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Co-doping of Holmium (Ho) and Dysprosium (Dy) with Erbium (Er) for Low-Cost High-Efficiency Diode-Pumped Laser at 3-Micron Meter Wavelength Range

For many applications, the output of a laser diode is coupled into an optical fiber to direct the light beam more easily. This fiber can be doped with rare earth metals such as Erbium to increase efficiency and absorption. Instead of using Erbium (Er3+) exclusively for doped fiber lasers, this method proposes the use of codoped Er3+ fiber lasers with...

Published: 8/11/2025 | Inventor(s): Xiushan Zhu, Nasser Peyghambarian

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics > Lasers & Other Sources

High Power Mid-Infrared Supercontinuum Fiber Lasers at 2-5 µm

Researchers at the University of Arizona have developed a supercontinuum laser that has high power output over the 2-5 micron wavelength range. Background: There are various methods for generating a mid-infrared laser source. The problem commonly faced is that it is difficult to emit on a supercontinuum in the IR region. Most competing lasers emit...

Published: 4/3/2023 | Inventor(s): Xiushan Zhu, Nasser Peyghambarian, Robert Norwood

Keywords(s): mid-infrared mode-locked fiber laser, mid-infrared supercontinuum

Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Lasers & Other Sources