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(a) Soft-x-ray transmission spectra of water at the O K-edge as well as in the spectral region of the N K-edge, suggesting a jet thickness of 1.2–1.4 μm. (b) Subsequent scans of transmission spectra of water in the N K-edge spectral region. Note the different y-axis scaling in panels (a) and (b). The O K-edge spectrum was recorded on a 15 min time scale. The N K-edge spectra were each recorded on a 10 min time scale.
