LENTILLE CYLINDRIQUE, SYSTEME DE LENTILLE, ENSEMBLE DE LENTILLES CYLINDRIQUES, SYSTEME DE LASER A SEMICONDUCTEUR ET SYSTEME DE TRAITEMENT DE MATIERE

摘要

The lens (1) has a spherical or parabolic surface (2) with approximately cylindrical form, and a flat surface (3) extending over an end region perpendicular to upper and lower surfaces (4, 5). An optical diffraction unit (6) formed in the surface (3) extends in an optical longitudinal axis, in a direction that extends perpendicular to the axis, and in a plane of a principal optical beam (H). - Independent claims are also included for the following: - (1) a lens system comprising a cylindrical lens - (2) a semiconductor laser system comprising a cylindrical lens - (3) a material treatment system comprising a cylindrical system.