Development of a dual-channel scanning microwave/optical microprobe
作者： Roberto S. Aga , Jason Brookman , Jonathan Dizon , Judy Z. Wu
DOI: 10.1063/1.1669066
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摘要: A dual-channel scanning microprobe (dual probe) has been developed for simultaneous mapping of microwave and optical properties a sample. It employs tunable open-ended coaxial resonator with tapered metal-coated fiber optic tip, from which light can be emitted/collected simultaneously. The channel this probe, operating at 1.5 GHz, detect changes in sheet resistance (Rx) above 293 mΩ spatial resolution ranging 5 to 10 μm. channel, on the other hand, ∼1 poorer was attributed its lower sensitivity. Imaging dielectric grid high-Tc superconducting resonators carried out ambient temperature.
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