<p>Tip-enhanced vibrational sum frequency generation (VSFG) spectroscopy is proposed and demonstrated. Incorporation with the plasmon cavities leads to significant signal amplification—up to 14 orders of magnitude.</p>

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Tip-enhanced nanocavities amplify the sum frequency generation

  • Chun-Chieh Yu,
  • Yuancheng Jing,
  • Wei Xiong

摘要

Tip-enhanced vibrational sum frequency generation (VSFG) spectroscopy is proposed and demonstrated. Incorporation with the plasmon cavities leads to significant signal amplification—up to 14 orders of magnitude.