Micro-Radiographs Stored in Lithium Fluoride Films Observed by Scanning Near-Field Optical Microscopy

概要

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A new simple method to get soft X-ray micro-radiographs of biological material with a spatial resolution reaching 50 nm is described. A thin film of lithium fluoride (LiF) works as image detector, storing the micro-radiograph obtained exposing biological material to Extreme Ultra-Violet and soft X-ray radiations. Scanning near-field optical microscope (SNOM) is used to read the micro-radiograph at nanometric resolution up to $ \lambda/12$, collecting the fluorescence ($ \lambda=650$ nm) excited by an Ar+ laser light ($ \lambda=458$ nm).
2006-03-30