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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 。
