1. A simple design of uniform LED illumination using catadioptric collimator and freeform lenslet array. (October 2022) Authors: Vu, DT; Vu, H; Shin, S; Kieu, NM; Tien, TQ; Vu, NH Journal: Lighting research & technology Issue: Volume 54:Number 6(2022) Page Start: 546 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗