NEW TRANSPARENT VITROCERAMICS CODOPED WITH ER3+ AND YB3+ FOR EFFICIENT FREQUENCY UP-CONVERSION

被引：717

作者：

WANG, YH ^{[1
]}

OHWAKI, J ^{[1
]}

机构：

[1] NIPPON TELEGRAPH & TEL PUBL CORP, OPTOELECTR LABS, TOKAI, IBARAKI 31911, JAPAN

来源：

APPLIED PHYSICS LETTERS | 1993年 / 63卷 / 24期

关键词：

D O I：

10.1063/1.110170

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Through thermal treatment of a fluoroaluminosilicate glass codoped with Er3+-Yb3+ at a suitable temperature, microcrystallites were successfully precipitated in the glass matrix but little change was observed in the optical transmission spectra even around the ultraviolet edge, meanwhile the green upconversion luminescence due to the S-4(3/2)-I-4(15/2) transition of Er3+ increased by a factor of approximately 100 when a 0.97 mum laser diode (LD) (5 mW) was used for excitation. The infrared to green or to red upconversion efficiencies for the vitroceramics are evaluated to be nearly 2 or 10 times as high as fluoride glasses, respectively. Also higher mechanical and chemical stabilities and laser damage threshold over fluoride glasses or crystals are expected for the vitroceramics.

引用

页码：3268 / 3270

页数：3

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