| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Superpixel-Based Complex Field Modulation Using a Digital Micromirror Device for Focusing Light through Scattering Media |
| You-Quan Jia1, Qi Feng1, Bin Zhang1, Wei Wang2, Cheng-You Lin1**, Ying-Chun Ding1** |
1College of Science, Beijing University of Chemical Technology, Beijing 100029
2China-Japan Friendship Hospital, Beijing 100029
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| Cite this article: |
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You-Quan Jia, Qi Feng, Bin Zhang et al 2018 Chin. Phys. Lett. 35 054203 |
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Abstract We present a digital micromirror device (DMD) based superpixel method for focusing light through scattering media by modulating the complex field of incident light. Firstly, we numerically and experimentally investigate focusing light through a scattering sample using the superpixel methods with different target complex fields. Then, single-point and multiple-point focusing experiments are performed using this superpixel-based complex modulation method. In our experiment, up to 71.5% relative enhancement is realized. The use of the DMD-based superpixel method for the control of the complex field of incident light opens an avenue to improve the enhancement of focusing light through scattering media.
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Received: 05 February 2018
Published: 30 April 2018
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| Fund: Supported by the Natural Science Foundation of Beijing under Grant Nos 2162033 and 7182091, and the National Natural Science Foundation of China under Grant No 21627813. |
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