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Omnidirectional color wavelength tuning of stretchable chiral liquid crystal elastomers - EurekAlert
Color and wavelength tunable photonic devices offer reconfigurable functionalities to conventional photonic systems, providing significant technological advantages. Therefore, there has been a significant surge in research interest in wavelength-tunable technology due to its significance and impact across various industries and technologies. However, thus far, wavelength tuning in such devices has been limited to a single directional selection rather than allowing for on-demand free control. Addressing this limitation, researchers from the team led by Prof. Su Seok Choi at POSTECH in Korea have developed photonic devices capable of free omnidirectional wavelength tuning, both towards longer and shorter wavelengths using flexible and stretchable nano structural colors materials. This innovation expands the versatility of tunable photonics, paving the way for advanced electro-optic systems in the future, including applications in display, optical encryption, tunable camouflage, optical sensing, photonic communication and electronic skin.
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