Stable Sub-micrometre High-flux Probe for Soft X-ray ARPES Using a Monolithic Wolter Mirror

Overview

Journal J Synchrotron Radiat

Date 2020 Sep 3

PMID 32876584

Citations 2

Authors

Yasunori Senba

Hikaru Kishimoto

Yoko Takeo

Hirokatsu Yumoto

Takahisa Koyama

Hidekazu Mimura

Haruhiko Ohashi

Affiliations

Soon will be listed here.

Abstract

A focusing optics that can provide a sub-micrometre high-flux probe for soft X-ray micrometre-scale angle-resolved photoemission spectroscopy (ARPES) is proposed. A monolithic Wolter-type mirror with a large acceptance, achromatism and small comatic aberration was designed and evaluated. A focused beam size of 0.4 µm (vertical) × 4 µm (horizontal), a high throughput of 59% and a high tolerance of 1.6 mrad to the pitching error were realized at a photon energy of 1000 eV. A Wolter-type mirror can be practically employed as a stable sub-micrometre focusing mirror with high throughput in ARPES applications.

Citing Articles

Ultracompact mirror device for forming 20-nm achromatic soft-X-ray focus toward multimodal and multicolor nanoanalyses.

Shimamura T, Takeo Y, Moriya F, Kimura T, Shimura M, Senba Y Nat Commun. 2024; 15(1):665.

PMID: 38326328 PMC: 10850520. DOI: 10.1038/s41467-023-44269-w.

BL09XU: an advanced hard X-ray photoelectron spectroscopy beamline of SPring-8.

Yasui A, Takagi Y, Osaka T, Senba Y, Yamazaki H, Koyama T J Synchrotron Radiat. 2023; 30(Pt 5):1013-1022.

PMID: 37610343 PMC: 10481277. DOI: 10.1107/S160057752300629X.

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