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Tunable color pixels have a variety of applications from displays to photonic signal routing and sensing. Here we will present our recent simulations and experiments on tunable color pixels created from multilayer metal-hydride systems, showing vivid color production with wavelength shifts >100 nm during hydrogenation of various alloys. We show how pure metal hydrides can be used as tunable photonic elements throughout the visible and near-infrared, how alloying can lead to higher hydrogen fractions because of film stresses and microstructuring, and how novel optical materials can be used as substrates to further enhance these effects.
Micah Karahadian andJeremy N. Munday
"Switchable color filters using metal-hydrides", Proc. SPIE PC12415, Physics and Simulation of Optoelectronic Devices XXXI, PC124150A (20 March 2023); https://doi.org/10.1117/12.2650745
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Micah Karahadian, Jeremy N. Munday, "Switchable color filters using metal-hydrides," Proc. SPIE PC12415, Physics and Simulation of Optoelectronic Devices XXXI, PC124150A (20 March 2023); https://doi.org/10.1117/12.2650745