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Apertureless NSOM Probes

Apertureless Probes for NSOM and RamanEnhancement

SEM image of apertureless NSOM probe. The wide tip is used for Shadow NSOM imaging

  • Nanonics produces metal coated NSOM optical fiber probes for use in apertureless NSOM techniques.
  • Nanopipettes can also produce Nanopipettes with embedded nanoparticles.
  • Gold or silver nanoparticle probes are especially useful for research into enhanced Raman imaging and apertureless NSOM.

 

 
Nanopipette with silver nanoparticles held in tip   Nanoparticles close to the sample enhance the signal

 

 
Gold-tipped probe in close proximity to a stryryl dye   Material composition at the tip of a micropipette with attached Ag
nanoparticles measured by EDX.

 

Apertureless NSOM Probe Specifications

Type

Cantilevered or Roughened Probes

Connectors

FC or bare

Tip Length

50 µm - 500 µm

Cantilever Height

50 µm - 1000 µm (Deep Trench probes available)

Cantilever Length

300 µm - 1000 µm

Force Constant

5-20 N/m; <1N/m for roughened probes

Resonant Frequency
(for non-contact)

20-390 kHz (for roughened probes)



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