Patent ID: 9678350
Date: 2017-06-13
CPC Classifications: G02B,G02F,G03F,H01S

Claim:
1. An illumination apparatus, comprising: a laser source, the laser source configured for providing a laser having a predetermined DUV wavelength and a power up to 500 mW; a beam scanner, the beam scanner configured for directly receiving the laser from the laser source and scanning the laser from the laser source utilizing a polygon scanner or a resonant scanner to provide a plurality of parallel beams; and a frequency converter, the frequency converter configured for receiving the plurality of parallel beams, converting the frequency of each of the plurality of parallel beams such that each of the plurality of converted parallel beams has a second predetermined wavelength, and providing the plurality of converted parallel beams as output, wherein the plurality of parallel beams are distributed across a plurality of spots on the frequency converter during operations of the illumination apparatus to reduce time-averaged fluences at the plurality of spots on the frequency converter.