Special pure Pr(3+) doped Ga3Ge31As18Se48 glass for active mid-IR optics

被引:8
|
作者
Shiryaev, V. S. [1 ]
Karaksina, E., V [1 ]
Kotereva, T., V [1 ]
Churbanov, M. F. [1 ]
Velmuzhov, A. P. [1 ]
Nezhdanov, A., V [2 ]
机构
[1] Russian Acad Sci, GG Devyatykh Inst Chem High Pur Subst, 49 Tropinin Str, Nizhnii Novgorod 603951, Russia
[2] NI Lobachevski Nizhny Novgorod State Univ, 23 Gagarina Ave, Nizhnii Novgorod 603950, Russia
关键词
Ga-Ge-As-Se-Pr glass; Preparation; Raman scattering spectroscopy; Properties; Mid-IR photoluminescence; emission lifetime; SB-SE GLASSES; MIDINFRARED EMISSION; PR3+; TRANSITIONS; FIBER; SPECTROSCOPY; RAMAN; DY3+; BAND;
D O I
10.1016/j.jlumin.2019.01.060
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Special pure 1300 ppmw Pr(3 + )-doped Ga3Ge31As18Se48 glass is prepared; its microstructure, impurity content, thermal, crystallization, optical and photo-luminescent properties are investigated. The glass microstructure, according to Raman scattering spectroscopy data, consists mainly of Ge(Se-1/2)(4), As4Se3 and (Se-3/2)Ge-Ge(Se-3/2) structural units. The glass has a low content of residual impurities, a wide transmission range (0.9-16 mu m), a high glass transition temperature (356 degrees C), and a low tendency to crystallization. When pumping laser radiation at a wavelength of 1.56 mu m the studied glass shows intense photoluminescence in the spectral regions 2.1-3.2 mu m and 3.5-6 mu m. The measured emission lifetime at 4.5-5 mu m wavelengths was 12.5 ms. The obtained Pr(3 + )-doped chalcogenide glass is promising for fabrication of active mid-IR optical fibers.
引用
收藏
页码:225 / 231
页数:7
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