The designed pattern and the measured microstructure by a microscope with a magnification factor of 1000 of the phase-type QDADG.
Experimental setup for the characterization of the phase-type QDADG.
Intensity profile of the diffraction patterns at different wavelengths.
(a) Diffraction pattern recorded on the CCD and (b) the corresponding intensity profile with the 880 nm incident light.
The ratio of the intensity of the zeroth order diffraction spectrum to that of one wing of the first order vs wavelength.
Diffraction position of the phase-type QDADG vs wavelength.
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