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Main Title: Towards Poisson noise limited optical pump soft X-ray probe NEXAFS spectroscopy using a laser-produced plasma source
Author(s): Jonas, Adrian
Stiel, Holger
Glöggler, Lisa
Dahm, Diana
Dammer, Katharina
Kanngießer, Birgit
Mantouvalou, Ioanna
Type: Article
Abstract: We present a laboratory setup for near edge X-ray absorption spectroscopy (NEXAFS) in the soft X-ray regime between 284 eV to 1303 eV with a resolving power of up to 1370. Based on a laser-produced plasma source, a pair of identical reflection zone plates and an X-ray CCD camera, the setup is intended for optical pump X-ray probe NEXAFS measurements with a detectable change in absorption of the excited sample down to 10−4 and 500 ps time resolution. Because of the high stability of the source the statistical error only depends on the detector response and the number of photons detected and can reach the detector noise limit after a couple of thousands single shots. Thus, structure-function relationship investigations of bio-molecules are rendered feasible in the laboratory.
Subject(s): NEXAFS
pump probe
laser produced plasma source
Issue Date: 2019
Date Available: 10-Mar-2022
Is Part Of: 10.14279/depositonce-14776
Language Code: en
DDC Class: 530 Physik
Sponsor/Funder: DFG, 313838950, Neuartiges Laborspektrometer für Pump-Probe NEXAFS-Untersuchungen an Biomolekülen in wässriger Lösung
Journal Title: Optics Express
Publisher: Optica
Volume: 27
Issue: 25
Publisher DOI: 10.1364/OE.27.036524
Page Start: 36524
Page End: 36537
ISSN: 1094-4087
TU Affiliation(s): Fak. 2 Mathematik und Naturwissenschaften » Inst. Optik und Atomare Physik » FG Analytische Röntgenphysik
Appears in Collections:Technische Universität Berlin » Publications

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