Abstract
The results of absorption saturation measurements in the visible on chromium doped Y2SiO5, Gd2SiO5 and Mg2SiO4 crystals are reported. The cross sections for ground state and excited state absorption of Cr4+ ion in distorted tetrahedral sites are estimated at 694 nm. Saturable absorber Q-switching of ruby laser using Cr4+-doped Y2SiO5 and Mg2SiO4 is described.
© 1995 Optical Society of America
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