Phillip Rall: Improving High-Power Laser Optics
Thermal lensing is an unwanted effect in optics used for high-power laser imaging. The high light intensity causes a heat up of the lenses which induces a focus shift. To tackle this issue, Phillip Rall recently presented a “Simulation and compensation of thermal lensing in high-power optical systems” using a combination of the finite element method and ray tracing. By this approach new methods for compensation of thermal lensing are enabled.