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Conferences > ASSL > 1996 > IL > IL4

Spectroscopic Properties and Laser Oscillation of Yb:Er:Ca2Al2SiO7 in the 1.55 μm eye-safe range

B. Simondi-Teisseire, B. Viana, A. M. Lejus, D. Vivien, C. Borel, R. Templier, and C. Wyon

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Abstract

This paper reviews our work on the Yb: Er: Ca2Al2SiO7 (CAS) laser material. Absorption and emission properties are reported. A high value of the Yb → Er energy transfer rate (6 × 10−16 cm3s−1) is favourable to the broad Er3+ near infrared emission. Room temperature laser oscillations at 1.55 μm are obtained under Ti:Sapphire excitation. First results indicate a threshold around 90 mW and a 2.7 % slope efficiency (with Rout=97%).

© 1996 Optical Society of America

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