ArticleJournal of biomedical optics2018
High-speed alignment optimization of digital optical phase conjugation systems based on autocovariance analysis in conjunction with orthonormal rectangular polynomials.
Article in Journal of biomedical optics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Article
- High-speed single-exposure time-reversed ultrasonically encoded optical focusing against dynamic scattering.Science advances · 2022Article
- Intelligently optimized digital optical phase conjugation with particle swarm optimization.Optics letters · 2020Article
- Implementation of digital optical phase conjugation with embedded calibration and phase rectification.Scientific reports · 2019Article
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Authors and funding
4 authors.
Funding
Abstract
Digital optical phase conjugation (DOPC) enables many optical applications by permitting focusing of light through scattering media. However, DOPC systems require precise alignment of all optical components, particularly of the spatial light modulator (SLM) and camera, in order to accurately record the wavefront and perform playback through the use of time-reversal symmetry. We present a digital compensation technique to optimize the alignment of the SLM in five degrees of freedom, permitting focusing through thick scattering media with a thickness of 5 mm and transport scattering coefficient of 2.5 mm - 1 while simultaneously improving focal quality, as quantified by the peak-to-background ratio, by several orders of magnitude over an unoptimized alignment.
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Registered trials
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