Quantum efficiency measurements on Nd-doped glasses for solar pumped lasers

被引：27

作者：

Suzuki, Takenobu ^{[1
]}

Nasu, Hiroyuki ^{[1
]}

Hughes, Mark ^{[1
]}

Mizuno, Shintaro ^{[2
]}

Hasegawa, Kazuo ^{[2
]}

Ito, Hiroshi ^{[2
]}

Ohishi, Yasutake ^{[1
]}

机构：

[1] Toyota Technol Inst, Res Ctr Adv Photon Technol, Tempaku Ku, Nagoya, Aichi 4688511, Japan

[2] Toyota Cent Res & Dev Labs Inc, Aichi 4801192, Japan

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2010年 / 356卷 / 44-49期

关键词：

Solar pumped laser; Quantum efficiency; Fluorescence; RARE-EARTH IONS; ENERGY LEVELS; INTENSITIES; PHOSPHATE; ER3;

D O I：

10.1016/j.jnoncrysol.2010.03.037

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Nd-doped SiO(2)-B(2)O(3)-Na(2)O-Al(2)O(3)-CaO-ZrO(2) glasses were prepared and optical properties such as absorption, lifetime and quantum efficiencies (QEs) of the emission were characterized. QE measurement system with natural sunlight as an excitation source was constructed. The radiative QE (eta(r)) obtained from the lifetime by Judd-Ofelt analysis, directly measured QEs using natural sunlight (eta(ns)), simulated sunlight (eta(ss)) and an 800 nm laser (eta(800)) were measured and were compared with each other. The QE measurements suggest that the reduction of parasitic absorption by the host glass could be a more important factor for solar pumped lasers than for laser diode pumped lasers in order to increase the efficiency. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：2344 / 2349

页数：6

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