Study on laser property and 550nm lifetime characteristics of lithium niobate doped with magnesium and erbium

WANG Yi-jie; YU Hai-tao; SUN Liang; XU Yu-heng

LASER TECHNOLOGY > 2008 > 32(3): 284-286.

WANG Yi-jie, YU Hai-tao, SUN Liang, XU Yu-heng. Study on laser property and 550nm lifetime characteristics of lithium niobate doped with magnesium and erbium[J]. LASER TECHNOLOGY, 2008, 32(3): 284-286.

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Study on laser property and 550nm lifetime characteristics of lithium niobate doped with magnesium and erbium

1.
Applied Science College, Harbin University of Science and Technology, Harbin 150080, China;
2.
School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China

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Received Date: April 23, 2007
Revised Date: July 03, 2007
Published Date: June 24, 2008

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In order to measure the photo damage threshold and infrared spectra of Mg:Er:LiNbO3 crystals,the high quality Mgx:Ery:LiNbO3(x=0.02,0.04,0.06,0.08,y=0.01(mole fraction)) crystals were grown by Czochralski technique.The experiment indicated that the photo damage resistance ability of Mg(0.06):Er:LiNbO3 and Mg(0.08):Er:LiNbO3 crystals improved the two orders magnitude over higher than that of LiNbO3 crystals and their OH-absorption peak of infrared spectra shifts to 3535cm-1 nearby.The experiment gained the steady state shoot spectra of Mg:Er:LiNbO3 crystals in wavelength 510nm~580nm finding doped with mole fraction 0.04 of MgO.The results showed that the Mg2+ concentration increased the photo damage resistance ability increased and the lifetime of Mg:Er:LiNbO3 crystal doped with mole fraction 0.04 of MgO was the longest.
- laser technique,
- Mg:Er:LiNbO3 crystal,
- laser propery,
- photo damage threshold,
- lifetime characteristics

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Study on laser property and 550nm lifetime characteristics of lithium niobate doped with magnesium and erbium

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