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Sensors 2009, 9(4), 2345-2351; doi:10.3390/s90402345
Article

Digital Mirror Device Application in Reduction of Wave-front Phase Errors

1,* , 2
 and 3
1 Department of Physics, School of Science, Kunming University of Science and Technology, No. 68, Wenchang Road, 121 Street, Kunming, Yunnan Province. ZIP: 650093, P.R. China 2 Air Force Engineering University, Xi'an 710077, P.R. China 3 Kunming Metallurgy College, Kunming 650033, P.R. China
* Author to whom correspondence should be addressed.
Received: 21 January 2009 / Revised: 17 March 2009 / Accepted: 24 March 2009 / Published: 30 March 2009
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Abstract

In order to correct the image distortion created by the mixing/shear layer, creative and effectual correction methods are necessary. First, a method combining adaptive optics (AO) correction with a digital micro-mirror device (DMD) is presented. Second, performance of an AO system using the Phase Diverse Speckle (PDS) principle is characterized in detail. Through combining the DMD method with PDS, a significant reduction in wavefront phase error is achieved in simulations and experiments. This kind of complex correction principle can be used to recovery the degraded images caused by unforeseen error sources.
Keywords: DMD; PDS; wavefront phase error; optical correction; phase aberrations DMD; PDS; wavefront phase error; optical correction; phase aberrations
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Zhang, Y.; Liu, Y.; Wang, S. Digital Mirror Device Application in Reduction of Wave-front Phase Errors. Sensors 2009, 9, 2345-2351.

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