Abstract

Characterization of absorption, emission, and temperature-dependent luminescent features is of signi ficant interest for the development of optical temperature sensors and photonic devices. In this work, we conduct a comprehensive study to evaluate the orientation axis-dependent absorption and emission cross sections of Cr3+ ions in BeAl2O4. In addition, we present new data for the temperature-dependent Stark-level energies for alexandrite. Laser-induced temperature-dependent luminescence data from 300520K on the R-line transitions are presented for application to high-temperature sensing.

© 2010 Optical Society of America

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