Published January 1, 2011
| Version v1
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Photosensitivity control of an isotropic medium through polarization of light pulses with tilted intensity front
Creators
- 1. Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
- 2. Kyoto Univ, Grad Sch Engn, Dept Chem Mat, Sakyo Ku, Kyoto 6068501, Japan
- 3. Univ Eastern Finland, Dept Math & Phys, FI-80101 Kuopio, Finland
- 4. Istanbul Tech Univ, Dept Phys, TR-34469 Istanbul, Turkey
Description
We present the first experimental evidence of anisotropic photosensitivity of an isotropic homogeneous medium under uniform illumination. Our experiments reveal fundamentally new type of light induced anisotropy originated from the hidden asymmetry of pulsed light beam with a finite tilt of intensity front. We anticipate that the observed phenomenon, which enables employing mutual orientation of a light polarization plane and pulse front tilt to control interaction of matter with ultrashort light pulses, will open new opportunities in material processing. (C)2011 Optical Society of America
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