Modern Optics Research
Valerică Raicu's optics research is aimed mainly at the development of microscopy techniques for fluorescence imaging. He has developed a multi-photon microscope with spectral resolution, which can be used for acquiring entire fluorescence spectra on timescales faster than those involved in molecular diffusion in biological environments. Prof. Raicu's research group has successfully used the new instrument in determining the structure, with molecular resolution, of various membrane receptor complexes in living cells, but the method could also be applied equally to single molecule investigations. Several research groups around the world have manifested an interest in implementing this technique in their studies. Other optics-related work in Raicu's lab is aimed at improving two-photon photo-polymerization techniques for fabricating microfluidic device masters.