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Treball de fi de grauData de publicació
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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/141640
Characterization of a fiber laser system for materials processing
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The physical parameters of the emission of a commercial Q-switched, Yb doped, 20 W fiber laser were
measured and analysed under different operating conditions. The laser showed a gaussian profile, and its diameter and peak power coincided with the specifications, but the maximum beam power and pulse energies were 16% lower. The beam power correlated linearly with the pump power. The pulse energy increases with the pulse length for 2 and 20 kHz repetition rates but a ceiling of 80 μJ is attained for 200 kHz. The time needed to attain the maximum population inversion is about 50 μs. The time shape of the pulses is strongly dependent on the pulse length and changes significantly when going from 2 and 20 kHz to 200 kHz, probably due to the low population inversion attained in the latter case
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Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2016, Tutor:Juan Marcos Fernández
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PANIAGUA SERIOLS, Pol. Characterization of a fiber laser system for materials processing. [consulta: 2 de febrer de 2026]. [Disponible a: https://hdl.handle.net/2445/141640]