Adaptive Optics Systems

     E. Fischer*, K. Kudielka*, T. Berkefeld*, et al. "Adaptive optics upgrades for laser communications to the
     ESA optical ground station", Proc. SPIE 11852, International Conference on Space Optics — ICSO 2020,
     118522A (11 Jun 2021); https://doi.org/10.1117/12.2599370

     E. Fischer*, K. Kudielka*, A. Brady, et al. "Modular adaptive optics solution for a QKD receiver on a fork
     mount telescope system", Proc. SPIE 11852, International Conference on Space Optics — ICSO 2020,
     118520X (11 Jun 2021); https://doi.org/10.1117/12.2599216

     E. Fischer*, Th. Berkefeld*, Mikael Feriencik*, et al. "Use of adaptive optics in ground stations for high
     data rate satellite-to-ground links", Proc. SPIE 10562, International Conference on Space Optics — ICSO  
     2016, 105623L (25 Sept 2017); https://doi.org/10.1117/12.2296200

     A. Di Mira, E. Fischer*, K. Kudielka* et al., “Optical Communication with the IZN-1 Robotic
     Optical Ground Station”. 2022 9th International Workshop on Tracking, Telemetry and Command
     Systems for Space Applications (TT&C). ESA/ESTEC, Noordwijk, The Netherlands.

     K. Kudielka*, E. Fischer*, T. Berkefeld*, C. Fischer*, M. Neuweiler* et al. “Successful first optical feeder
     link demonstration between a ground station and a GEO satellite applying adaptive optics pre-
     compensation ("Alpha-Up")“, COAT2023, Mar 2023, Durham, United Kingdom.
     ⟨10.34693/COAT2023-014⟩. ⟨hal-04605018⟩

     A. Buckner*, K. Kudielka*, E. Fischer*, et al. "Up- and down- link atmospheric compensation
     experiment with Alphasat: design and initial results", Proc. SPIE 13355, Free-Space Laser
     Communications XXXVII, 1335516 (19 Mar 2025); https://doi.org/10.1117/12.3041292

*GA-Synopta staff members

Deep-Space Optical Communications

    C. Fischer* et al., “Ground Laser Receiver for Deep Space Optical Communication”, 10th International
    Workshop on Tracking, Telemetry and Command for Space, 25-28 November 2025, ESA-ESOC,
    Darmstadt.

    Johannes Pseiner, Lukas Bulla, Johannes Handsteiner, Edgar Fischer*, Klaus Kudielka*, Christoph
    Fischer* et al. "Deep-space optical communication telescope for ESA’s ground laser receiver for
    ESA/NASA Psyche deep space optical communication demonstration", Proc. SPIE 13699, International
    Conference on Space Optics — ICSO 2024, 136993L (28 Jul 2025); https://doi.org/10.1117/12.3075377

     Michael J. Yarrow, Christoph Fischer*, Aaron Buckner*, Klaus Kudielka*, Edgar Fischer* et al. "Ground
     laser transmitter for ESA’s deep-space link with NASA’s Psyche spacecraft", Proc. SPIE 13885, Free-
     Space Laser Communications XXXVIII, 138850Y (5 Mar 2026); https://doi.org/10.1117/12.3087136

*GA-Synopta staff members