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physics.optics2025
Scattering near-field optical microscopy at 1-nm resolution using ultralow tip oscillation amplitudes
Akitoshi Shiotari, Jun Nishida, Adnan Hammud +4
Scattering-type scanning near-field optical microscopy (s-SNOM) allows for the observation of the optical response of material surfaces with a resolution far below the diffraction…
physics.optics2024
Rotating spintronic terahertz emitter optimized for microjoule pump-pulse energies and megahertz repetition rates
Alkisti Vaitsi, Vivien Sleziona, Luis E. Parra López +7
Spintronic terahertz emitters (STEs) are powerful sources of ultra-broadband single-cycle terahertz (THz) field transients. They work with any pump wavelength, and their polarity a…