Sentences with phrase «as photonic crystals»

Such structures are also found in nature (for example, in green - winged teal feathers and in some butterfly wings) and are known as photonic crystals.
In B. pavonina, however, this stacking is far more regular, creating what are known as photonic crystals.
Zheng Wang and colleagues at the Massachusetts Institute of Technology have made what's known as a photonic crystal from an array of ferrite rods.
These images depict how the photonic sensor translates finger movements into color changes, as the photonic crystal reacts to the change in local humidity caused by the approach of the finger without direct contact.
This leaves behind a porous, weblike polymer structure, which now acts as the photonic crystal.

Not exact matches

Tiny, mirrorlike structures known as distributed Bragg reflectors reflect this fluorescent light as well as all the other light the photonic crystal allows to pass through.
«It is particularly refreshing to see simple techniques such as inkjet printing being used to such great effect,» says Thomas Krauss who investigates photonic crystals at the University of York.
For example, photonic crystals could funnel excess heat from a power plant's generator and release it over a much smaller band of frequencies to drive engines — such as those in electric - powered cars that can absorb energy only within a small range — much more efficiently.
In packed, two - dimensional crystalline systems, such as in photonic two - dimensional crystals, the particles are organized in hexagonal lattices.
Left - bottom: Variation of quantum dot emission line frequencies as a function of time due to vibrations of the photonic crystal membrane.
In this case, Lu was able to calculate precise measurements for the construction of a photonic crystal predicted to produce the manifestation of Weyl points — with dimensions and precise angles between arrays of holes drilled through the material, a configuration known as a gyroid structure.
American researchers have now used a photonic crystal as a reflector for a miniature microwave antenna which could one day be fabricated on a single chip along with control electronics.
EPFL scientists have now fabricated and experimentally tested a silicon - based «photonic crystal nanocavity» (PCN) that requires an unprecedentedly low amount of energy to operate as a switch.
We also propose the fabrication of 1D photonic crystal and microcavities employing a magneto - optical material as TGG (Tb3Ga5O12).
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