Showing posts with label electric current. Show all posts
Showing posts with label electric current. Show all posts
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The orbital angular momentum and polarization of a twisted light beam can be chosen at will. A careful examination of fields' profiles r... -
In the 90s it was shown that light carrying orbital angular momentum, that is twisted light , can be produced at will in the lab using conve... -
Twisted light may have electric and magnetic field simultaneously in all directions. For a tightly-focused beam, the component in the direct... -
After covering the basic theory on twisted light - solid interaction we may ask, are there interesting uses for this electromagnetic fields ... -
Tightly-focused beams may have a strong electric field in the direction of propagation, and can be used at normal incidence to excite specia... -
HAPPY NEW YEAR 2016 !! I want to share with all our Blog readers a retrospect of events in 2015. As it happens to me, I hope this short acc...
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One of the most basic semiconductor heterostructures clean rooms all over the world routinely build are quantum wells (QW). They comprise a ... -
The most basic representation of the light-matter interaction is the minimal coupling, that relates the momentum of a charge particle to the... -
Light carrying orbital angular momentum induces in semiconductor quantum rings a clear electronic transition from a single valence-band stat...
