12 February 2001 Anamorphic magnification using a chirped grating in grazing incidence mode
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Abstract
We demonstrate that a grazing incidence configuration can be used with a surface relief diffraction grating having a shallow frequency chirp in one dimension and straight rules in the other to produce a long stand-off profilometer with significant anamorphic magnification.
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Thomas Ditto, Thomas Ditto, Douglas A. Lyon, Douglas A. Lyon, "Anamorphic magnification using a chirped grating in grazing incidence mode", Proc. SPIE 4189, Machine Vision and Three-Dimensional Imaging Systems for Inspection and Metrology, (12 February 2001); doi: 10.1117/12.417189; https://doi.org/10.1117/12.417189
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