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Iris is a biological tissue that can change the pupil size to stabilize light transmission into the eye. In article number 1701814, Hao Zeng, Arri Priimagi and co‐workers report an artificial iris made of radially photo‐aligned liquid crystal elastomer. This soft device is capable of self‐regulating its aperture size in response to changing incident light intensity.
The iris, found in many animal species, is a biological tissue that can change the aperture (pupil) size to regulate light transmission into the eye in response to varying illumination conditions. The self‐regulation of the eye lies behind its autofocusing ability and large dynamic range, rendering it the ultimate “imaging device” and a continuous source of inspiration in science. In optical imaging...
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