High non-linearities effects on pulse quality in a CPA system and mitigation strategies
On: Mar 17, 2023
In: Ultrafast Lasers
In this paper we study the pulse quality degradation of an Ytterbium-based fiber laser in which B-integral ranges from 5 to 20 rad. A tunable chirped-fiber-Bragg-grating stretcher is optimized in term of reflectivity and phase profiles thank to a multivariable optimization algorithm. Parabolic and Sech2 spectral profiles are both studied in order to evaluate their robustness to non-linear degradation. Phase and reflectivity optimization can provide insight to design tailored specific pulse stretchers for CPA systems.
Martin Maurel, Evelyne Brown-Dussault, Mathieu Gagnon, Sylvain Boudreau, Alain Mailloux, Samuel Gouin, Pascal Deladurantaye, and François Trépanier "High non-linearities effects on pulse quality in a CPA system and mitigation strategies", Proc. SPIE 12402, Components and Packaging for Laser Systems IX, 1240202 (17 March 2023); https://doi.org/10.1117/12.2650068