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Differential near-field scanning optical microscopy with THz quantum cascade laser sources

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Differential near-field scanning optical microscopy with THz quantum cascade laser sources. / Degl'Innocenti, Riccardo; Montinaro, M.; Xu, J. et al.
In: Optics Express, Vol. 17, No. 26, 21.12.2009, p. 23785-23792.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Degl'Innocenti, R, Montinaro, M, Xu, J, Piazza, V, Pingue, P, Tredicucci, A, Beltram, F, Beere, HE & Ritchie, DA 2009, 'Differential near-field scanning optical microscopy with THz quantum cascade laser sources', Optics Express, vol. 17, no. 26, pp. 23785-23792. https://doi.org/10.1364/OE.17.023785

APA

Degl'Innocenti, R., Montinaro, M., Xu, J., Piazza, V., Pingue, P., Tredicucci, A., Beltram, F., Beere, H. E., & Ritchie, D. A. (2009). Differential near-field scanning optical microscopy with THz quantum cascade laser sources. Optics Express, 17(26), 23785-23792. https://doi.org/10.1364/OE.17.023785

Vancouver

Degl'Innocenti R, Montinaro M, Xu J, Piazza V, Pingue P, Tredicucci A et al. Differential near-field scanning optical microscopy with THz quantum cascade laser sources. Optics Express. 2009 Dec 21;17(26):23785-23792. doi: 10.1364/OE.17.023785

Author

Degl'Innocenti, Riccardo ; Montinaro, M. ; Xu, J. et al. / Differential near-field scanning optical microscopy with THz quantum cascade laser sources. In: Optics Express. 2009 ; Vol. 17, No. 26. pp. 23785-23792.

Bibtex

@article{3e3abb87d82644c59dfae81b71de9f01,
title = "Differential near-field scanning optical microscopy with THz quantum cascade laser sources",
abstract = "We have realized a differential Near-field Scanning Optical Microscope (NSOM) working with subwavelength resolution in the THz spectral region. The system employs a quantum cascade laser emitting at λ ∼ 105 μ as source, and the method, differently from conventional NSOM, involves diffracting apertures with size comparable to the wavelength. This concept ensures a higher signal-to-noise level at the expense of an additional computational step. In the implementation here reported λ/10 resolution has been achieved; present limiting factors are investigated through finite difference time domain simulations.",
author = "Riccardo Degl'Innocenti and M. Montinaro and J. Xu and V. Piazza and P. Pingue and A. Tredicucci and F. Beltram and Beere, {H. E.} and Ritchie, {D. A.}",
year = "2009",
month = dec,
day = "21",
doi = "10.1364/OE.17.023785",
language = "English",
volume = "17",
pages = "23785--23792",
journal = "Optics Express",
issn = "1094-4087",
publisher = "Optical Society of American (OSA)",
number = "26",

}

RIS

TY - JOUR

T1 - Differential near-field scanning optical microscopy with THz quantum cascade laser sources

AU - Degl'Innocenti, Riccardo

AU - Montinaro, M.

AU - Xu, J.

AU - Piazza, V.

AU - Pingue, P.

AU - Tredicucci, A.

AU - Beltram, F.

AU - Beere, H. E.

AU - Ritchie, D. A.

PY - 2009/12/21

Y1 - 2009/12/21

N2 - We have realized a differential Near-field Scanning Optical Microscope (NSOM) working with subwavelength resolution in the THz spectral region. The system employs a quantum cascade laser emitting at λ ∼ 105 μ as source, and the method, differently from conventional NSOM, involves diffracting apertures with size comparable to the wavelength. This concept ensures a higher signal-to-noise level at the expense of an additional computational step. In the implementation here reported λ/10 resolution has been achieved; present limiting factors are investigated through finite difference time domain simulations.

AB - We have realized a differential Near-field Scanning Optical Microscope (NSOM) working with subwavelength resolution in the THz spectral region. The system employs a quantum cascade laser emitting at λ ∼ 105 μ as source, and the method, differently from conventional NSOM, involves diffracting apertures with size comparable to the wavelength. This concept ensures a higher signal-to-noise level at the expense of an additional computational step. In the implementation here reported λ/10 resolution has been achieved; present limiting factors are investigated through finite difference time domain simulations.

U2 - 10.1364/OE.17.023785

DO - 10.1364/OE.17.023785

M3 - Journal article

C2 - 20052089

AN - SCOPUS:73949097565

VL - 17

SP - 23785

EP - 23792

JO - Optics Express

JF - Optics Express

SN - 1094-4087

IS - 26

ER -