Abstract
A high resolution grating spectrometer (HRGS) with 2400 line/mm variable line spacing grating for the 10 – 50 Å wavelength range has been designed for laser—produced plasma experiments at the Lawrence Livermore National Laboratory (LLNL). The spectrometer has a large radius of curvature, R=44.3 m, is operated at a 2° grazing angle and can record high signal-to-noise spectra when used with a low-noise, cooled, charge-coupled device detector. The instrument can be operated with a 10 – 25 μm wide slit to achieve the best spectral resolving power on laser plasma sources, approaching 2000, or in slitless mode with a small symmetrical emission source. Results will be presented for the spectral response of the spectrometer cross-calibrated at the LLNL Electron Beam Ion Trap facility using the broadband x-ray energy EBIT Calorimeter Spectrometer (ECS).
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References
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Theoretical filter transmission obtained from the Lawrence Berkeley National Laboratory website at http://www-cxro.lbl.gov/
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Dunn, J., Beiersdorfer, P., Brown, G.V., Magee, E.W. (2009). Calibration of a High Resolution Soft X-Ray Spectrometer. In: Lewis, C.L.S., Riley, D. (eds) X-Ray Lasers 2008. Springer Proceedings in Physics, vol 130. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-9924-3_54
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DOI: https://doi.org/10.1007/978-1-4020-9924-3_54
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