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Conferences > ASSL > 1995 > SC > SC6
  • Advanced Solid State Lasers
  • OSA Proceedings Series (Optica Publishing Group, 1995),
  • paper SC6

Cr4+-Doped LiAlO2 and LiGaO2: New Potential Laser Materials for the Infrared Spectral Range

S. Kück, S. Hartung, K. Petermann, and G. Huber

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Abstract

The spectroscopic properties of the new potential tunable infrared laser materials Cr4+:LiAlO2 and Cr4+:LiGaO2 are presented. The Cr4+-emission extends from 1.1 µm to 1.7µm, with a room temperature lifetime of 29µsec in LiAlO2 and 18µsec in LiGaO2, respectively. These are the longest lifetimes observed until now for the tetrahedrally co-ordinated Cr4+-ion. The high ratio between room temperature and low temperature lifetime gives hope to realize efficient continuous wave laser action with these materials.

© 1995 Optical Society of America

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