Powell lenses is one kind of optical ruling lens ,Xi’an LingyuekejiLTD.CN supply powell lenses that divergence angle from 10° to 90°,the standard have 30°、45°、53°、60°、70°、85°、90°。
When 1 mm laser bean get through the Powell lenses ,it is optimized , transformed a line which is uniform,stability,straight 。Lineation by Powell lenses is better than aspheric lensse ,as by powell lense can cancelling central hotspot of Gaussian beams and fade-Marginal distribution 。