SHAPED ILLUMINATION GEOMETRY AND INTENSITY USING A DIFFRACTIVE OPTICAL ELEMENT

• Main Authors: OLDHAM, MARK F, HOFF, LOUIS B
• Format: Patent
• Language: English; French
• Published: 10.04.2003
• Edition: 7
• Subjects: COLORIMETRY; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT; MEASURING; PHYSICS; RADIATION PYROMETRY; TESTING

A method and apparatus to illuminate a target. The apparatus can comprise a first lens (30) configured to receive light from the light source (10), a diffractive optical element (40) configured to receive the light from the first lens and to regulate the light into regulated light (50), and second l...