Anni Eronen

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We study the fabrication and optical properties of micropatterned luminescent optical epoxy samples. Five different photoluminescent materials were added to epoxy resin to form luminescent epoxies of different colors and micropatterned gratings were imprinted on the surface of the samples. The absorbance spectra of the unpatterned epoxy samples were(More)
We report a method for achieving advanced photon diagnostics of x-ray free-electron lasers (XFELs) under a quasi-noninvasive condition by using a beam-splitting scheme. Here, we used a transmission grating to generate multiple branches of x-ray beams. One of the two primary diffracted branches (+1st-order) is utilized for spectral measurement in a(More)
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