Patent ID: 8705005
Filing Date: 2014-04-22
Classification: G03F

Abstract:
1. A system configured to illuminate an illumination field with light, the system comprising: a first raster array comprising first raster elements arranged in first raster lines and first raster columns, the first raster array being in or adjacent to a first plane, wherein the first array is configured to receive light and to generate a raster array of secondary light sources of the light in a pupil plane of the system; transmission optics configured to guide channels of light of the secondary light sources into the illumination field; a device spatially adjacent to the first raster array or in a plane which is optically conjugate with a plane in which the first raster array is disposed, wherein during use of the system, the device influences at least one property of the light so that: wherein the system is a microlithographic illumination system.