• Chaos: A new mechanism for enhancing the optical generation rate in optically thin solar cells 

      Seim, Eivind; Kohler, Achim; Lukacs, Rozalia; Brandsrud, Maren Anna; Marstein, Erik Stensrud; Olsen, Espen; Blümel, R. (Peer reviewed; Journal article, 2019)
      The photogenerated current of solar cells can be enhanced by light management with surface structures. For solar cells with optically thin absorbing layers, it is especially important to take advantage of this fact through ...
    • An exact ray model for oblique incident light on planar films 

      Brandsrud, Maren Anna; Blümel, Reinhold; You, Chang Chuan; Marstein, Erik Stensrud; Seim, Eivind; Lukacs, Rozalia; Olsen, Espen; Kohler, Achim (Peer reviewed; Journal article, 2021)
      During recent years, ray tracing has frequently been used to study the absorption characteristics of structured solar cells. However, wave properties such as absorption enhancement due to resonances in optically thin solar ...
    • An exact ray model for oblique incident light on planar films 

      Brandsrud, Maren Anna; Blümel, Reinhold; You, Chang Chuan; Marstein, Erik Stensrud; Seim, Eivind; Lukacs, Rozalia; Olsen, Espen; Kohler, Achim (Peer reviewed; Journal article, 2021)
      During recent years, ray tracing has frequently been used to study the absorption characteristics of structured solar cells. However, wave properties such as absorption enhancement due to resonances in optically thin solar ...
    • Exact ray theory for the calculation of the optical generation rate in optically thin solar cells 

      Brandsrud, Maren Anna; Seim, Eivind; Lukacs, Rozalia; Kohler, Achim; Marstein, Erik Stensrud; Olsen, Espen; Blümel, Reinhold (Journal article; Peer reviewed, 2018)
      There is a profound duality between rays and waves. In fact, 70 years ago, in the context of quantum mechanics, Feynman showed that rays, properly equipped with phases and correctly summed, provide exact solutions of the ...
    • Investigation of resonance structures in optically thin solar cells 

      Brandsrud, Maren Anna; Blümel, Reinhold; Lukacs, Rozalia; Seim, Eivind; Marstein, Erik Stensrud; Olsen, Espen; Kohler, Achim (Peer reviewed; Journal article, 2021)
    • Mie ripples and wiggles in infrared spectroscopy of cells and tissues 

      Eriksen, Simen Rønnekleiv (Master thesis, 2020)
      Micro-spectroscopy yields chemical information about the microscopic structures in biological tissues in its native form. The great challenge of it is to understand the dynamics of scattered and absorbed light, which makes ...
    • Scattering and absorption in nano- and microstructured media 

      Brandsrud, Maren Anna (PhD thesis;2020:51, Doctoral thesis, 2020)
      When electromagnetic radiation interacts with objects of the same wavelength as the radiation, the objects can act as resonators and strong scattering effects appear. The goal of this PhD project has been to understand ...
    • Understanding resonant structures of coupled disks for light management in photovoltaics 

      Brandsrud, Maren Anna (Master thesis, 2016-03-31)
      Thin film solar cells offer a reduced material usage at the expense of lower efficiency. Effective light management in nanostructures can contribute to an increasing efficiency and absorption of energy in the devices. ...
    • Wave chaos enhanced light trapping in optically thin solar cells 

      Seim, Eivind; Kohler, Achim; Lukacs, Rozalia; Brandsrud, Maren Anna; Marstein, Erik Stensrud; Olsen, Espen; Blümel, Reinhold (Peer reviewed; Journal article, 2021)