A Soft X-ray Spectrometer using a Highly Dispersive Multilayer Grating

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There is a need for higher resolution spectrometers as a tool for inelastic x-ray scattering. Currently, resolving power around R = 10,000 is advertised. Measured RIXS spectra are often limited by this instrumental resolution and higher resolution spectrometers using conventional gratings would be prohibitively large. We are engaged in a development program to build blazed multilayer grating structures for diffracting soft x-rays in high order. This leads to spectrometers with dispersion much higher than is possible using metal coated-gratings. The higher dispersion then provides higher resolution and the multilayer gratings are capable of operating away from grazing incidence as required. ... continued below

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Warwick, Tony; Padmore, Howard; Voronov, Dmitriy & Yashchuk, Valeriy January 31, 2010.

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There is a need for higher resolution spectrometers as a tool for inelastic x-ray scattering. Currently, resolving power around R = 10,000 is advertised. Measured RIXS spectra are often limited by this instrumental resolution and higher resolution spectrometers using conventional gratings would be prohibitively large. We are engaged in a development program to build blazed multilayer grating structures for diffracting soft x-rays in high order. This leads to spectrometers with dispersion much higher than is possible using metal coated-gratings. The higher dispersion then provides higher resolution and the multilayer gratings are capable of operating away from grazing incidence as required. A spectrometer design is presented with a total length 3.8m and capable of 10{sup 5} resolving power.

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  • Tenth International Conference on Synchrotron Radiation Instrumentation, Melbourne, Victoria, Australia, September 27 - October 2, 2009

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  • Report No.: LBNL-3609E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 984954
  • Archival Resource Key: ark:/67531/metadc1014031

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  • January 31, 2010

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  • Oct. 14, 2017, 8:36 a.m.

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  • Oct. 18, 2017, 10:12 a.m.

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Warwick, Tony; Padmore, Howard; Voronov, Dmitriy & Yashchuk, Valeriy. A Soft X-ray Spectrometer using a Highly Dispersive Multilayer Grating, article, January 31, 2010; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc1014031/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.