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Application of a beam homogenizer to planar laser diagnostics

Application of a beam homogenizer to planar laser diagnostics

Optics Express 14(22): 10171-10180

The first application of a microlens array beam homogenizer to planar laser measurement techniques in combustion diagnostics is demonstrated. The beam homogenizing properties of two microlens arrays in combination with a Fourier lens for widespread applications are presented. An uniform line profile with very little temporal fluctuations of the spatial intensity distribution was generated resulting in a significant reduction of measurement noise and enabling an easier and faster signal processing.

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Accession: 051607117

Download citation: RISBibTeXText

PMID: 19529413

DOI: 10.1364/oe.14.010171

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