1) Electromagnetic fields.

2) Optical sensors and imaging systems.

3) Statistical physics of microstructures.

4) Renewable energy resources.

Store norske leksikon (Fluidmekanikk – Store norske leksikon (snl.no))

Course responsible for PHYS102 (spring 2020 - ) and PHYS208 (fall 2015 - ).

Previously course responsible for PHYS111 (2008-2014) and PHYS328.

Has contributed to other courses throughout the years (PHYS114, PHYS117, NANO200, ENERGI210/ENERGI360, SDG207).

2014

• Lars Egil Helseth (2014). Characterisation of batteries and energy harvesting systems. (external link)
• Øyvind Aasen Tengesdal; Bjarte Lofnes Hauge; Lars Egil Helseth (2014). Electromagnetic and Optical Methods for Measurements of Salt Concentration of Water. (external link)

2020

• Lars Egil Helseth (2020). Influence of Salt Concentration on Charge Transfer When a Water Front Moves across a Junction between a Hydrophobic Dielectric and a Metal Electrode. (external link)

2021

• Lars Egil Helseth (2021). Harvesting energy from light and water droplets by covering photovoltaic cells with transparent polymers. (external link)

2003

• Lars Egil Helseth; H. Z. Wen; T. M. Fischer et al. (2003). Adsorption and Diffusion in a 1D Potential Well. (external link)

2009

• Lars Egil Helseth; Tore Skodvin (2009). Optical monitoring of low-field magnetophoretic separation of particles. (external link)

2002

• Lars Egil Helseth (2002). Model for imaging magnetic fields using a magnetooptic indicator. (external link)
• Lars Egil Helseth; Pål Erik Goa; Harald Hauglin et al. (2002). Interaction between a Magnetic Domain Wall and a Superconductor. (external link)

2012

• Lars Egil Helseth (2012). Optical monitoring of nanostructures. (external link)

2024

• Lars Egil Helseth (2024). Charge Transfer Quenching and Maximum of a Liquid-Air Contact Line Moving over a Hydrophobic Surface. (external link)

See a complete overview of publications in Cristin.