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 ...
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On-chip multi-channel near-far field terahertz vortices with parity breaking and active modulation

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2025.240250, discusses on-chip multi-channel near-far field terahertz vortices with parity breaking and active modulation. Vortex ...
Nanowerk

Near field sum frequency spectroscopy reaches ten nanometre resolution

Plasmonic nanogap confinement extends sum frequency vibrational spectroscopy to the nanoscale, enabling direct imaging of ...
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 ...