Photoluminescence of Copper-Doped Lithium Niobate Crystals

The photoluminescence (PL) of copper-doped lithium niobate single crystals is studied using different UV–Vis light-emitting diodes and a pulse-periodic laser with a wavelength of 266 nm as excitation radiation sources. With the resonance excitation from a 527-nm light-emitting diode, the intensity o...

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Bibliographic Details
Published in:Physics of the solid state 2018-05, Vol.60 (5), p.906-911
Main Authors: Gorelik, V. S., Pyatyshev, A. Yu, Sidorov, N. V.
Format: Article
Language:English
Subjects:
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Copper
COPPER ADDITIONS
Dielectrics
DOPED MATERIALS
EXCITATION
Excitation spectra
LEDs
LIGHT EMITTING DIODES
LITHIUM COMPOUNDS
Lithium niobate
Lithium niobates
Luminous intensity
MONOCRYSTALS
NIOBATES
Optical properties
Organic light emitting diodes
PERIODICITY
PHOTOLUMINESCENCE
Physics
Physics and Astronomy
Radiation sources
RESONANCE
Single crystals
Solid State Physics
SPECTRA
WAVELENGTHS
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Summary:The photoluminescence (PL) of copper-doped lithium niobate single crystals is studied using different UV–Vis light-emitting diodes and a pulse-periodic laser with a wavelength of 266 nm as excitation radiation sources. With the resonance excitation from a 527-nm light-emitting diode, the intensity of PL increases sharply (by two orders of magnitude). When using a 467-nm light-emitting diode for excitation, the PL spectrum is characterized by the presence of multiphonon lines in the range of 520–620 nm.
ISSN:1063-7834
1090-6460
DOI:10.1134/S1063783418050098