SAMRAI: A novel variably polarized angle-resolved photoemission beamline in the VUV region at UVSOR-II

Shin Ichi Kimura; Takahiro Ito; Masahiro Sakai; Eiken Nakamura; Naonori Kondo; Toshio Horigome; Kenji Hayashi; Masahito Hosaka; Masahiro Katoh; Tomohiro Goto; Takeo Ejima; Kazuo Soda

doi:10.1063/1.3425778

SAMRAI: A novel variably polarized angle-resolved photoemission beamline in the VUV region at UVSOR-II

Shin Ichi Kimura, Takahiro Ito, Masahiro Sakai, Eiken Nakamura, Naonori Kondo, Toshio Horigome, Kenji Hayashi, Masahito Hosaka, Masahiro Katoh, Tomohiro Goto, Takeo Ejima, Kazuo Soda

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

Abstract

A novel variably polarized angle-resolved photoemission spectroscopy beamline in the vacuum-ultraviolet (VUV) region has been installed at the UVSOR-II 750 MeV synchrotron light source. The beamline is equipped with a 3 m long APPLE-II type undulator with horizontally/vertically linear and right/left circular polarizations, a 10 m Wadsworth type monochromator covering a photon energy range of 6-43 eV, and a 200 mm radius hemispherical photoelectron analyzer with an electron lens of a ±18° acceptance angle. Due to the low emittance of the UVSOR-II storage ring, the light source is regarded as an entrance slit, and the undulator light is directly led to a grating by two plane mirrors in the monochromator while maintaining a balance between high-energy resolution and high photon flux. The energy resolving power (hv/Δh) and photon flux of the monochromator are typically 1× 10⁴ and 10¹² photons/s, respectively, with a 100 μm exit slit. The beamline is used for angle-resolved photoemission spectroscopy with an energy resolution of a few meV covering the UV-to-VUV energy range.

Original language	English
Article number	053104
Journal	Review of Scientific Instruments
Volume	81
Issue number	5
DOIs	https://doi.org/10.1063/1.3425778
Publication status	Published - 2010 May

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Instrumentation

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SAMRAI : A novel variably polarized angle-resolved photoemission beamline in the VUV region at UVSOR-II. / Kimura, Shin Ichi; Ito, Takahiro; Sakai, Masahiro; Nakamura, Eiken; Kondo, Naonori; Horigome, Toshio; Hayashi, Kenji; Hosaka, Masahito; Katoh, Masahiro; Goto, Tomohiro; Ejima, Takeo; Soda, Kazuo.

In: Review of Scientific Instruments, Vol. 81, No. 5, 053104, 05.2010.

Research output: Contribution to journal › Article › peer-review

Kimura, Shin Ichi ; Ito, Takahiro ; Sakai, Masahiro ; Nakamura, Eiken ; Kondo, Naonori ; Horigome, Toshio ; Hayashi, Kenji ; Hosaka, Masahito ; Katoh, Masahiro ; Goto, Tomohiro ; Ejima, Takeo ; Soda, Kazuo. / SAMRAI : A novel variably polarized angle-resolved photoemission beamline in the VUV region at UVSOR-II. In: Review of Scientific Instruments. 2010 ; Vol. 81, No. 5.

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title = "SAMRAI: A novel variably polarized angle-resolved photoemission beamline in the VUV region at UVSOR-II",

abstract = "A novel variably polarized angle-resolved photoemission spectroscopy beamline in the vacuum-ultraviolet (VUV) region has been installed at the UVSOR-II 750 MeV synchrotron light source. The beamline is equipped with a 3 m long APPLE-II type undulator with horizontally/vertically linear and right/left circular polarizations, a 10 m Wadsworth type monochromator covering a photon energy range of 6-43 eV, and a 200 mm radius hemispherical photoelectron analyzer with an electron lens of a ±18° acceptance angle. Due to the low emittance of the UVSOR-II storage ring, the light source is regarded as an entrance slit, and the undulator light is directly led to a grating by two plane mirrors in the monochromator while maintaining a balance between high-energy resolution and high photon flux. The energy resolving power (hv/Δh) and photon flux of the monochromator are typically 1× 104 and 1012 photons/s, respectively, with a 100 μm exit slit. The beamline is used for angle-resolved photoemission spectroscopy with an energy resolution of a few meV covering the UV-to-VUV energy range.",

author = "Kimura, {Shin Ichi} and Takahiro Ito and Masahiro Sakai and Eiken Nakamura and Naonori Kondo and Toshio Horigome and Kenji Hayashi and Masahito Hosaka and Masahiro Katoh and Tomohiro Goto and Takeo Ejima and Kazuo Soda",

note = "Funding Information: We would like to thank UVSOR staff members, especially Professor N. Kosugi and Professor E. Shigemasa, for their support and assistance. We also thank Dr. P. Baltzer and Ms. M. Matsuki-Baltzer for providing the transmission grating for the angular-distribution test device and their fruitful suggestions and Dr. Miyazaki, Mr. Hajiri, and Mr. Mitani for taking data in Figs. . This work was supported by a joint studies program of the Institute for Molecular Science (2006–2009).",

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AU - Nakamura, Eiken

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AU - Horigome, Toshio

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AU - Hosaka, Masahito

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AU - Goto, Tomohiro

AU - Ejima, Takeo

AU - Soda, Kazuo

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N2 - A novel variably polarized angle-resolved photoemission spectroscopy beamline in the vacuum-ultraviolet (VUV) region has been installed at the UVSOR-II 750 MeV synchrotron light source. The beamline is equipped with a 3 m long APPLE-II type undulator with horizontally/vertically linear and right/left circular polarizations, a 10 m Wadsworth type monochromator covering a photon energy range of 6-43 eV, and a 200 mm radius hemispherical photoelectron analyzer with an electron lens of a ±18° acceptance angle. Due to the low emittance of the UVSOR-II storage ring, the light source is regarded as an entrance slit, and the undulator light is directly led to a grating by two plane mirrors in the monochromator while maintaining a balance between high-energy resolution and high photon flux. The energy resolving power (hv/Δh) and photon flux of the monochromator are typically 1× 104 and 1012 photons/s, respectively, with a 100 μm exit slit. The beamline is used for angle-resolved photoemission spectroscopy with an energy resolution of a few meV covering the UV-to-VUV energy range.

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SAMRAI: A novel variably polarized angle-resolved photoemission beamline in the VUV region at UVSOR-II

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