Abstract
A description is given of the properties of plane diffraction gratings used in conical diffraction. Formulas are given for computing the direction of the diffracted orders. Experiments were performed to investigate the behavior of gratings used on conical diffraction mountings. Comparisons made with classical diffraction mountings show a significant increase in the efficiency of the −1 order. An empirical formula to predict the efficiencies of gratings used in conical diffraction mountings has been verified by the measurements.
© 1978 Optical Society of America
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