8 March 2014 Monolithic device for on-chip fast optical phase conjugation integrating an image sensor and a spatial light modulator
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Abstract
Optical phase conjugation is a technique that could find many applications in medical imaging and industry. However, state of the art techniques are limited in speed, portability and efficiency. Especially for digital optical phase conjugation, the electronic delays for image readout on a camera and addressing a spatial light modulator make this technique unpractical for phase conjugation in biological medium. Furthermore, the calibration of such a system is a very complex and expensive task. Thus, we propose integrating on the same device a camera and a liquid crystals spatial light modulator to achieve phase control thanks to in-pixel processing of a photodiode signal.
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Timothé LaForest, Timothé LaForest, Arnaud Verdant, Arnaud Verdant, Antoine Dupret, Antoine Dupret, Sylvain Gigan, Sylvain Gigan, François Ramaz, François Ramaz, Gilles Tessier, Gilles Tessier, Émilie Benoit à la Guillaume, Émilie Benoit à la Guillaume, } "Monolithic device for on-chip fast optical phase conjugation integrating an image sensor and a spatial light modulator", Proc. SPIE 8989, Smart Photonic and Optoelectronic Integrated Circuits XVI, 89890N (8 March 2014); doi: 10.1117/12.2039675; https://doi.org/10.1117/12.2039675
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