25 W continuous-wave Yb:LiLuF4 single-crystal-fiber laser oscillator
| Autor: | Sara Pizzurro, Giuliano Piccinno, Mauro Tonelli, Alberto Di Lieto, Federico Pirzio, Antonio Agnesi, Shu Jun |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Birefringence
Materials science Laser materials Solid-state lasers Ytterbium doped lasers Laser diode business.industry Slope efficiency Physics::Optics Laser Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials law.invention Resonator Optics law Fiber laser Continuous wave Laser beam quality Electrical and Electronic Engineering Physical and Theoretical Chemistry business |
| Zdroj: | Optics communications 500 (2021): 127337-1–127337-4. doi:10.1016/j.optcom.2021.127337 info:cnr-pdr/source/autori:Pizzurro S., Pirzio F., Jun S., Di Lieto A., Piccinno G., Tonelli M., Agnesi A./titolo:25 W continuous-wave Yb:LiLuF4 single-crystal-fiber laser oscillator/doi:10.1016%2Fj.optcom.2021.127337/rivista:Optics communications (Print)/anno:2021/pagina_da:127337-1/pagina_a:127337-4/intervallo_pagine:127337-1–127337-4/volume:500 |
| DOI: | 10.1016/j.optcom.2021.127337 |
| Popis: | We present the first demonstration of a solid-state laser oscillator based on a Yb-doped, birefringent single crystal fiber grown by the micro-pulling-down method. Pumping a 42-mm-long, 2%-at. Yb 3 + :LiLu F 4 crystal with a 105-W maximum power fiber coupled laser diode, we obtained a maximum output power of 10.4 W, with diffraction limited beam quality (M 2 1 . 1 ), in a simple plane-concave resonator. By modifying the resonator layout to increase the laser efficiency, we obtained output power up to 25 W, with still fairly good beam quality (M 2 ≃ 2 ). Thermal lensing effect and laser intrinsic slope efficiency and losses were characterized in both resonator configurations. |
| Databáze: | OpenAIRE |
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