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https://hdl.handle.net/10356/84024
Title: | Tunable window device based on micro-wrinkling of nanometric zinc-oxide thin film on elastomer | Authors: | Shrestha, Milan Lau, Gih-Keong |
Keywords: | elastomer 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 http://hdl.handle.net/10220/41546 |
ISSN: | 0146-9592 | DOI: | 10.1364/OL.41.004433 | Schools: | School of Mechanical and Aerospace Engineering | Research Centres: | Singapore Centre for 3D Printing | Rights: | © 2016 Optical Society of America. | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | MAE Journal Articles |
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