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All-fiber 10 W holmium lasers pumped at lambda=1.15 microm
A S Kurkov1, V V Dvoyrin, A V Marakulin
1General Physics Institute, Russian Academy of Sciences 38 Vavilov Street, 119991 Moscow, Russia. kurkov@kapella.gpi.ru
Optics Letters
|February 18, 2010
Summary
Three new all-fiber lasers were developed for efficient light generation. These holmium-doped fiber lasers achieve high output power, demonstrating promising results for laser applications.
Area of Science:
- Photonics and Laser Technology
- Materials Science
Background:
- Fiber lasers offer robust and compact solutions for various applications.
- Holmium (Ho)-doped gain media are crucial for generating specific infrared wavelengths.
Purpose of the Study:
- To fabricate and characterize novel all-fiber holmium-doped lasers.
- To investigate laser performance under specific pumping conditions.
Main Methods:
- Fabrication of three all-fiber Ho-doped laser cavities.
- Pumping the lasers using an Ytterbium (Yb)-doped fiber laser at 1147 nm.
- Characterization of output power and efficiency.
Main Results:
- All fabricated lasers successfully emitted in the 2050-2100 nm range.
- Output power reached up to 10 W.
- An efficiency slope of 30% was achieved.
Conclusions:
- The developed all-fiber Ho-doped lasers demonstrate high efficiency and output power.
- These lasers are suitable for applications requiring emission in the 2050-2100 nm spectrum.
- The results highlight the potential of all-fiber laser designs for practical use.
