Abstract

The effective peak stimulated-emission cross section of chromium-doped gadolinium–scandium–gallium garnets (GSGG) has been determined to be 8.5 × 10−21 cm2 at room temperature. The values of the energy-gap ΔE(2E4T2) chromium fluorescence lifetime and the chromium → neodymium energy-transfer parameter CDA(Cr–Nd) are determined for several gallium garnets. Temperature-dependent absorption and luminescence spectra of neodymium-doped GGG and GSGG are reported and discussed in the context of their use as laser materials.

© 1986 Optical Society of America

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