Comparison of holographic recording options for reflection-format and transmission-format coupler-type diffractive optical elements: theoretical exploration and experimental validation
Dipanjan Chakraborty,
Rosen Georgiev,
Vincent Toal
et al.
Abstract:The holographic recording of gratings that have very large diffraction angles and/or slants is challenging because recording requires beam angles that are not possible without the use of prisms. However, by using a recording wavelength that is different from (usually shorter than) the intended operating wavelength, it is possible to record with less challenging beam angles. In this paper, a recently developed model that allows systematic investigation of the potential and limits of this wavelength-shift record… Show more
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