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

Physics

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

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1338962

Cite this

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title = "Study of single-cycle pulse propagation inside a terahertz near-field probe",

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.

N1 - Funding Information: Preparation of this contribution and the authors’ research reported herein were supported by Grant HD 05331 from the National Institute of Child Health and Human Development. We thank Dr. Joanne L. Miller for her helpful critical com-

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

Abstract

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