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纳米拉曼(AFM-Raman)
什么是针尖增强拉曼光谱?
The transmission configuration allows the use of the highest numerical aperture (NA) objectives but can only be used for transparent samples. The reflection configuration can be used for any kind of samples (opaque and transparent) but is limited to lower NA objectives.
TERS (Tip Enhanced Raman Spectroscopy) 突破了拉曼亚微米级的衍射极限,实现纳米尺度的空间分辨率。另 外,无需标记,超高分辨率的成像技术扩展应用到不同领域。