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11 March 2020 Scattering assisted imaging (Conference Presentation)
Marco Leonetti, Alfonso Grimaldi, Silvia Ghirga, Giancarlo Ruocco, Giuseppe Antonacci
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Proceedings Volume 11248, Adaptive Optics and Wavefront Control for Biological Systems VI; 112480H (2020) https://doi.org/10.1117/12.2535590
Event: SPIE BiOS, 2020, San Francisco, California, United States
Abstract
Standard imaging systems provide a spatial resolution that is ultimately dictated by the numerical aperture. In biological tissues, the resolution degraded by scattering which limits the imaging at a depth. Here, we exploit the properties of speckle patterns embedded into a strongly scattering matrix to illuminate the sample at high spatial frequency content. Combining adaptive optics with a custom deconvolution algorithm, we obtain a resolution improvement of a factor < 2.5. Our Scattering Assisted Imaging (SAI, M. Leonetti et al., Sci. Rep. 9:4591 (2019)) provides an effective solution to increase the resolution when long working distance optics are needed.
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Marco Leonetti, Alfonso Grimaldi, Silvia Ghirga, Giancarlo Ruocco, and Giuseppe Antonacci "Scattering assisted imaging (Conference Presentation)", Proc. SPIE 11248, Adaptive Optics and Wavefront Control for Biological Systems VI, 112480H (11 March 2020); https://doi.org/10.1117/12.2535590
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KEYWORDS
Scattering
Electromagnetic scattering
Light scattering
Image resolution
Imaging systems
Point spread functions
Speckle pattern
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