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Geometric superresolution and field-of-view extension achieved using digital mirror devices

[+] Author Affiliations
Alex Zlotnik, Yuval Kapellner, Zvika Afik, Itshak Layani, Zeev Zalevsky

Bar-Ilan University, Faculty of Engineering, Ramat-Gan, 52900, Israel

J. Micro/Nanolith. MEMS MOEMS. 12(3), 033001 (Jul 08, 2013). doi:10.1117/1.JMM.12.3.033001
History: Received February 25, 2013; Revised May 22, 2013; Accepted June 11, 2013
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Abstract.  Superresolving configurations that integrate two digital mirror devices (DMDs) in the aperture and/or in the intermediate image plane are presented. The usage of DMDs allows obtaining geometric resolution improvement, enhancing field of view (FOV), and reducing aberrations such as defocusing and blurring (obtained due to relative movement during the integration time of the camera). The idea behind all the above-mentioned applications is to use the DMDs to properly encode the space and the spatial frequency domains such that the object’s information can be separated from the above mentioned aberrations, distortions, limitations, and noises. The compressed sensing concept is applied in order to allow capturing in time-less images than the obtainable improvement factor (of resolution, of FOV, or of aberration correction).

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© 2013 Society of Photo-Optical Instrumentation Engineers

Citation

Alex Zlotnik ; Yuval Kapellner ; Zvika Afik ; Itshak Layani and Zeev Zalevsky
"Geometric superresolution and field-of-view extension achieved using digital mirror devices", J. Micro/Nanolith. MEMS MOEMS. 12(3), 033001 (Jul 08, 2013). ; http://dx.doi.org/10.1117/1.JMM.12.3.033001


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