2.8-um Er<sup>3+</sup>:YLiF<sub>4</sub> laser resonantly pumped at 970 nm

Robert C. Stoneman; Leon Esterowitz; James G. Lynn

doi:10.1117/12.43595

1 July 1991 2.8-um Er³⁺:YLiF₄ laser resonantly pumped at 970 nm

Robert C. Stoneman, Leon Esterowitz, James G. Lynn

Proceedings Volume 1410, Solid State Lasers II; (1991) https://doi.org/10.1117/12.43595
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

The 2.8-micrometers Er³⁺:YL_F ⁴I_11/2yields⁴I_13/2 laser is shown to have higher efficiency for resonant pumping into the 970-nm absorption band than for the 800-nm pump band. The improved efficiency is due to the lower energy of the 970-nm pump radiation, and the avoidance of the self-quenching process ⁴I_9/2+⁴I_15/2yields⁴I_13/2+⁴I_13/2 which partially bypasses the upper laser state for 800-nm pumping. These advantages result from the direct pumping of the ⁴I_11/2 upper laser state in the 970-nm pumping scheme.

Citation Download Citation

Robert C. Stoneman, Leon Esterowitz, and James G. Lynn "2.8-um Er³⁺:YLiF₄ laser resonantly pumped at 970 nm", Proc. SPIE 1410, Solid State Lasers II, (1 July 1991); https://doi.org/10.1117/12.43595

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