1. ISO 11146-1: 2005 (E), “Lasers and laser-related equipment-Test methods for laser beam widths, divergence angles and beam propagation ratios-Part 1: Stigmatic and simple astigmatic beams”, International Organization for Standards, (2005).
2. Westphallen, “M2-Measurement Report”, Private Study, Fraunhofer ILT, July 29, 2016.
3. Real time laser beam analysis system for high power lasers;Scaggs,2011
4. Thermal lensing compensation optics for high power lasers;Scaggs,2011