Sm3+-doped germanate glass channel waveguide as light source for minimally invasive photodynamic therapy surgery

被引：46
作者：
Chen, B. J. [1 ,2 ]
Shen, L. F. [1 ]
Pun, E. Y. B. [2 ]
Lin, H. [1 ,2 ]
机构：
[1] Dalian Polytech Univ, Sch Text & Mat Engn, Dalian 116034, Peoples R China
[2] City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 02期
关键词：
SM3+ IONS; OPTICAL-PROPERTIES; PHOTOLUMINESCENCE PROPERTIES; RADIATIVE PROPERTIES; LUMINESCENCE; FLUORIDE; OXIDE; SPECTROSCOPY; INTENSITIES; ABSORPTION;
D O I：
10.1364/OE.20.000879
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In Sm3+-doped K+-Na+ ion-exchanged aluminum germanate (NMAG) glass channel waveguide, a clear and compact red amplified spontaneous emission (ASE) trace is observed under the excitation of a 488nm Ar+ laser. 78% photons of ASE fluorescence in visible region are demonstrated to be located in 600-730nm wavelength range. High-directivity and high-brightness ASE fluorescence of Sm3+-doped NMAG glass channel waveguide, which matches the excitation band of most photosensitizers (PS) currently used in photodynamic therapy (PDT) or clinical trials, has promising potential application as an excitation light source for PDT treatment. (C)2012 Optical Society of America
引用
收藏
页码：879 / 889
页数：11
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