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|Title:||Tunable window device based on micro-wrinkling of nanometric zinc-oxide thin film on elastomer||Authors:||Shrestha, Milan
tunable window device
|Issue Date:||2016||Source:||Shrestha, M., & Lau, G.-K. (2016). Tunable window device based on micro-wrinkling of nanometric zinc-oxide thin film on elastomer. Optics Letters, 41(19), 4433-4436.||Series/Report no.:||Optics Letters||Abstract:||This Letter presents a tunable window device based on microscopic wrinkling of a transparent elastomeric surface. “Crack-free” microscopic wrinkling of a 50-nm ZnO thin film is possible on a highly adhesive acrylic elastomer membrane (VHB 4910) upon partial release from a large radial pre-stretch of membrane. This ZnO-based tunable window device demonstrates reversible tunability between transparent and translucent states. At zero compression with a flat surface, the device is transparent with a 93% in-line transmittance at 550-nm wavelength. At 14% radial compression with wrinkled surface, the device appears translucent with a 3% in-line transmittance. Analysis shows that a large amplitude and a small wavelength of transparent micro-wrinkles are good for refracting light diffusely. This method and material system are promising to make a low-cost, high-performance smart window.||URI:||https://hdl.handle.net/10356/84024
|ISSN:||0146-9592||DOI:||10.1364/OL.41.004433||Rights:||© 2016 Optical Society of America.||Fulltext Permission:||none||Fulltext Availability:||No Fulltext|
|Appears in Collections:||MAE Journal Articles|
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