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High-Reflection Mirror Is All-Polymer Film

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Richard Gaughan

A new generation of multilayer polymer film developed by 3M Corp. shows advanced control of optical reflection at interfaces. In its commercial release last year, the film attracted attention for its high reflectance of both incident polarizations at all incident angles over a wide wavelength band in the visible range. In the most recent iteration, 3M's 448-layer film demonstrates reflectivity greater than 99 percent for both polarizations and extends its reflectivity into the infrared between 800 and 1200 nm. "We were surprised by the incredible reflectivity of these films," said...Read full article

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    Published: July 2000
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