On the thermo-optic coefficient of P2O5 in SiO2

被引：21
|
作者：
Dragic, P. [1 ]
Cavillon, M. [2 ,3 ]
Ballato, J. [2 ,3 ]
机构：
[1] Univ Illinois, Dept Elect & Comp Engn, 306 N Wright St, Urbana, IL 61801 USA
[2] Clemson Univ, COMSET, 91 Technol Dr, Anderson, SC 29625 USA
[3] Clemson Univ, Dept Mat Sci & Engn, 91 Technol Dr, Anderson, SC 29625 USA
来源：
OPTICAL MATERIALS EXPRESS | 2017年 / 7卷 / 10期
关键词：
P2O5-DOPED SILICA FIBER; ACOUSTIC COEFFICIENTS; REFRACTIVE-INDEX; TEMPERATURE; VELOCITY; STRAIN;
D O I：
10.1364/OME.7.003654
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Measurements of the thermo-optic coefficient (dn/dT) are made on a binary phosphosilicate core glass optical fiber. Using these results, dn/dT for the P2O5 constituent is found to be -13.3 x 10(-6) +/- 8.0% K-1, a value much lower in magnitude than reported in the literature for this system. Its accurate elucidation is especially useful in guiding the design of low-or negative-thermo-optic glasses and optical fibers. The phosphosilicate core also has a coefficient of thermal expansion that is higher than that of the pure silica cladding. As a result, the clad fiber geometry slightly lessens the effectiveness of the negative-valued contribution to dn/dT by P2O5 relative to bulk glass. (C) 2017 Optical Society of America
引用
收藏
页码：3654 / 3661
页数：8
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