'Groovy' hologram creates strange state of light

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'Groovy' hologram creates strange state of light

Description (Harvard University) A new three-in-one optical element can control light's amplitude, phase, and polarization through a wedding of old-fashioned holograms and state-of-the-art nanoscale features. An unusual state of light, a radially polarized beam, which is important for microscopy and particle manipulation, has been created by sending conventional laser light through this holographic plate.
Imported on 22 Aug 2013, 11:06
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