Nonlinear bulk absorption in Y3-xErxAI5O12 crystals
Zhekov V. I. , Murina T. M. , Popov A. V. , Prokhorov A. M.
A nonlinear bulk absorption by impurity particles of submicron size has been observed for the first time in yttrium-erbium-aluminum garnet crystals. The local absorption coefficients of these particles reach values >103 cm-1.