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Title: Normal-incidence Sb/B{sub 4}C multilayer mirrors for the 80 A < {lambda} < 120 A wavelength range

Periodic and aperiodic Sb/B4C multilayer structures have been theoretically calculated and synthesised for the first time for the application in soft X-ray optics in the 80 A < {lambda} < 120 A range. The reflection spectra of the periodic multilayer mirrors are measured using synchrotron radiation and laser plasma-generated radiation. The experimental spectra are theoretically interpreted with the inclusion of transition layers and substrate roughness. The density of antimony layers is supposedly {rho}{sub (Sb)} = 6.0 g cm{sup -3}, and the thickness of transition layers (if any) in the Sb/B4C multilayer structures does not exceed 10 A. A peak reflectivity of 19 % is attained at a wavelength of 85 A. An aperiodic mirror optimised for maximum uniform reflectivity in the 100 - 120 A range is tested employing the laser plasma radiation source. (x-ray optics)
Authors:
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Publication Date:
OSTI Identifier:
22156610
Resource Type:
Journal Article
Resource Relation:
Journal Name: Quantum Electronics (Woodbury, N.Y.); Journal Volume: 43; Journal Issue: 7; Other Information: Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ANTIMONY; BORON CARBIDES; LASER-PRODUCED PLASMA; LAYERS; MIRRORS; NUMERICAL DATA; RADIATION SOURCES; REFLECTION; REFLECTIVITY; SOFT X RADIATION; SYNCHROTRON RADIATION; WAVELENGTHS