Abstract
A bow-tie antenna structure consisting of two opposing metal electrodes separated by a narrow gap is fabricated with an integrated electrostatic actuator to allow the gap to be narrowed further. This configuration allows the near-field localization and conversion efficiency to be optimized beyond that achievable by direct fabrication. The structure is expected to represent an excellent near-field source for high-resolution imaging with high optical transmittance. Electrostatic actuation is demonstrated in both contact- and noncontact-mode operations, and near-field imaging is successfully performed using the device in the illumination mode.
| Original language | English |
|---|---|
| Pages (from-to) | L445-L448 |
| Journal | Japanese Journal of Applied Physics, Part 2: Letters |
| Volume | 44 |
| Issue number | 12-15 |
| DOIs | |
| Publication status | Published - 2005 Jun 24 |
Keywords
- Bow-tie antenna
- Electrostatic actuator
- Micro-electro- mechanical systems
- Scanning near-field optical microscopy
- Surface plasmon
ASJC Scopus subject areas
- Engineering(all)
- Physics and Astronomy (miscellaneous)
- Physics and Astronomy(all)
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Ono, T., Iwami, K., & Esashi, M. (2005). Micromachined optical near-field bow-tie antenna probe with integrated electrostatic actuator. Japanese Journal of Applied Physics, Part 2: Letters, 44(12-15), L445-L448. https://doi.org/10.1143/JJAP.44.L445