Full-field diffraction particle sizing.
<p>A particle-sizing technique that retrieves the size of particles by analysis of the far-field diffraction pattern their images produce has been developed. The technique consists of capturing images of particles, interrogating the images, and inverting the resulting data to yield particle-size distributions.</p><p>The technique acquires spatially resolved size information that is especially useful in analyzing transient sprays. Dense groups of particles do not appear to hinder the performance of the technique.</p><p>The technique is implemented to study diesel sprays. Both detailed spatially resolved size information and general size trends are obtained.</p>
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Farrell