Study of single-cycle pulse propagation inside a terahertz near-field probe

O. Mitrofanov; R. Harel; M. Lee; L. N. Pfeiffer; K. West; J. D. Wynn; J. Federici

doi:10.1063/1.1338962

Study of single-cycle pulse propagation inside a terahertz near-field probe

O. Mitrofanov, R. Harel, M. Lee, L. N. Pfeiffer, K. West, J. D. Wynn, J. Federici

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

Propagation of 0.5 THz single cycle pulses inside an aperture-type near-field probe is studied. The E-field amplitude attenuation is experimentally measured at various distances from the aperture. Numerical simulations based on a two-dimensional model illustrate the pulse waveform transformation and the spectral blueshift, which is experimentally observed. The study shows that the sensitivity of such a near-field probe can be improved by more than a factor of 10 by decreasing the aperture-to-detector separation without reduction of the spatial resolution.

Original language	English (US)
Pages (from-to)	252-254
Number of pages	3
Journal	Applied Physics Letters
Volume	78
Issue number	2
DOIs	https://doi.org/10.1063/1.1338962
State	Published - Jan 8 2001
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1338962

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abstract = "Propagation of 0.5 THz single cycle pulses inside an aperture-type near-field probe is studied. The E-field amplitude attenuation is experimentally measured at various distances from the aperture. Numerical simulations based on a two-dimensional model illustrate the pulse waveform transformation and the spectral blueshift, which is experimentally observed. The study shows that the sensitivity of such a near-field probe can be improved by more than a factor of 10 by decreasing the aperture-to-detector separation without reduction of the spatial resolution.",

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AU - Mitrofanov, O.

AU - Harel, R.

AU - Lee, M.

AU - Pfeiffer, L. N.

AU - West, K.

AU - Wynn, J. D.

AU - Federici, J.

PY - 2001/1/8

Y1 - 2001/1/8

N2 - Propagation of 0.5 THz single cycle pulses inside an aperture-type near-field probe is studied. The E-field amplitude attenuation is experimentally measured at various distances from the aperture. Numerical simulations based on a two-dimensional model illustrate the pulse waveform transformation and the spectral blueshift, which is experimentally observed. The study shows that the sensitivity of such a near-field probe can be improved by more than a factor of 10 by decreasing the aperture-to-detector separation without reduction of the spatial resolution.

AB - Propagation of 0.5 THz single cycle pulses inside an aperture-type near-field probe is studied. The E-field amplitude attenuation is experimentally measured at various distances from the aperture. Numerical simulations based on a two-dimensional model illustrate the pulse waveform transformation and the spectral blueshift, which is experimentally observed. The study shows that the sensitivity of such a near-field probe can be improved by more than a factor of 10 by decreasing the aperture-to-detector separation without reduction of the spatial resolution.

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JO - Applied Physics Letters

JF - Applied Physics Letters

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ER -

Study of single-cycle pulse propagation inside a terahertz near-field probe

Abstract

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