The Review of Laser Engineering
Online ISSN : 1349-6603
Print ISSN : 0387-0200
ISSN-L : 0387-0200
Fe:ZnSe Lasers Pumped by Mid-Infrared Er:ZBLAN Fiber Lasers
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2021 Volume 49 Issue 7 Pages 402-

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Abstract

We review mid-infrared Er:ZBLAN fiber lasers and Fe:ZnSe lasers pumped by fiber lasers. We developed high-power Er:ZBLAN fiber lasers whose output power exceeds 30 W at 2.8 μm and applied 10-W-level fiber lasers for pumping Fe:ZnSe lasers that cover a wavelength range from 4 to 5 μm. We demonstrated that ZnSe crystals reach their highest potential with a high-beam-quality fiber laser. This laser technology paves the way for the development of powerful mid-IR sources for cutting-edge fields in industry, medicine, and science.

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