کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1494493 992911 2017 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Infrared laser stimulated broadband white emission of Yb3+:YAG nanoceramics
ترجمه فارسی عنوان
انتشار سفید باند پهن القایی لیزر مادون قرمز نانوسرامیک های YB3 +: YAG
کلمات کلیدی
نانوسرامیک Yb:YAG ؛ تبدیل بالا؛ انتشار سفید
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
چکیده انگلیسی

The infrared (IR) stimulated broad band anti-Stokes white emission of Yb3+ doped YAG nanoceramics was observed. It occurred under a focused beam of incident IR laser diode in vacuum. This intensity of white emission has decreased with increasing ambient atmosphere pressure. The power dependence of white emission has demonstrated the threshold behaviour characteristic to the avalanche effect. It was shown that the intensity of white emission increased with Yb3+ concentration. The white emission was observed in normal ambient atmosphere only for fully concentrated YbAG nanoceramic.


► White emission was observed under IR excitation of YAG:Yb nanocrystalline ceramics.
► The emission intensity was strongly dependent on excitation power, temperature and ambient pressure.
► The emission intensity increased significantly with concentration of active ions.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optical Materials - Volume 35, Issue 11, September 2013, Pages 2013–2017
نویسندگان
, , , ,