Development of modulating permanent magnet sextupole lens for focusing of pulsed cold neutrons

Masako Yamada; Yoshihisa Iwashita; Masahiro Ichikawa; Takanori Sugimoto; Hiromu Tongu; Hiroshi Fujisawa; Hirohiko M. Shimizu; Takashi Ino; Kenji Mishima; Kaoru Taketani; Tamaki Yoshioka; Suguru Muto; Takahiro Morishima; Takayuki Oku; Jun ichi Suzuki; Takenao Shinohara; Kenji Sakai; Hiromi Sato; Katsuya Hirota; Yoshie Otake; Yoshichika Seki; Shinsuke Kawasaki; Sachio Komamiya; Yoshio Kamiya; Hidetoshi Otono; Satoru Yamashita; Peter Geltenbort

doi:10.1016/j.physb.2009.06.132

Development of modulating permanent magnet sextupole lens for focusing of pulsed cold neutrons

Masako Yamada, Yoshihisa Iwashita, Masahiro Ichikawa, Takanori Sugimoto, Hiromu Tongu, Hiroshi Fujisawa, Hirohiko M. Shimizu, Takashi Ino, Kenji Mishima, Kaoru Taketani, Tamaki Yoshioka, Suguru Muto, Takahiro Morishima, Takayuki Oku, Jun ichi Suzuki, Takenao Shinohara, Kenji Sakai, Hiromi Sato, Katsuya Hirota, Yoshie OtakeYoshichika Seki, Shinsuke Kawasaki, Sachio Komamiya, Yoshio Kamiya, Hidetoshi Otono, Satoru Yamashita, Peter Geltenbort

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

12 Citations (Scopus)

Abstract

Modulating permanent magnet sextupole lens (PMSx) for focusing pulsed cold neutrons is under development. The synchronized modulation of its field gradient suppresses the chromatic aberration which arises from the Time Of Flight method. The strength of the magnetic field, the torque, and the rise of temperature during its operation are studied on a fabricated prototype. Experiments on focusing pulsed very cold neutrons (VCN) at ILL (Institute of Laue Langevin, France) were carried out and VCN with around λ=40 Å were focused by the PMSx at a focal length of about 0.5 m. The experimental results are presented in conjunction with the principle of the neutron focusing and the modulating method of the focal strength of permanent magnet lens with the double ring structure.

Original language	English
Pages (from-to)	2646-2651
Number of pages	6
Journal	Physica B: Condensed Matter
Volume	404
Issue number	17
DOIs	https://doi.org/10.1016/j.physb.2009.06.132
Publication status	Published - 2009 Sep 1
Externally published	Yes

Keywords

Focusing
Permanent magnet sextupole lens
Pulse
SANS
Very cold neutrons

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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Yamada, M., Iwashita, Y., Ichikawa, M., Sugimoto, T., Tongu, H., Fujisawa, H., Shimizu, H. M., Ino, T., Mishima, K., Taketani, K., Yoshioka, T., Muto, S., Morishima, T., Oku, T., Suzuki, J. I., Shinohara, T., Sakai, K., Sato, H., Hirota, K., ... Geltenbort, P. (2009). Development of modulating permanent magnet sextupole lens for focusing of pulsed cold neutrons. Physica B: Condensed Matter, 404(17), 2646-2651. https://doi.org/10.1016/j.physb.2009.06.132

Development of modulating permanent magnet sextupole lens for focusing of pulsed cold neutrons. / Yamada, Masako; Iwashita, Yoshihisa; Ichikawa, Masahiro; Sugimoto, Takanori; Tongu, Hiromu; Fujisawa, Hiroshi; Shimizu, Hirohiko M.; Ino, Takashi; Mishima, Kenji; Taketani, Kaoru; Yoshioka, Tamaki; Muto, Suguru; Morishima, Takahiro; Oku, Takayuki; Suzuki, Jun ichi; Shinohara, Takenao; Sakai, Kenji; Sato, Hiromi; Hirota, Katsuya; Otake, Yoshie; Seki, Yoshichika; Kawasaki, Shinsuke; Komamiya, Sachio; Kamiya, Yoshio; Otono, Hidetoshi; Yamashita, Satoru; Geltenbort, Peter.

In: Physica B: Condensed Matter, Vol. 404, No. 17, 01.09.2009, p. 2646-2651.

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

Yamada, M, Iwashita, Y, Ichikawa, M, Sugimoto, T, Tongu, H, Fujisawa, H, Shimizu, HM, Ino, T, Mishima, K, Taketani, K, Yoshioka, T, Muto, S, Morishima, T, Oku, T, Suzuki, JI, Shinohara, T, Sakai, K, Sato, H, Hirota, K, Otake, Y, Seki, Y, Kawasaki, S, Komamiya, S, Kamiya, Y, Otono, H, Yamashita, S & Geltenbort, P 2009, 'Development of modulating permanent magnet sextupole lens for focusing of pulsed cold neutrons', Physica B: Condensed Matter, vol. 404, no. 17, pp. 2646-2651. https://doi.org/10.1016/j.physb.2009.06.132

Yamada, Masako ; Iwashita, Yoshihisa ; Ichikawa, Masahiro ; Sugimoto, Takanori ; Tongu, Hiromu ; Fujisawa, Hiroshi ; Shimizu, Hirohiko M. ; Ino, Takashi ; Mishima, Kenji ; Taketani, Kaoru ; Yoshioka, Tamaki ; Muto, Suguru ; Morishima, Takahiro ; Oku, Takayuki ; Suzuki, Jun ichi ; Shinohara, Takenao ; Sakai, Kenji ; Sato, Hiromi ; Hirota, Katsuya ; Otake, Yoshie ; Seki, Yoshichika ; Kawasaki, Shinsuke ; Komamiya, Sachio ; Kamiya, Yoshio ; Otono, Hidetoshi ; Yamashita, Satoru ; Geltenbort, Peter. / Development of modulating permanent magnet sextupole lens for focusing of pulsed cold neutrons. In: Physica B: Condensed Matter. 2009 ; Vol. 404, No. 17. pp. 2646-2651.

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title = "Development of modulating permanent magnet sextupole lens for focusing of pulsed cold neutrons",

abstract = "Modulating permanent magnet sextupole lens (PMSx) for focusing pulsed cold neutrons is under development. The synchronized modulation of its field gradient suppresses the chromatic aberration which arises from the Time Of Flight method. The strength of the magnetic field, the torque, and the rise of temperature during its operation are studied on a fabricated prototype. Experiments on focusing pulsed very cold neutrons (VCN) at ILL (Institute of Laue Langevin, France) were carried out and VCN with around λ=40 {\AA} were focused by the PMSx at a focal length of about 0.5 m. The experimental results are presented in conjunction with the principle of the neutron focusing and the modulating method of the focal strength of permanent magnet lens with the double ring structure.",

keywords = "Focusing, Permanent magnet sextupole lens, Pulse, SANS, Very cold neutrons",

author = "Masako Yamada and Yoshihisa Iwashita and Masahiro Ichikawa and Takanori Sugimoto and Hiromu Tongu and Hiroshi Fujisawa and Shimizu, {Hirohiko M.} and Takashi Ino and Kenji Mishima and Kaoru Taketani and Tamaki Yoshioka and Suguru Muto and Takahiro Morishima and Takayuki Oku and Suzuki, {Jun ichi} and Takenao Shinohara and Kenji Sakai and Hiromi Sato and Katsuya Hirota and Yoshie Otake and Yoshichika Seki and Shinsuke Kawasaki and Sachio Komamiya and Yoshio Kamiya and Hidetoshi Otono and Satoru Yamashita and Peter Geltenbort",

note = "Funding Information: We are grateful to T. Brenner and S. Klimko for the intensive and very helpful assistance during the experiment at ILL. This work is partially supported by the Ministry of Education, Science, Sports and Culture, Grant-in-Aid for Scientific Research (A), 18204023(2006) and 19GS0210.",

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doi = "10.1016/j.physb.2009.06.132",

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AU - Yamada, Masako

AU - Iwashita, Yoshihisa

AU - Ichikawa, Masahiro

AU - Sugimoto, Takanori

AU - Tongu, Hiromu

AU - Fujisawa, Hiroshi

AU - Shimizu, Hirohiko M.

AU - Ino, Takashi

AU - Mishima, Kenji

AU - Taketani, Kaoru

AU - Yoshioka, Tamaki

AU - Muto, Suguru

AU - Morishima, Takahiro

AU - Oku, Takayuki

AU - Suzuki, Jun ichi

AU - Shinohara, Takenao

AU - Sakai, Kenji

AU - Sato, Hiromi

AU - Hirota, Katsuya

AU - Otake, Yoshie

AU - Seki, Yoshichika

AU - Kawasaki, Shinsuke

AU - Komamiya, Sachio

AU - Kamiya, Yoshio

AU - Otono, Hidetoshi

AU - Yamashita, Satoru

AU - Geltenbort, Peter

N1 - Funding Information: We are grateful to T. Brenner and S. Klimko for the intensive and very helpful assistance during the experiment at ILL. This work is partially supported by the Ministry of Education, Science, Sports and Culture, Grant-in-Aid for Scientific Research (A), 18204023(2006) and 19GS0210.

PY - 2009/9/1

Y1 - 2009/9/1

N2 - Modulating permanent magnet sextupole lens (PMSx) for focusing pulsed cold neutrons is under development. The synchronized modulation of its field gradient suppresses the chromatic aberration which arises from the Time Of Flight method. The strength of the magnetic field, the torque, and the rise of temperature during its operation are studied on a fabricated prototype. Experiments on focusing pulsed very cold neutrons (VCN) at ILL (Institute of Laue Langevin, France) were carried out and VCN with around λ=40 Å were focused by the PMSx at a focal length of about 0.5 m. The experimental results are presented in conjunction with the principle of the neutron focusing and the modulating method of the focal strength of permanent magnet lens with the double ring structure.

AB - Modulating permanent magnet sextupole lens (PMSx) for focusing pulsed cold neutrons is under development. The synchronized modulation of its field gradient suppresses the chromatic aberration which arises from the Time Of Flight method. The strength of the magnetic field, the torque, and the rise of temperature during its operation are studied on a fabricated prototype. Experiments on focusing pulsed very cold neutrons (VCN) at ILL (Institute of Laue Langevin, France) were carried out and VCN with around λ=40 Å were focused by the PMSx at a focal length of about 0.5 m. The experimental results are presented in conjunction with the principle of the neutron focusing and the modulating method of the focal strength of permanent magnet lens with the double ring structure.

KW - Focusing

KW - Permanent magnet sextupole lens

KW - Pulse

KW - SANS

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Development of modulating permanent magnet sextupole lens for focusing of pulsed cold neutrons

Abstract

Keywords

ASJC Scopus subject areas

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