A novel algorithm for fast and efficient multifocus wavefront shaping

Zahra Fayyaz; Mohammadreza Nasiriavanaki

doi:10.1117/12.2291316

22 February 2018 A novel algorithm for fast and efficient multifocus wavefront shaping

Zahra Fayyaz, Mohammadreza Nasiriavanaki

Proceedings Volume 10494, Photons Plus Ultrasound: Imaging and Sensing 2018; 1049441 (2018) https://doi.org/10.1117/12.2291316
Event: SPIE BiOS, 2018, San Francisco, California, United States

Abstract

Wavefront shaping using spatial light modulator (SLM) is a popular method for focusing light through a turbid media, such as biological tissues. Usually, in iterative optimization methods, due to the very large number of pixels in SLM, larger pixels are formed, bins, and the phase value of the bins are changed to obtain an optimum phase map, hence a focus. In this study an efficient optimization algorithm is proposed to obtain an arbitrary map of focus utilizing all the SLM pixels or small bin sizes. The application of such methodology in dermatology, hair removal in particular, is explored and discussed

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Zahra Fayyaz and Mohammadreza Nasiriavanaki "A novel algorithm for fast and efficient multifocus wavefront shaping", Proc. SPIE 10494, Photons Plus Ultrasound: Imaging and Sensing 2018, 1049441 (22 February 2018); https://doi.org/10.1117/12.2291316

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KEYWORDS

Wavefronts

Light scattering

Scattering

Spatial light modulators

Target detection

Dermatology

Detection and tracking algorithms

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