Abstract

A new analytical model, derived rigorously from scalar diffraction theory, accurately fits soft-x-ray measurements of symmetrical profile gold transmission gratings in all diffracted orders. The calibration system selects numerous photon energies by use of a high-resolution grazing-incidence monochromator and a dc e-beam source. Fine-period free-standing gratings exhibit limited performance and require such testing to determine parameters of and select acceptable gratings for use in time-resolved (0.25 ns) spectrographs of known radiometric response. Unfolded spectra yield a Z-pinch plasma peak kT ∼250 eV, total radiated energy ∼900 kJ, and a pinch-driven gold-wall hohlraum Planckian kT ∼86 eV.

© 2004 Optical Society of America

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Corrections

Michael C. Hettrick, Michael E. Cuneo, John L. Porter, Larry E. Ruggles, Walter W. Simpson, Mark F. Vargas, and David F. Wenger, "Profiled bar transmission gratings: soft-x-ray calibration of new Kirchoff solutions—erratum," Appl. Opt. 43, 4785-4785 (2004)
https://www.osapublishing.org/ao/abstract.cfm?uri=ao-43-25-4785

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