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Updated: Aug 4, 2026

Scanning-probe Single-electron Capacitance Spectroscopy
Published on: July 30, 2013
Transmission line probes for scanning photon-tunneling microscopy
1Laboratory of Cell Biology and Genetics, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892.
Abstract:
Because metalized light probes for scanning photon-tunneling microscopy are tapered waveguides beyond cut-off, tapered coaxial transmission lines have been tried instead. It is shown here that insertion losses in such a line can be reduced by asymmetrically phase-apodizing the illuminating lens. Alternatively, a strip rather than a coaxial line can be used.
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