期刊
APPLIED PHYSICS LETTERS
卷 97, 期 18, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3513289
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资金
- Air Force Office of Scientific Research, Air Force Material Command, U.S. Air Force [FA8655-07-1-3046]
We present the results of realization and study of a light beam splitting effect based on a full-optically controlled holographic diffraction grating. The high quality, light responsive, periodic structure, which is exploited as tunable beam splitter, is monitored by combining its zero and first diffracted orders in a Mach-Zehnder geometry interferometer. The interference pattern exhibits a dependence of the fringe visibility on the external optical pump power utilized to drive the splitting effect. The visibility, characterized by means of a standard pump-probe optical setup, reveals a strong dependence on the polarization of the probe radiation and on its incident angle as well. The effect is reversible and repeatable, and shows a continuously adjustable fringe visibility in the range 0.94-0.2, with response times in the millisecond range. (C) 2010 American Institute of Physics. [doi:10.1063/1.3513289]
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