Laser Expertise (United Kingdom)

An analytical thermodynamic model of laser welding

Conny Lampa, Alexander Kaplan, John Powell et al. · Journal of Physics D Applied Physics · 1997 · 168 citations

Advanced Laser Processing, Friction Welding, Engineering +10

The absorption of light by rough metal surfaces—A three-dimensional ray-tracing analysis

David Bergström, Joshua A. Powell, Alex F. Kaplan · Journal of Applied Physics · 2008 · 126 citations · Full text

Optical Materials, Engineering, Illumination Modeling +21

The absorptance of steels to Nd:YLF and Nd:YAG laser light at room temperature

David Bergström, John Powell, Alexander Kaplan · Applied Surface Science · 2006 · 122 citations

Materials Science, Photonics, Room Temperature +13

A ray-tracing analysis of the absorption of light by smooth and rough metal surfaces

David Bergström, John Powell, Alex F. Kaplan · Journal of Applied Physics · 2007 · 100 citations · Full text

Engineering, Ray-tracing Analysis, Laser Material +17

The oxidation dynamics of laser cutting of mild steel and the generation of striations on the cut edge

A. Ivarson, Joshua A. Powell, John Kamalu et al. · Journal of Materials Processing Technology · 1994 · 91 citations

Advanced Laser Processing, Engineering, Laser Cutting +10