Journal
OPTICS EXPRESS
Volume 27, Issue 6, Pages 9054-9060Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.27.009054
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Funding
- National Natural Science Foundation of China [61727808]
- Shanghai Jiao Tong University [YG2016QN37]
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We report a non-interferometric single-exposure technique for fabricating Pancharatnam-Berry (PB) devices with arbitrary wavefronts, via photo-patterning an azo-dye doped LC with a mo-dimensional linear polarization field, whose local polarization direction can be controlled by a spatial light modulator (SLM) on the pixel level. Upon one exposure. different local LC orientations are generated simultaneously. The non-interferometric approach is insensitive to environmental disturbance, and moreover, the dynamic phase mask on the SLM can be conveniently reconfigured by a computer. Our fabricated PB gratings, q-plates and hologram exhibit good optical performances. Such a simple yet reconfigurable fabrication method enables new PB devices to be developed, and it would open a new gateway towards widespread applications. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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