Advanced terahertz electric near-field measurements at sub-wavelength diameter metallic apertures: Erratum

(1)

Advanced terahertz electric near-field

measurements at sub-wavelength

diameter metallic apertures: erratum

A. J. L. Adam,1_{, J. M. Brok,}1_{, M. A. Seo}2_{, K. J. Ahn,}2_{, D. S. Kim,}2∗ J. H. Kang,3, Q. H. Park,3, M. Nagel,4, P. C. M. Planken1,5∗

1_{Faculty of Applied Physics, Department of Imaging Science and Technology,}

Lorentzweg 1, 2628 CJ Delft, The Netherlands

2_{School of Physics and Astronomy, Seoul National University, Seoul 151-747, Korea} 3_{Department of Physics, Korea University, Seoul 136-701, Korea} 4_{Institut f¨ur Halbleitertechnik, RWTH Aachen University, Sommerfeldstr. 24}

52074 Aachen, Germany

5_{FOM Institute for Plasma Physics ’Rijnhuizen’, Edisonbaan 14, 3439 MN, Nieuwegein}

The Netherlands

∗_{Corresponding author: p.c.m.planken@tudelft.nl; denny@snu.ac.kr}

Abstract: An erratum is presented to correct an error in the discussion section of [Opt. Express. 16, 7407-7417 (2008)] and to add a relevant reference on earlier work.

OCIS codes: (180.4243) Near-field microscopy; (050.1220) Apertures; (300.6495)

Spec-troscopy, Terahertz;

References and links

1. A. J. L. Adam, J. M. Brok, M. A. Seo, K. J. Ahn, D. S. Kim, J. H. Kang, Q. H. Park, M. Nagel, and P. C. M. Planken, ”Advanced terahertz electric near-field measurements at sub-wavelength diameter metallic apertures,” Opt. Express 16, 7407-7417 (2008)

2. O. Mitrofanov, L. N. Pfeiffer, and K. W. West, ”Generation of low-frequency components due to phase-amplitude modulation of sub-cycle far-infrared pulses in the near-field diffraction,” Appl. Phys. Lett. 81, 1579-1581 (2002)

On page 4716 of ref. [1], theω6dependence of the hole power transmission mentioned in the discussion should beω4. The power transmission depends on the aperture diameter a as a6as observed in references [26-28] in our paper. In addition, we have recently learned that a similar correspondence as the one that we observe between the time-derivative of the incident field and the near-field component Ez at the hole edge, was also observed in an earlier THz near-field experiment by Mitrofanov et al.[2] This experiment measured the in-plane electric near-field, at a fixed position directly behind a small aperture, using a dipole antenna integrated with the structure, and should have been included as a reference for completeness.

#96330 - $15.00 USD Received 16 May 2008; published 19 May 2008