Consequences of the Kramers-Kronig relations for light diffraction on thick gratings

Optics Letters
Michael HäckelHans-Werner Schmidt

Abstract

Diffraction of monochromatic light on a grating leads to the attenuation of the transmitted beam of diffraction order zero. In the case of a thick grating the diffraction efficiency, and hence the effective attenuation coefficient, is a fast-varying function of the Bragg mismatch angle. According to Kramers-Kronig theory, the transmitted beam encounters a phase shift that also depends on the mismatch angle. This phase shift is measured for holographic gratings in a photoaddressable block copolymer and compared with analytical calculations.

References

Jan 1, 1992·Optics Letters·R DesalvoH Vanherzeele

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Citations

Jul 3, 2007·Optics Letters·Raymond StockermansPaul Rochon

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