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Título
High efficiency diode-pumped Pr:LiLuF4 visible lasers in femtosecond-laser-written waveguides.
Autor(es)
Materia
Diode lasers
Diode pumped lasers
Green lasers
Laser sources
Solid state lasers
Ultrafast lasers
Fecha de publicación
2024-03
Citación
Davide Baiocco, Ignacio Lopez-Quintas, Javier R. Vázquez de Aldana, Mauro Tonelli, and Alessandro Tredicucci, "High efficiency diode-pumped Pr:LiLuF4 visible lasers in femtosecond-laser-written waveguides," Opt. Express 32, 9767-9776 (2024)
Resumen
[EN]In this work we investigate the power scaling of diode-pumped Pr:LiLuF4 waveguide lasers produced by direct femtosecond writing. The waveguides studied consisted in depressed cladding waveguides with different geometries. We observed laser emission at 604 nm, achieving a maximum output power of 275 mW and a slope efficiency of 40%, and 721 nm, demonstrating 310 mW of output power and a slope efficiency of 50%. Moreover, we obtained, what we believe is for the first time in a diode-pumped waveguide, laser emission at 523 nm, with a maximum output power of 65 mW and a slope efficiency of 11%. In the end, we also demonstrated the first diode-pumped operation of a single-transverse-mode waveguide laser at 721 nm, reaching a maximum output power of 28 mW and maintaining a high quality beam with an M2 of 1.1.
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- ALF. Artículos [303]
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