Radiation Hardness of Nd:GdVO4 Laser Crystal under γ-Ray Irradiation

被引：0
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作者：
M. Kh. Ashurov
Yu. D. Zavartsev
A. I. Zagumennyi
Sh. Kh. Ismoilov
Yu. L. Kalachev
S. A. Kutovoi
V. A. Mikhailov
I. Nuritdinov
I. A. Shcherbakov
机构：
[1] Institute of Nuclear Physics of the Academy of Sciences of Uzbekistan,
[2] Prokhorov General Physics Institute of the Russian Academy of Sciences,undefined
来源：
Physics of Wave Phenomena | 2019年 / 27卷
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摘要：
The radiation hardness of neodymium-doped gadolinium vanadate crystal (Nd:GdVO4) has been investigated. Crystal with sizes of 4×4×8 mm doped to a level of 0.5% Nd3+ and (for comparison) undoped GdVO4 crystal were γ-irradiated by a 60Co source to an absorbed dose of about 106 to 107 rad. The photoinduced absorption spectra of the crystals have been studied. Intense lasing with a differential efficiency up to about 25% was obtained in an irradiated Nd:GdVO4 crystal. It is shown that irradiation of a crystal up to a dose of 107 rad does not reduce significantly its laser efficiency.
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页码：271 / 274
页数：3
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