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 ...

X-ray four-wave mixing captures elusive electron interactions inside atoms and molecules

Scientists at the X-ray free-electron laser SwissFEL have realized a long-pursued experimental goal in physics: to show how ...
IEEE

Microstrip Line Loaded With Series Gap and Dumbbell Defect-Ground-Structure (DB-DGS) Resonator for Highly Sensitive Sensing Based on Resonance/Antiresonance: Application to ...

Abstract: A new planar structure for the implementation of highly sensitive single-frequency microwave sensors is proposed. The key aspect to obtain high sensitivity is to generate closely spaced ...
IEEE

Tunable Guided-mode resonance filter using Spacetime Periodic Structure

Abstract: We present a tunable planar guided-mode resonance (GMR) filter using time-varying permittivity along grating nanobars. Results show that the effective medium concept in the temporal state is ...