Development of large size crystal growth technology of oxide eutectic scintillator and a proto-type Talbot-Lau imaging system

Kei Kamada; Hiroaki Yamaguchi; Nobuhiro Yasui; Ryota Ohashi; Toru Den; Kyoung Jin Kim; Masao Yoshino; Akihiro Yamaji; Shunsuke Kurosawa; Yasuhiro Shoji; Yuui Yokota; Vladimir V. Kochurikhin; Akira Yoshikawa

doi:10.35848/1347-4065/abd708

Development of large size crystal growth technology of oxide eutectic scintillator and a proto-type Talbot-Lau imaging system

Kei Kamada, Hiroaki Yamaguchi, Nobuhiro Yasui, Ryota Ohashi, Toru Den, Kyoung Jin Kim, Masao Yoshino, Akihiro Yamaji, Shunsuke Kurosawa, Yasuhiro Shoji, Yuui Yokota, Vladimir V. Kochurikhin, Akira Yoshikawa

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11 Citations (Scopus)

Abstract

Wafers of Tb-doped GdAlO₃/α-Al₂O₃ eutectic were fabricated by the micro-pulling-down method using an Ir crucible with a 25 × 25 mm² die. A prototype X-ray phase imaging detector was developed using a CMOS sensor with a fiber optic plate and the eutectic wafer. X-ray spots with an 8.24 μm period were observed using the detector. X-ray phase imaging of a nylon ball with a diameter of 4 mm was also carried out. It was observed that a phase change of approximately 2 μm occurs at the air-nylon interface. This technique of X-ray phase imaging can be realized in the absence of an absorption grating.

Original language	English
Article number	SBBK04
Journal	Japanese Journal of Applied Physics
Volume	60
Issue number	SB
DOIs	https://doi.org/10.35848/1347-4065/abd708
Publication status	Published - 2021 May

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Kamada, K., Yamaguchi, H., Yasui, N., Ohashi, R., Den, T., Kim, K. J., Yoshino, M., Yamaji, A., Kurosawa, S., Shoji, Y., Yokota, Y., Kochurikhin, V. V., & Yoshikawa, A. (2021). Development of large size crystal growth technology of oxide eutectic scintillator and a proto-type Talbot-Lau imaging system. Japanese Journal of Applied Physics, 60(SB), Article SBBK04. https://doi.org/10.35848/1347-4065/abd708

@article{01a1e05454ac430b96e6492c588fd7cd,

title = "Development of large size crystal growth technology of oxide eutectic scintillator and a proto-type Talbot-Lau imaging system",

abstract = "Wafers of Tb-doped GdAlO3/α-Al2O3 eutectic were fabricated by the micro-pulling-down method using an Ir crucible with a 25 × 25 mm2 die. A prototype X-ray phase imaging detector was developed using a CMOS sensor with a fiber optic plate and the eutectic wafer. X-ray spots with an 8.24 μm period were observed using the detector. X-ray phase imaging of a nylon ball with a diameter of 4 mm was also carried out. It was observed that a phase change of approximately 2 μm occurs at the air-nylon interface. This technique of X-ray phase imaging can be realized in the absence of an absorption grating.",

author = "Kei Kamada and Hiroaki Yamaguchi and Nobuhiro Yasui and Ryota Ohashi and Toru Den and Kim, {Kyoung Jin} and Masao Yoshino and Akihiro Yamaji and Shunsuke Kurosawa and Yasuhiro Shoji and Yuui Yokota and Kochurikhin, {Vladimir V.} and Akira Yoshikawa",

note = "Funding Information: This work was partially supported by JSPS KAKENHI, grant numbers 19H00672, 17H06159, 18H01222, 19H00881, 19K12626, 19K12626, and 20K20488. Publisher Copyright: {\textcopyright} 2021 The Japan Society of Applied Physics",

year = "2021",

month = may,

doi = "10.35848/1347-4065/abd708",

language = "English",

volume = "60",

journal = "Japanese Journal of Applied Physics",

issn = "0021-4922",

publisher = "Japan Society of Applied Physics",

number = "SB",

}

Kamada, K, Yamaguchi, H, Yasui, N, Ohashi, R, Den, T, Kim, KJ, Yoshino, M , Yamaji, A , Kurosawa, S, Shoji, Y, Yokota, Y, Kochurikhin, VV & Yoshikawa, A 2021, 'Development of large size crystal growth technology of oxide eutectic scintillator and a proto-type Talbot-Lau imaging system', Japanese Journal of Applied Physics, vol. 60, no. SB, SBBK04. https://doi.org/10.35848/1347-4065/abd708

TY - JOUR

T1 - Development of large size crystal growth technology of oxide eutectic scintillator and a proto-type Talbot-Lau imaging system

AU - Kamada, Kei

AU - Yamaguchi, Hiroaki

AU - Yasui, Nobuhiro

AU - Ohashi, Ryota

AU - Den, Toru

AU - Kim, Kyoung Jin

AU - Yoshino, Masao

AU - Yamaji, Akihiro

AU - Kurosawa, Shunsuke

AU - Shoji, Yasuhiro

AU - Yokota, Yuui

AU - Kochurikhin, Vladimir V.

AU - Yoshikawa, Akira

N1 - Funding Information: This work was partially supported by JSPS KAKENHI, grant numbers 19H00672, 17H06159, 18H01222, 19H00881, 19K12626, 19K12626, and 20K20488. Publisher Copyright: © 2021 The Japan Society of Applied Physics

PY - 2021/5

Y1 - 2021/5

N2 - Wafers of Tb-doped GdAlO3/α-Al2O3 eutectic were fabricated by the micro-pulling-down method using an Ir crucible with a 25 × 25 mm2 die. A prototype X-ray phase imaging detector was developed using a CMOS sensor with a fiber optic plate and the eutectic wafer. X-ray spots with an 8.24 μm period were observed using the detector. X-ray phase imaging of a nylon ball with a diameter of 4 mm was also carried out. It was observed that a phase change of approximately 2 μm occurs at the air-nylon interface. This technique of X-ray phase imaging can be realized in the absence of an absorption grating.

AB - Wafers of Tb-doped GdAlO3/α-Al2O3 eutectic were fabricated by the micro-pulling-down method using an Ir crucible with a 25 × 25 mm2 die. A prototype X-ray phase imaging detector was developed using a CMOS sensor with a fiber optic plate and the eutectic wafer. X-ray spots with an 8.24 μm period were observed using the detector. X-ray phase imaging of a nylon ball with a diameter of 4 mm was also carried out. It was observed that a phase change of approximately 2 μm occurs at the air-nylon interface. This technique of X-ray phase imaging can be realized in the absence of an absorption grating.

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SN - 0021-4922

VL - 60

JO - Japanese Journal of Applied Physics

JF - Japanese Journal of Applied Physics

IS - SB

M1 - SBBK04

ER -

Development of large size crystal growth technology of oxide eutectic scintillator and a proto-type Talbot-Lau imaging system

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