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Samples in periodicals archive:
We have introduced a paradigm shift in light confinement strategy that rests on transforming the momentum of evanescent waves," the pair wrote in the journal Optica.
Because the diameter of the fibers is so minute -- 530 nm, less than the wavelength of light used to trap atoms -- some of the light leaks outside of the fiber as a so-called evanescent wave, which can be used to trap atoms a few hundred nm from the fiber surface.
The H-TIRF Module, using Imaging Software NIS-Elements, allows auto alignment of settings, such as laser incident angles and evanescent wave field penetration depths, required for TIRF observations.
Evanescent waves are formed when sinusoidal waves are internally reflected off an interface at an angle greater than the critical angle so that total internal reflection occurs.
The evanescent field excites a fluorophore localized near the metal surface, which in turn emits evanescent waves, generating surface plasmons at the fluorescence emission frequency.
The nanowires carry light via evanescent waves that envelop the slender filaments.
The University of Arizona and France's University of Rennes are developing IR glass fibers for biochemical sensors using evanescent wave spectroscopy .
A tiny portion of the laser beam's energy leaks upward from the surface, generating what is called an evanescent wave.