Confinement of enhanced field investigated by tip-sample gap regulation in tapping-mode tip-enhanced Raman microscopy
T Yano, T Ichimura, A Taguchi, N Hayazawa… - Applied Physics …, 2007 - aip.scitation.org
The authors developed a tip-enhanced near field Raman microscope that can precisely
regulate longitudinal distance between a metallic tip and sample molecules. This was done
by employing a time-gated photoncounting scheme that enabled us to observe …
regulate longitudinal distance between a metallic tip and sample molecules. This was done
by employing a time-gated photoncounting scheme that enabled us to observe …