov, I. Brener, R. Harel, J. D. Wynn, L. N. Pfeiffer, K. W. West, J. Federici

Physics

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114 Scopus citations

Abstract

We report on the development of a collection mode near-field probe for the terahertz spectral range. The near-field detector is based on an aperture type probe with dimensions of 30×30 μm² The collection mode technique provides higher sensitivity and higher resolution than the similar illumination mode approach. Spatial resolution better than 40 μm is demonstrated for a broad spectrum of 300-600 μm, which equals to λ/15 for the longest wavelength. The observed resolution is determined by the size of the probe aperture.

Original language	English (US)
Pages (from-to)	3496-3498
Number of pages	3
Journal	Applied Physics Letters
Volume	77
Issue number	22
DOIs	https://doi.org/10.1063/1.1328772
State	Published - Nov 27 2000

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1328772

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abstract = "We report on the development of a collection mode near-field probe for the terahertz spectral range. The near-field detector is based on an aperture type probe with dimensions of 30×30 μm2 The collection mode technique provides higher sensitivity and higher resolution than the similar illumination mode approach. Spatial resolution better than 40 μm is demonstrated for a broad spectrum of 300-600 μm, which equals to λ/15 for the longest wavelength. The observed resolution is determined by the size of the probe aperture.",

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AU - Mitrofanov, O.

AU - Brener, I.

AU - Harel, R.

AU - Wynn, J. D.

AU - Pfeiffer, L. N.

AU - West, K. W.

AU - Federici, J.

PY - 2000/11/27

Y1 - 2000/11/27

N2 - We report on the development of a collection mode near-field probe for the terahertz spectral range. The near-field detector is based on an aperture type probe with dimensions of 30×30 μm2 The collection mode technique provides higher sensitivity and higher resolution than the similar illumination mode approach. Spatial resolution better than 40 μm is demonstrated for a broad spectrum of 300-600 μm, which equals to λ/15 for the longest wavelength. The observed resolution is determined by the size of the probe aperture.

AB - We report on the development of a collection mode near-field probe for the terahertz spectral range. The near-field detector is based on an aperture type probe with dimensions of 30×30 μm2 The collection mode technique provides higher sensitivity and higher resolution than the similar illumination mode approach. Spatial resolution better than 40 μm is demonstrated for a broad spectrum of 300-600 μm, which equals to λ/15 for the longest wavelength. The observed resolution is determined by the size of the probe aperture.

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JF - Applied Physics Letters

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Terahertz near-field microscopy based on a collection mode detector

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