... a straight laser line. At present our Powell Lens are available in fan angles of 5°, 10°, 15°, 20°, 30°, 45°, 53°, 60 ... °, 70°, 75°, 85°, 90° and 96°. The optical line generator ... convert the beam into a uniform, straight line. Using this lens design will result in an impressive, even distribution of energy along ...