Achromatic laser-beam shapers employing spatially varying twisted nematic liquid crystals (LC’s) have been demonstrated for high-peak-power applications. The LC molecular orientation was achieved through photolithographic patterning of an alignment layer using polarized UV light.
© 2010 The Optical Society
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3300) Lasers and laser optics : Laser beam shaping
(230.0230) Optical devices : Optical devices
(230.3720) Optical devices : Liquid-crystal devices
M. Vargas, Z. Zhao, K. L. Marshall, and C. Dorrer, "Optically Patterned Liquid Crystal Devices for High-Resolution Beam Shaping," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optical Society of America, 2010), paper CTuG2.