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Report

Teaser, summary, work performed and final results

Periodic Reporting for period 2 - SCEON (Scanning Electron Optical Nanoscopy)

Teaser

The aim of the ERC-SCEON project is to develop cathodoluminescence scanning electron microscopes (CL-SEM) as a tool to investigate light-matter-electron interactions that give new insights in optical materials and phenomena at the nanoscale. Such insights are important for the...

Summary

Work performed

We have investigated:
1) Angle- and polarization-resolved CL on nanophotonic structures and revealed how the interact with light;
2) Developed an ultrafast pulsed CL microscope equipped with an ultrafast electrostatic beam blanker and demonstrated ultrafast CL imaging microscopy;
3) Developed an ultrafast pump-probe CL microscope equipped with a femtosecond laser-driven cathode and demonstrated ultrafast CL pump-probe spectroscopy.
Using the instruments we have obtained detailed insight in light-electron-matter interaction at the nanoscale. This work has been reported in 7 scientific publications so far, with 4 more in press, and 16 invited presentations at international conferences and workshops.

Final results

The two newly developed CL microscopes are unique in the world. The development of the CL microscopes was carried out as a collaboration between AMOLF, Delmic and Thermo Fisher. The two new instruments were introduced at the Equipment Exhibit of the International Microscopy Conference (IMC2018) in Sydney (September 9-14, 2018). Delmic and Thermo Fisher have now taken over the technical design of the two instruments and have started further commercialization and marketing activities. In this way the technical developments in the SCEON project will find their way to other academic users and other markets.