Optical and scintillation properties of Nd differently doped YLiF4 from VUV to NIR wavelengths

被引：28

作者：

Yanagida, Takayuki ^{[1
]}

Fujimoto, Yutaka ^{[1
]}

Ishizu, Sumito ^{[2
]}

Fukuda, Kentaro ^{[2
]}

机构：

[1] Kyushu Inst Technol, Wakamatsu Ku, Kitakyushu, Fukuoka 8080196, Japan

[2] Tokuyama Corp, Yamaguchi 7458648, Japan

来源：

OPTICAL MATERIALS | 2015年 / 41卷

关键词：

Crystal; Scintillation detector; Nd3+; Scintillator; CRYSTAL-GROWTH; CHAMBER;

D O I：

10.1016/j.optmat.2014.10.043

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Nd 0.1, 0.5, 1, and 3 mol% doped YLiF4 crystalline scintillators were prepared by Tokuyama Corp. and their optical and scintillation properties from vacuum ultraviolet (VUV) to near infrared (NIR) wavelengths were investigated. 4f-5d absorption bands appeared in VUV and several absorption bands due to 4f-4f transition were observed in visible-NIR wavelengths. Nd3+ 5d-4f emission was observed around 180 nm under 160 nm excitation and intense line due to F-4(3/2) -> I-4(11/2) at 1064 nm appeared under 500 nm excitation. In X-ray induced radioluminescence, both VUV and NIR emissions were observed. Scintillation decay times of VUV emission was 40-80 ns while that of 4f-4f ones at visible wavelength were around 12-15 mu s. When Cf-252 neutron was irradiated, VUV scintillation light yield resulted around 90 ph/n. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：36 / 40

页数：5

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