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Narrowband and tunable anomalous transmission filters for spectral monitoring in the extreme ultraviolet wavelength region
2017
Optics Express
We present the first experimental demonstration of a novel type of narrowband and wavelength-tunable multilayer transmission filter for the extreme ultraviolet (EUV) region. The operating principle of the filter is based on spatially overlapping the nodes of a standing wave field with the absorbing layers within the multilayer structure. For a wavelength with a matching node pattern, this increases the transmission as compared to neighboring wavelengths where anti-nodes overlap with the
doi:10.1364/oe.25.001993
pmid:29519048
fatcat:6id33h5vzzf2bbubaj7tesi3ty