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2. 发明申请

WO1997037256A1 A FIBER OPTIC SENSOR BASED UPON BUCKLING OF A FREELY SUSPENDED LENGTH OF FIBER 审中-公开
标题翻译：基于纤维长度纤维的纤维光学传感器
公开(公告)号：WO1997037256A1
公开(公告)日：1997-10-09
申请号：PCT/US1997005314
申请日：1997-03-28
申请人： WANSER, Keith, H. , VOSS, Karl, F.
IPC分类号： G02B06/125
CPC分类号： G02B6/14 , G01D5/35345
摘要： A new class of fiber optic sensors (30) based on nonlinear buckling of fibers (41, 44, 61) and optical bend loss provide intrinsic, all-fiber displacement sensors (30) which exhibit several unique properties. Primary among them is a sensing range from less than 1 mu m to several mu m, which is convenient for many structural monitoring applications. This sensing range is also very convenient for many actuator and lever arm sensing applications. In addition, the sensors (30) exhibit a very low temperature dependence of the response, and are easily configurable for a variety of novel applications. They may be implemented with single-mode, few mode, or highly multimode fibers (41, 44, 61), including plastic optical fiber (POF). Both step index and graded index profile fibers produce useful sensors (30) with differing response characteristics.
摘要翻译：基于纤维（41,44,61）的非线性屈曲和光学弯曲损耗的新型光纤传感器（30）提供了内在的全纤维位移传感器（30），其具有几个独特的性质。其中主要的检测范围从小于1微米到数亩，便于许多结构监测应用。该感应范围对于许多执行器和杠杆臂感应应用也是非常方便的。此外，传感器（30）表现出非常低的响应温度依赖性，并且可以容易地配置用于各种新颖的应用。它们可以用单模，少模或高多模光纤（41，44，61）（包括塑料光纤（POF））来实现。阶梯折射率和渐变折射率分布光纤都产生具有不同响应特性的有用传感器（30）。

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