Abstract
Abstract
We present a high-power, high-efficiency, laser-diode-pumped 2.8 μm Er:Lu2O3 ceramic laser generating record power at room temperature. Careful thermal management and pump-radius enlargement resulted in a continuous-wave output power of 6.7 W at 2845 nm, with a 30.2% slope efficiency. To our knowledge, this is the highest output power and slope efficiency ever achieved from a laser-diode-pumped 3 μm Er-doped ceramic laser. These results confirm the possibility of generating high-output-power, high-efficiency laser using transparent ceramics.
Funder
Industry-Academia Collaboration Support Project of National Institutes of Natural Sciences
Japan Society for the Promotion of Science
Amada Foundation
Murata Science Foundation
Nippon Sheet Glass Foundation
National Institute for Fusion Science
Subject
General Physics and Astronomy,General Engineering
Cited by
16 articles.
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