Some consequences of using partially coherent fields in the recently proposed
method of power-extinction diffraction tomography are analyzed. It is found
that the method is very tolerant of short spectral coherence lengths. The
spectral coherence length of the field is shown to set the scale of a low-pass
filter that acts on the subject. The implications of these results for implementation
of the method are discussed.
© 2001 Optical Society of America
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