Laser-induced Dynamic Gratings Apr 2026

: Localized heating that changes the medium's refractive index.

(LIDGs) are temporary optical structures created when two or more coherent laser beams interfere within a material. Unlike permanent gratings etched into glass, these "transient" patterns exist only while the light is present, making them vital for real-time optical processing. How They Work Laser-Induced Dynamic Gratings

: Spatially varying excitation of atoms or molecules. : Localized heating that changes the medium's refractive

: Ionization in gases or solids to create high-density electron patterns. Laser-Induced Dynamic Gratings