Search Menu
Photonics Media Photonics Buyers' Guide Photonics Spectra BioPhotonics EuroPhotonics Vision Spectra Photonics Showcase Photonics ProdSpec Photonics Handbook
More News

Capillary Force Fabricates Probes

Facebook Twitter LinkedIn Email Comments
Capillary Force Fabricates ProbesA team of researchers at Shizuoka University in Hamamatsu, Japan, reports in the March 10 issue of Applied Physics Letters a technique for the fabrication of probes for scattering-type near-field optical microscopes that employs capillary force in micropipettes. The technique is suitable for use with particles of various materials with diameters slightly larger than the inner dimension of the pipette.

To demonstrate the process, the researchers heated and pulled glass tubes into points with diameters of less than 200 nm. Immersed in water with 180-nm-diameter gold particles, the tubes attracted the particles to their tips as the water flowed up the structures by capillary force. Using a CO2 laser with the fiber puller, they report, enables the fabrication of tips with diameters in the tens of nanometers and the use of correspondingly smaller particles.

Photonics Spectra
May 2003
capillary forcefabricationmicropipettesMicroscopyprobesResearch & Technologyscattering-type near-field optical microscopes

back to top
Facebook Twitter Instagram LinkedIn YouTube RSS
©2019 Photonics Media, 100 West St., Pittsfield, MA, 01201 USA,

Photonics Media, Laurin Publishing
x Subscribe to Photonics Spectra magazine - FREE!
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.