Performance of a 967 nm CW diode end-pumped Er:GSGG laser at 2.79 Micrometer
Z. H. Wu, D. L. Sun, S. Z. Wang, J. Q. Luo, X. L. Li, L. Huang, A. L., Hu, Y. Q. Tang, Q. Guo
TL;DR
This paper reports on a 967 nm diode-pumped Er:GSGG laser emitting at 2.794 micrometers, achieving 440 mW power with 13% efficiency, highlighting the benefits of short cavity design and effective cooling.
Contribution
It demonstrates a high-power mid-infrared laser using diode pumping with optimized cavity and cooling, advancing laser performance at 2.79 micrometers.
Findings
Maximum output power of 440 mW
Optical-to-optical efficiency of 13%
Slope efficiency of 13.2%
Abstract
We demonstrated a 967 nm diode end-pumped Er:GSGG laser operated at 2.794 Micrometer with spectrum width 3.6 nm in the continuous wave(CW) mode. The maximum output power of 440 mW is obtained at an incident pumping power of 3.4 W, which corresponds to an optical-to-optical efficiency of 13% and slope efficiency of 13.2%. The results suggest that short cavity and efficient cooling setup for crystal are advantageous to improve laser performance.
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