Abstract
Spatial coherence in imaging has one notorious consequence: speckle. It
corrupts images and limits laser use in applications ranging from modern microscopy
to digital light projectors to photolithography. Most approaches for eliminating
speckle involve time-averaging independent speckle patterns, which limits the
imaging speed. We have taken a different approach-instead of averaging out the
speckle that is already present, we prevent speckle formation by using an
unconventional random laser.
© 2012 Optical Society of America
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