Intensity controlled shaping of the beam profile using three-wave mixing in photorefractive Bi12TiO20
G Cedilnik, A Kiessling, R Kowarschik - Optics communications, 1998 - Elsevier
In a degenerate forward three-wave mixing configuration with Bi12TiO20 (BTO) the gain in
the signal wave is spatially controlled by choosing the intensity ratio between the two pump …
the signal wave is spatially controlled by choosing the intensity ratio between the two pump …