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Conferences > ASSL > 1992 > CL > CL12

Spectroscopic Studies of Cr4+ in Different Hosts

C. Deka, M. Bass, B. H. T. Chai, and X. X. Zhang

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Abstract

Spectroscopic studies of Cr4+ ions in different hosts are reported. Absorption and fluorescence spectra of Cr:Y2SiO5,the newest member of the Cr4+ doped laser crystals are presented. Low temperature luminescence data in the near infrared (NIR) has shown evidence of two types of emissions from both Cr:Y2SiO5 and Cr:Ca2Al2SiO7 in the 1200 nm band. There is also indication of a second unstable emisión center in Cr:Mg2SiO4 in the 1200 nm band.

© 1992 Optical Society of America

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