Ultra-high resolution resonant C-shaped aperture nano-tip

Yao Te Cheng, Yuzuru Takashima, Yin Yuen, Paul C. Hansen, J. Brian Leen, Lambertus Hesselink

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We report a new optical near-field transducer comprised of a metallic nano-antenna extending from the ridge of a C-shaped metallic nano-aperture. Finite-difference time domain simulations predict that the C-aperture nano-tip (CAN-Tip) provides high intensity (650x), high optical resolution (∼λ/60), and background-free near-field illumination at a wavelength of 980 nm. The CAN-Tip has an aperture resonance and tip antenna resonance which may be tuned independently, so the structure can be made resonant at ultraviolet wavelengths without being unduly small. This near-field optical resolution of 16.1 nm has been experimentally confirmed by employing the CAN-Tip as an NSOM probe.

Original languageEnglish (US)
Pages (from-to)5077-5085
Number of pages9
JournalOptics Express
Volume19
Issue number6
DOIs
StatePublished - Mar 14 2011
Externally publishedYes

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apertures
high resolution
near fields
antennas
wavelengths
ridges
transducers
illumination
probes
simulation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Cheng, Y. T., Takashima, Y., Yuen, Y., Hansen, P. C., Leen, J. B., & Hesselink, L. (2011). Ultra-high resolution resonant C-shaped aperture nano-tip. Optics Express, 19(6), 5077-5085. https://doi.org/10.1364/OE.19.005077

Ultra-high resolution resonant C-shaped aperture nano-tip. / Cheng, Yao Te; Takashima, Yuzuru; Yuen, Yin; Hansen, Paul C.; Leen, J. Brian; Hesselink, Lambertus.

In: Optics Express, Vol. 19, No. 6, 14.03.2011, p. 5077-5085.

Research output: Contribution to journalArticle

Cheng, YT, Takashima, Y, Yuen, Y, Hansen, PC, Leen, JB & Hesselink, L 2011, 'Ultra-high resolution resonant C-shaped aperture nano-tip', Optics Express, vol. 19, no. 6, pp. 5077-5085. https://doi.org/10.1364/OE.19.005077
Cheng YT, Takashima Y, Yuen Y, Hansen PC, Leen JB, Hesselink L. Ultra-high resolution resonant C-shaped aperture nano-tip. Optics Express. 2011 Mar 14;19(6):5077-5085. https://doi.org/10.1364/OE.19.005077
Cheng, Yao Te ; Takashima, Yuzuru ; Yuen, Yin ; Hansen, Paul C. ; Leen, J. Brian ; Hesselink, Lambertus. / Ultra-high resolution resonant C-shaped aperture nano-tip. In: Optics Express. 2011 ; Vol. 19, No. 6. pp. 5077-5085.
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