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Spectral speckle customization
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DOI：10.1364/OPTICA.499461.png)
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Abstract
En 中文
Speckle patterns are used in a broad range of applications including microscopy, imaging, and light-matter interactions. Tailoring speckles' statistics can dramatically enhance their performance in applications. We present an experimental technique for customizing the spatio-spectral speckled intensity statistics of optical pulses at the output of a complex medium (a disordered multimode fiber) by controlling the spatial profile of the input light. We demonstrate that it is possible to create ensembles of independent speckle patterns with arbitrary statistics at a single wavelength, simultaneously at multiple decorrelated wavelengths, and even tailored statistics across an entire pulse spectrum. (c) 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
Keywords:
STRUCTURED ILLUMINATION
RAYLEIGH SPECKLE
PHASE
SCATTERING
ORDER
ENHANCEMENT
STATISTICS
MICROSCOPY
CONTRAST
SPACE
Journal
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8.5
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2.4K
Citations:
2.1W