Abstract

A gold transmission grating has been coupled to a high-resolution Wolter-design grazing-incidence reflection x-ray microscope to produce an imaging x-ray spectrometer of unprecedented spatial resolution, spectral range, and collection solid angle. In a series of test experiments conducted at 1.75–2 keV, the instrument demonstrated a spectral resolving power, λ/Δλ, of 200 and a 1-D spatial resolution of 1 μm. The spectrometer’s large collection solid angle, ~2 × 10⁻⁵ sr, and broad spectral range, from the near UV to 3.2 keV, make it a very versatile instrument for laser-fusion applications.

© 1982 Optical Society of America

Time-resolved x-ray transmission grating spectrometer for studying laser-produced plasmas

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