Vibrational spectroscopy technique enables nanoscale mapping of molecular orientation at surfaces

Sum-frequency generation (SFG) is a powerful vibrational spectroscopy that can selectively probe molecular structures at ...
EurekAlert!

Pioneering second-order nonlinear vibrational nanoscopy for interfacial molecular systems beyond the diffraction limit

Sum-frequency generation (SFG) is a powerful vibrational spectroscopy that can selectively probe molecular structures at ...
Nature

Optical diffraction in chiral smectic-C liquid crystals

Sir Chandrasekhara Venkata Raman and his student Nagendra Nath published a series of papers in 1936 on the diffraction of light by a liquid in the field of a high frequency sound wave. This was ...