The latter results may indicate that the enhancement of Raman scattering by (bulk-like) LO phonons occurs via enhanced absorption of the exciting light in NPs, mediated by the plasmon excitation.
In rare instances e.g., when intense irradiation by laser beams is used or when sufficient thermal energy contributes to the electron excitation process the emitted light can be of shorter wavelength than the exciting light (anti-Stokes radiation).
As I said, it's a fascinating back story and one that makes this main event in the always exciting light-heavyweight division one not to be missed.
But he likes the bars and buskers and frankfurter salesmen who feed off Broadway, all of them washed in a chill, exciting light.
Why it didn't change: Tron, with its cutting-edge CGI, Moebius-designed sets and undeniably exciting light-cycle races ought to have been huge.
His inventiveness, bolstered by Catherine Zuber's beautiful costumes, Derek McLane's clever set, and Howell Binkley's exciting light design, is an elegant fit with Loesser's dashing score.
It has been shown that, in luminescence caused by light, the wavelength of emitted light generally is equal to or longer than that of the exciting light (i.e., of equal or less energy).
As explained below, this difference in wavelength is caused by a transformation of the exciting light, to a greater or lesser extent, to nonradiating vibration energy of atoms or ions.
The value of enhancement depends on the photon energy of the exciting light.
In this case, the thickness of the film and exciting light intensity is practically the same.
