Author:
Moeller Stefan,Brown Garth,Dakovski Georgi,Hill Bruce,Holmes Michael,Loos Jennifer,Maida Ricardo,Paiser Ernesto,Schlotter William,Turner Joshua J.,Wallace Alex,Jastrow Ulf,Kreis Svea,Sorokin Andrey A.,Tiedtke Kai
Abstract
A gas monitor detector was implemented and characterized at the Soft X-ray Research (SXR) instrument to measure the average, absolute and pulse-resolved photon flux of the LCLS beam in the energy range between 280 and 2000 eV. The detector is placed after the monochromator and addresses the need to provide reliable absolute pulse energy as well as pulse-resolved measurements for the various experiments at this instrument. This detector provides a reliable non-invasive measurement for determining flux levels on the samples in the downstream experimental chamber and for optimizing signal levels of secondary detectors and for the essential need of data normalization. The design, integration into the instrument and operation are described, and examples of its performance are given.
Publisher
International Union of Crystallography (IUCr)
Subject
Instrumentation,Nuclear and High Energy Physics,Radiation
Cited by
22 articles.
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