Optical Properties of Copper-Doped Lithium Niobate Crystals

被引：5

作者：

Gorelik, V. S. ^{[1
,2
]}

Palatnikov, M. N. ^{[3
]}

Pyatyshev, A. Yu ^{[2
,4
]}

Sidorov, N., V ^{[3
]}

Skrabatun, A., V ^{[1
,2
]}

机构：

[1] Russian Acad Sci, PN Lebedev Phys Inst, Leninskii Pr 53, Moscow 119991, Russia

[2] Bauman Moscow State Tech Univ, Vtoraya Baumanskaya Ul 5, Moscow 105005, Russia

[3] Russian Acad Sci, Kola Sci Ctr, Tananaev Inst Chem & Technol Rare Elements & Mine, Akademgorodok 26a, Apatity 184209, Murmansk Oblast, Russia

[4] JSC Shokin Istok Res & Prod Corp, Vokzalnaya Ul 2A, Fryazino 141190, Moscow Oblast, Russia

来源：

INORGANIC MATERIALS | 2018年 / 54卷 / 10期

基金：

俄罗斯基础研究基金会;

关键词：

lithium niobate; light emitting diode; laser; frequency comb; emission; RAMAN-SPECTRA; SPECTROSCOPY; SCATTERING;

D O I：

10.1134/S0020168518100072

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have studied the optical properties of copper-doped lithium niobate crystals using semiconductor light-emitting diodes and lasers emitting in the visible and ultraviolet spectral regions as excitation sources. The results demonstrate that, at an excitation frequency approaching the frequency of electronic absorption in copper ions, there is discrete resonance Raman scattering in the form of a frequency comb. The observed Raman satellites of discrete light scattering are due to polar longitudinal A (1) optical modes of the lithium niobate single crystal. Under excitation by a light-emitting diode with a wavelength of 520 nm, we observe a sharp increase in discrete light scattering intensity in comparison with the photoluminescence excited by shorter wavelength excitation sources.

引用

页码：1013 / 1020

页数：8

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