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

被引：0
|
作者：
Ashurov, M. Kh. [1 ]
Zavartsev, Yu. D. [2 ]
Zagumennyi, A. I. [1 ]
Ismoilov, Sh. Kh. [1 ]
Kalachev, Yu. L. [2 ]
Kutovoi, S. A. [2 ]
Mikhailov, V. A. [2 ]
Nuritdinov, I. [1 ]
Shcherbakov, I. A. [2 ]
机构：
[1] Acad Sci Uzbek, Inst Nucl Phys, Tashkent 100214, Uzbekistan
[2] Russian Acad Sci, Prokhorov Gen Phys Inst, Ul Vavilova 38, Moscow 119991, Russia
来源：
PHYSICS OF WAVE PHENOMENA | 2019年 / 27卷 / 04期
关键词：
D O I：
10.3103/S1541308X19040058
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The radiation hardness of neodymium-doped gadolinium vanadate crystal (Nd:GdVO4) has been investigated. Crystal with sizes of 4x4x8 mm doped to a level of 0.5% Nd3+ and (for comparison) undoped GdVO4 crystal were gamma-irradiated by a Co-60 source to an absorbed dose of about 10(6) to 10(7) 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 10(7) rad does not reduce significantly its laser efficiency.
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收藏
页码：271 / 274
页数：4
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