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Št. zadetkov: 4
Optimizacija in izvedba trdninskega laserja s pulzi na zahtevo
Matevž Marš, Rok Petkovšek, Vid Agrež
Magistrsko delo
Oznake: magistrske naloge;trdninski laser;preklop ojačenja;relaksacijske oscilacije;frekvenčno podvajanje svetlobe;pulzi na zahtevo;
V delu obravnavamo generacijo kratkih laserskih pulzov s tehniko preklopa ojačenja v trdninskem laserju. Ti se uporabljajo na področju obdelovalnih tehnologij in tudi v medicini, pri njihovi generaciji pa sta zahtevana stabilnost in ponovljivost ob poljubnih časih vklopa. Teoretično je opisan prehod ...
Leto: 2020 Vir: Fakulteta za strojništvo (UL FS)
Pump control based pulse on demand operation of frequency doubled Nd:YVO [sub] 4
Matevž Marš, Rok Petkovšek, Vid Agrež
Izvirni znanstveni članek
Oznake: gain switching;pulse on demand;solid state lasers;Nd:YVO4;SHG;KTP;
Directly pump controlled pulse on demand operation of an intracavity frequency doubled Nd:YVO [sub] 4 laser is presented, capable of generating arbitrary delay between pulses in the output sequence with the upper limit in MHz range. Micro pulses on demand were achieved by the gain switching techniqu ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
Ultrashort pulsed seed source based on DFB diode and Mamyshev filtering
Matevž Marš, Vid Agrež, Rok Petkovšek
Izvirni znanstveni članek
Oznake: ultrashort pulses;laser diode;mamyshev filter;self-phase modulation;Raman scattering;nonlinear optics;
In this work, ultrashort pulse generation based on optical fiber coupled distributed feedback (DFB) laser diode and pulse regeneration technique is presented. Two-stage Mamyshev filtering, double-pass amplification in the first stage, and a tunable filter are used to achieve output pulses of 3.6 ps ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
In-situ measurements of residual heating during pulse-on-demand femtosecond laser surface microprocessing
Jaka Petelin, Matevž Marš, Jaka Mur, Rok Petkovšek
Izvirni znanstveni članek
Oznake: femtosecond laser;laser microstructuring;pulse-on-demand;thermal imaging;
Femtosecond laser processing offers highly precise structuring with minimal residual heating of materials. However, at high average powers and pulse repetition rates, heating can limit process efficiency. The pulse-on-demand laser operation regime has proven to be an optimal solution for achieving h ...
Leto: 2025 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 4
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