Abstract
Class: 359321000 (USPTO).
An apparatus for all-optical deflection of an incident optical signal beam, the apparatus comprising: a photorefractive semiconductor crystal; and an electric field source, for applying an electric field across the crystal either through electrodes or by positioning the crystal at a place where an electric field is present. In another embodiment of the invention a second optical beam source, for illuminating the crystal with a background optical beam. The apparatus is used for steering the signal beam, lensing it or for other applications.
| Original language | American English |
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| State | Published - 2008 |