• In search of a sharper line focus: Rotating the étendue 

      Johnsen, Håkon Jarand Dugstad; Miñano, Juan Carlos (Journal article; Peer reviewed, 2022)
    • Pushing the limits of beam-steering lens arrays 

      Johnsen, Håkon Jarand Dugstad; Aksnes, Astrid; Torgersen, Jan (Journal article; Peer reviewed, 2019)
      An essential part of a concentrated solar power system is the solar tracker. Tracking is usually implemented by rotating the entire optical system to follow the sun, adding to the bulk and complexity of the system. ...