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Hamamatsu Corp. - Earth Innovations LB 2/24

Formulating Lenses that Focus on Their Own

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Researchers at the University of Wisconsin-Madison have devised some smart microlenses that change optical properties, such as focal length, on their own in response to varying environmental conditions. The devices, either singly or in arrays, could be used for direct optical readout of sensors, in microimaging systems for medical diagnostics and biological studies, or in an optical system integrated into a lab on a chip. The microlenses are composed of oil, water, glass and, most importantly, hydrogels — jellylike polymers that respond to the environment. The hydrogels are the basis of...Read full article

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    Published: September 2006
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