1. Generation of a Purely Single Transverse Mode Vortex Beam from a He-Ne Laser Cavity with a Spot-Defect Mirror. (29th September 2011) Authors: Kano, Ken; Kozawa, Yuichi; Sato, Shunichi Other Names: Senthilkumaran Paramasivam Academic Editor. Journal: International journal of optics Issue: Volume 2012(2012) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗