| 摘要 |
FIELD: physics. ^ SUBSTANCE: device has a lens, having an axis, an input dioptre and an output dioptre. The output dioptre has a first collecting section, a second collecting section and a scattering section which connects said first and second collecting sections. The output dioptre has an axially symmetric continuous surface around the axis of rotation which is perpendicular to said axis. ^ EFFECT: high uniformity of illumination. ^ 19 cl, 10 dwg |
