Reversible, controlled creation of patterns of topological defects in liquid crystals is achieved using focused beams with optical phase singularities.
John Merritt and Andrew Woods pay a visit to SPIE headquarters and talk about advances with 3D display technology, the issues with crosstalk, and some of the fields in which 3D displays have found applicability.
Adding variable or multiple focal planes to enhance viewers' perception of computer-generated scenes has implications for both the application and usability of near-eye displays.
Organic layers containing cheap, easily processable rhenium heptoxide show very good hole transport and injection characteristics without detrimental absorbance of visible light.
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