Antireflection coatings are familiar from their use in everyday optical devices, such as glasses and lenses. They can increase the amount of light that passes through optical instruments by reducing the fraction of light ...
Optics & Photonics
May 21, 2014
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(Phys.org) —Metamaterials, or materials that have had their matter rearranged so they interact with light in specific ways, could be key to making everything from super lenses for satellite surveillance to biosensors that ...
Condensed Matter
Apr 18, 2014
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Controlling and bending light around an object so it appears invisible to the naked eye is the theory behind fictional invisibility cloaks.
Optics & Photonics
Mar 31, 2014
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Using an inexpensive inkjet printer, University of Utah electrical engineers produced microscopic structures that use light in metals to carry information. This new technique, which controls electrical conductivity within ...
Optics & Photonics
Mar 7, 2014
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(Phys.org) —'Smart' holograms, which are currently being tested to monitor diabetes, and could be used to monitor a wide range of medical and environmental conditions in future, have been developed by researchers.
Optics & Photonics
Jan 22, 2014
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(Phys.org) —Researchers have shown how to increase the efficiency of thin-film solar cells, a technology that could bring low-cost solar energy. The approach uses 3-D "photonic crystals" to absorb more sunlight than conventional ...
Nanomaterials
Jan 14, 2014
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(Phys.org) —Medical diagnostic and security scanners with higher sensitivity could result from University of Adelaide research into detecting T-rays (terahertz waves).
Optics & Photonics
Jul 11, 2013
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(Phys.org) —The new material's artificial "atoms" are designed to work with a broad range of light frequencies. With adjustments, the researchers believe it could lead to perfect microscope lenses or invisibility cloaks.
Optics & Photonics
May 7, 2013
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