Interferometry is the leading method for measuring ultra-precision surfaces and optical elements. The accuracy of the measurement results is to a … more
The goal of this project is a rigorous uncertainty assessment of generic methods for measuring aspheres. The evaluated methods include zonal and … more
There is an increasing need for accurate measurements of precision surfaces and optical elements over a wide range of spatial frequencies. Ripple … more
We are developing measurement and fabrication capabilities for nanoscale characterization of electronic nanodevices relevant to energy transport, … more
An electron hologram is a fringe modulated image containing the amplitude and phase information of an electron transparent object. The HolograFREE … more