Author:
Bushunov Andrey A.,Teslenko Andrei A.,Lazarev Vladimir A.,Sorokin E.,Tolstik N.,Sorokina I. T.,Tarabrin Mikhail K.
Abstract
We report on antireflection microstructure fabrication on the working surface of the Cr2+:ZnS laser crystal by 200-fs laser treatment. This allows to increase transmittance in a broad range from 2 to 8 µm, approaching a maximum of 90.5% near 2.5 µm.