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This paper reports design, fabrication and evaluation of a novel scanning near-field probe for terahertz (THz) local
time domain spectroscopy (THz-TDS). A microfabricated scanning near-field optical microscopy (SNOM) probe was
assembled with a low-temperature-grown gallium arsenide (LT-GaAs) photoconductive antenna. The probe structure was
evaluated and determined by a finite-difference time-domain (FDTD) numerical simulation. The assembly was used as
the THz emitter and local THz source. Another LT-GaAs antenna situated at the opposite side was used as the detector. A
THz-TDS measurement using the microfabricated SNOM probe and photoconductive antenna was performed.
Kentaro Iwami,Takahito Ono, andMasayoshi Esashi
"Microfabricated scanning near-field probe for sub-terahertz spectroscopy", Proc. SPIE 7133, Fifth International Symposium on Instrumentation Science and Technology, 713313 (12 January 2009); https://doi.org/10.1117/12.807261
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Kentaro Iwami, Takahito Ono, Masayoshi Esashi, "Microfabricated scanning near-field probe for sub-terahertz spectroscopy," Proc. SPIE 7133, Fifth International Symposium on Instrumentation Science and Technology, 713313 (12 January 2009); https://doi.org/10.1117/12.807261