Mid-IR volumetric Bragg grating based on LiF color center crystal

Features of propagation of the high-intensity femtosecond laser pulses in magnesium and sodium fluoride crystals

“…Femtosecond laser-treated alkali and alkaline earth fluorides find promising application as information storage media, optical waveguides, gratings, and other micro and nanostructures [4][5][6][7].…”