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Nonlinear Imaging using Object-Dependent Illumination

Author(s): Lu, Jen-Tang; Goy, Alexandre S; Fleischer, Jason W

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Abstract: Nonlinear imaging systems can surpass the limits of linear optics, but nearly all rely on physical media and atomic/molecular response to work. These materials are constrained by their physical properties, such as frequency selectivity, environmental sensitivity, time behavior, and fixed nonlinear response. Here, we show that electro-optic spatial light modulators (SLMs) can take the place of traditional nonlinear media, provided that there is a feedback between the shape of the object and the pattern on the modulator. This feedback creates a designer illumination that generalizes the field of adaptive optics to include object-dependent patterns. Unlike physical media, the SLM response can provide a wide range of mathematical functions, operate over broad bandwidths at high speeds, and work equally well at high power and single-photon levels. We demonstrate the method experimentally for both coherent and incoherent light.
Electronic Publication Date: 24-Jan-2019
Citation: Lu, Jen-Tang, Goy, Alexandre S, Fleischer, Jason W. (Nonlinear Imaging using Object-Dependent Illumination. Scientific Reports, 9 (1), 10.1038/s41598-018-37030-7
DOI: doi:10.1038/s41598-018-37030-7
EISSN: 2045-2322
Language: en
Type of Material: Journal Article
Journal/Proceeding Title: Scientific Reports
Version: Final published version. This is an open access article.

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