材料科学
布里渊区
布里渊散射
拉伸应变
布里渊光谱学
极限抗拉强度
光纤
纤维
光学
频移
复合材料
光谱学
拉伤
光纤激光器
光电子学
激光器
波长
光子晶体光纤
双折射
物理
内科学
医学
量子力学
作者
Tsuneo Horiguchi,Toshio Kurashima,Mitsuhiro Tateda
出处
期刊:IEEE Photonics Technology Letters
[Institute of Electrical and Electronics Engineers]
日期:1989-05-01
卷期号:1 (5): 107-108
被引量:445
摘要
Brillouin frequency shift in a single-mode optical fiber has been measured as a function of tensile strain. The strain coefficient of normalized Brillouin frequency shift C identical to (dv/sub B//d epsilon )/v/sub B/ is found to be 4.4 for silica fibers. This result shows the potential of Brillouin spectroscopy to evaluate tensile strain in the fiber with the strain resolution of about 2*10/sup -4/. The origin of the large strain coefficient is discussed.< >
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