Record link: 
http://hdl.handle.net/20.500.12708/190768
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Title: 
Nonlinear feedback stabilisation and stochastic disturbance suppression of actively Q-switched lasers
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Citation: 
Tarra, L., Deutschmann-Olek, A., & Kugi, A. (2023). Nonlinear feedback stabilisation and stochastic disturbance suppression of actively Q-switched lasers. In H. Ishii, Y. Ebihara, J. Imura, & M. Yamakita (Eds.), 22nd IFAC World Congress (pp. 77–82). Elsevier. https://doi.org/10.1016/j.ifacol.2023.10.1550
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Publisher DOI: 
10.1016/j.ifacol.2023.10.1550
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Publication Type: 
Inproceedings - Full-Paper Contribution
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Language: 
English
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Authors: 
Tarra, Lukas 
Deutschmann-Olek, Andreas 
Kugi, Andreas 
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Organisational Unit: 
E376-02 - Forschungsbereich Komplexe Dynamische Systeme 
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Published in: 
22nd IFAC World Congress 
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Volume: 
56, 2
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Date (published): 
2023
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Event name: 
22nd IFAC World Congress 
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Event date: 
9-Jul-2023 - 14-Jul-2023
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Event place: 
Yokohama, Japan
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Number of Pages: 
6
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Publisher: 
Elsevier
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Keywords: 
Q-switched Lasers; feedback stabilization; control of bifurcation and chaos; disturbance rejection; estimation and filtering
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Abstract: 
Actively Q-switched lasers are widely used tools which are required to produce stable output pulse energies for many applications. In this paper, a model-based control concept for actively Q-switched lasers is presented which stabilises their nonlinear pulse-to-pulse dynamics and rejects stochastic disturbances arising from amplified spontaneous emission. The feasibility of the control task is demonstrated to strongly depend on the design of the semi-active prelasing approach. In contrast to state-of-the-art hardware-based controllers, the proposed concept is flexible and cost-effective as it is not tailored to specific operation parameters.
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Research Areas: 
Mathematical and Algorithmic Foundations: 70%
Modeling and Simulation: 30%
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Science Branch: 
2020 - Elektrotechnik, Elektronik, Informationstechnik: 100%
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Appears in Collections:
Conference Paper

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