Manasson, V. A. and Sadovnik, L. S. and Moussessian, A. and Rutledge, D. B. (1995) Millimeter-Wave Diffraction by a Photo-Induced Plasma Grating. IEEE Transactions on Microwave Theory and Techniques, 43 (9). pp. 2288-2290. ISSN 0018-9480 http://resolver.caltech.edu/CaltechAUTHORS:20120223-093719809
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Optical gratings are used extensively for beamsteering in the visible and IR range of the spectrum. Change in the dielectric permittivity of a semiconductor medium resulting from the excitation of a nonequilibrium electron-hole plasma makes it possible to extend this technique to MMW frequencies. A photo-induced plasma grating (PIPG) can be easily rewritten by changing the illumination pattern. So this technique can be used in optically controllable MMW antennas. Initial experimental work studied the diffraction of MMW propagating along a dielectric waveguide containing a PIPG. This paper reports on the diffraction of MMW propagating in free space, steered by the PIPG.
|Additional Information:||© 1995 IEEE. Manuscript received January 13, 1995; revised March 20, 1995. Date of Current Version: 06 August 2002. This work was supported in part by a contract from ONR (Project Monitor, W. Miceli).|
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|Official Citation:||Manasson, V.A.; Sadovnik, L.S.; Moussessian, A.; Rutledge, D.B.; , "Millimeter-wave diffraction by a photo-induced plasma grating," Microwave Theory and Techniques, IEEE Transactions on , vol.43, no.9, pp.2288-2290, Sep 1995 doi: 10.1109/22.414579 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=414579&isnumber=9222|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Ruth Sustaita|
|Deposited On:||23 Feb 2012 17:53|
|Last Modified:||26 Dec 2012 14:52|
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