Femtosecond optical parametric amplification in BBO and KTA driven by a Ti:sapphire laser for LIDT testing and diagnostic development

0521885 - FZÚ 2020 RIV US eng C - Konferenční příspěvek (zahraniční konf.)
Meadows, Alexander R. - Cupal, Josef - Hříbek, Petr - Ďurák, Michal - Kramer, Daniel - Rus, Bedřich
Femtosecond optical parametric amplification in BBO and KTA driven by a Ti:sapphire laser for LIDT testing and diagnostic development.
High-Power, High-Energy, and High-Intensity Laser Technology III. Bellingham: SPIE, 2017 - (Hein, J.), Roč. 10238 (2017), s. 1-10, č. článku 102380E. Proceedings of SPIE, 10238. ISBN 9781510609778. ISSN 0277-786X.
[High-Power, High-Energy, and High-Intensity Laser Technology III. Praha (CZ), 26.04.2017-27.04.2017]
Grant CEP: GA MŠMT LM2015065
Institucionální podpora: RVO:68378271
Klíčová slova: optical parametric amplification * Ti:sapphire * nonlinear optics
Obor OECD: Optics (including laser optics and quantum optics)

We present the design of a collinear femtosecond optical parametric amplification (OPA) system producing a tunable output at wavelengths between 1030 nm and 1080 nm from a Ti:Sapphire pump laser at a wavelength of 795 nm. Generation of a supercontinuum seed pulse is followed by one stage of amplification in Beta Barium Borate (BBO) and two stages of amplification in Potassium Titanyle Arsenate (KTA), resulting in a 225 μJ output pulse with a duration of 90 fs. The output of the system has been measured by self-referenced spectral interferometry to yield the complete spectrum and spectral phase of the pulse. When compared to KTP, the greater transparency of KTA in the spectral range from 3 - 4 μm allows for reduced idler absorption and enhanced gain from the OPA process when it is pumped by the fundamental frequency of a Ti:sapphire laser.
Trvalý link: http://hdl.handle.net/11104/0306432