Optical materials podcasts, July–October 2019

Colorful future for new plasmonic paint

A novel plasmonic paint utilizes a nanoscale structural arrangement of aluminum and aluminum oxide to create different colors.

Colorful fibers act as optical barcode for colorful clothes

Researchers have used structural-color fibers comprising layers of different polymers to produce an optical barcode for identifying different fabrics.

Tri-functional metasurface enhanced with a physically unclonable function

Semiconductor metasurface offers coherent way to steer light

Researchers have developed a semiconductor metasurface that can dynamically steer light pulses from incoherent light sources like LEDs.

Novel light-responsive polymer material walks at caterpillar speed

Using a new polymer material that undulates when illuminated, scientists have developed the first device for converting light directly into walking.