Phase gratings with tunable diffraction efficiency
Diffraction efficiency
Ptychography
DOI:
10.1364/oe.24.023765
Publication Date:
2016-10-03T18:32:21Z
AUTHORS (5)
ABSTRACT
We present a new principle for tuning the diffraction efficiency of an optical grating and its implementation in micro-optical device. The overlap two phase gratings is used to vary effective shift hence efficiency. study working using Fourier Optics simulate pattern far field design realize device based on integrated piezo actuation. find good agreement between simulation experiment observe suppression first order intensity by more than 97% response times less 3 ms.
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