OUR TECHNOLOGY
The Transmission Electron Microscope (TEM) has become ubiquitous for directly imaging and understanding the properties of materials at the atomic scale. Waviks’ cornerstone product, the Vesta® laser sample heating system, was originally developed for the TEM, and is now also available for the SEM, FIB and HIM. The Vesta™ system for the SEMa and FIB now includes in situ Raman and cathodoluminescence capabilities. These analyses are simultaneous with SEM imaging, other in chamber analysis techniques, and are perfectly correlated light and electron microscopies (CLEM).
The Vesta® system relies on the expertise and experience of Waviks’ team in developing precise nanomanipulators and in analysis and fabrication at the nano scale. The Vesta® system produces a very small (10 um) laser spot on the sample for photon stimulation. Fast temperature ramping is easy and multiple sites on the same sample can be examined. There is no thermal damage to detectors or the column, and there is minimal thermal-mechanical drift in the sample, so long duration studies and movies are easy. The laser can be pulsed to look at transient events. In terms of electron spectroscopy, stimulated EEGS (Electron Energy Gain Spectroscopy) is easily performed.
IN THE NEWS
ELECTRON BEAM INDUCED DEPOSITION PURIFICATION VIA PULSED LASER INDUCED OXIDATION REACTION
Teams from Oak Ridge National Laboratory, University of Tennessee, Utah State University, and Graz University of Technology demonstrated electron beam induced deposition purification via pulsed laser induced oxidation reaction using the Waviks Vesta.
EXPLORING PHOTOTHERMAL PATHWAYS VIA IN SITU LASER HEATING THE TEM
Collaborators from University of Notre Dame, University of Tennessee, and Oak Ridge National Lab explored photothermal heating pathways using the Waviks Vesta. Their work was published in Microscopy and Microanalysis.
3D NANOPRINTING VIA LASER-ASSISTED ELECTRON BEAM INDUCED DEPOSITION
Teams from University of Tennessee, Graz Centre for Electron Microscopy, and Oak Ridge National Lab explored 3D nanoprinting via laser-assisted electron beam induced deposition. Their work was published in the Beilstein Journal of Nanotechnology.
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