Research
1) Electromagnetic fields.
2) Optical sensors and imaging systems.
3) Statistical physics of microstructures.
4) Renewable energy resources.
Outreach
Store norske leksikon (Fluidmekanikk – Store norske leksikon (snl.no))
Teaching
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).
Publications
2026
2015
- Xiaodong Guo; Lars Egil Helseth (2015). Layer-by-layer polyelectrolyte films for contact electric energy harvesting. (external link)
- Espen Hestenes Eika; Lars Egil Helseth (2015). Photocapacitor systems for generation and storage of electrical energy. (external link)
- Tonje Opkvitne; Lars Egil Helseth (2015). Investigation of a new optical technology for the detection of Hydrogen Peroxide in water. (external link)
- Lars Egil Helseth (2015). Optisk overvåking av vann. (external link)
- Xiaodong Guo; Ye Dai; Mingjun Gong et al. (2015). Changes in wetting and contact charge transfer by femtosecond laser-ablation of polyimide. (external link)
- Xiaodong Guo; Lars Egil Helseth (2015). Optical and wetting properties of nanostructured fluorinated ethylene propylene changed by mechanical deformation and its application in triboelectric nanogenerators. (external link)
- Lars Egil Helseth; Xiaodong Guo (2015). Contact electrification and energy harvesting using periodically contacted and squeezed water droplets. (external link)