Please use this identifier to cite or link to this item: 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
Rights: © 2016 Optical Society of America.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MAE Journal Articles

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