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公开(公告)号：EP0215713B1
公开(公告)日：1991-01-23
申请号：EP86401990.6
申请日：1986-09-11
CPC分类号： G02B6/2552 , G02B6/102 , G02B6/262 , G02B6/32
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公开(公告)号：EP0215713A3
公开(公告)日：1987-10-07
申请号：EP86401990
申请日：1986-09-11
CPC分类号： G02B6/2552 , G02B6/102 , G02B6/262 , G02B6/32
摘要： An optical fiber having an elliptical lens comprises a main body (10) and two fiber pieces (15, 16) embracing one end of the main fiber body (10) therebetween and extending substantially in parallel with said main fiber body (10). The elliptical lens is formed by fused ends of the main fiber body (10) and the fiber pieces (15, 16). A method of producing an optical fiber having an elliptical lens comprises steps of arranging two fiber pieces (15, 16) substantially in parallel with and on both sides of an optical fiber (10) and adjoining and embracing one end of the optical fiber (10) and heating and fusing ends of the optical fiber (10) and the fiber pieces (15, 16) to form the elliptical lens by the fused portions thereof with the aid of surface tension. Light beams are effectively introduced into the optical fiber through the elliptical lens.
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公开(公告)号：EP0214907A3
公开(公告)日：1988-04-20
申请号：EP86401918
申请日：1986-09-01
IPC分类号： G01D05/26
摘要： A fiber sensor for measuring temperature or strain comprises a first polarization-maintaining fiber (12) and a second polarization-maintaining fiber (16). In case of a temperature fiber sensor, the first and second fibers are selected to be unequal in change in phase difference caused by change in temperature but equal in change in phase difference caused by strain. In case of a strain fiber sensor, the first (12) and second (16 ) fibers are selected to be unequal in change in phase difference caused by strain but equal in change in phase difference caused by change in temperature. Axes of polarization of the first (12) and second (16) fibers ar shifted by 90° at a junction of the fibers. With these arrangement, the temperature fiber sensor can measure the change in temperature with high accuracy without being affected by strain, while the strain fiber sensor can measure the strain with high accuracy without being affected by the change in temperature.
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5.发明公开Optical fiber having elliptical lens and method of producing the same 失效Optische Faser mit elliptischer Linse unddiesbezüglichesHerstellungsverfahren。
公开(公告)号：EP0215713A2
公开(公告)日：1987-03-25
申请号：EP86401990.6
申请日：1986-09-11
CPC分类号： G02B6/2552 , G02B6/102 , G02B6/262 , G02B6/32
摘要： An optical fiber having an elliptical lens comprises a main body (10) and two fiber pieces (15, 16) embracing one end of the main fiber body (10) therebetween and extending substantially in parallel with said main fiber body (10). The elliptical lens is formed by fused ends of the main fiber body (10) and the fiber pieces (15, 16). A method of producing an optical fiber having an elliptical lens comprises steps of arranging two fiber pieces (15, 16) substantially in parallel with and on both sides of an optical fiber (10) and adjoining and embracing one end of the optical fiber (10) and heating and fusing ends of the optical fiber (10) and the fiber pieces (15, 16) to form the elliptical lens by the fused portions thereof with the aid of surface tension. Light beams are effectively introduced into the optical fiber through the elliptical lens.
摘要翻译： 具有椭圆透镜的光纤包括主体（10）和两个纤维片（15,16），其包围主纤维体（10）的一端并且与所述主纤维体（10）基本上平行延伸。 椭圆透镜由主纤维体（10）和纤维片（15,16）的熔融端构成。 一种制造具有椭圆透镜的光纤的方法包括以下步骤：将两个光纤片（15,16）布置成与光纤（10）基本上平行并在其两侧并邻接并包围光纤（10）的一端 ）和光纤（10）和纤维片（15,16）的加热和熔合端，以借助于表面张力由其熔融部分形成椭圆形透镜。 通过椭圆透镜将光束有效地引入到光纤中。
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公开(公告)号：EP0214907A2
公开(公告)日：1987-03-18
申请号：EP86401918.7
申请日：1986-09-01
IPC分类号： G01D5/26
摘要： A fiber sensor for measuring temperature or strain comprises a first polarization-maintaining fiber (12) and a second polarization-maintaining fiber (16). In case of a temperature fiber sensor, the first and second fibers are selected to be unequal in change in phase difference caused by change in temperature but equal in change in phase difference caused by strain. In case of a strain fiber sensor, the first (12) and second (16 ) fibers are selected to be unequal in change in phase difference caused by strain but equal in change in phase difference caused by change in temperature. Axes of polarization of the first (12) and second (16) fibers ar shifted by 90° at a junction of the fibers. With these arrangement, the temperature fiber sensor can measure the change in temperature with high accuracy without being affected by strain, while the strain fiber sensor can measure the strain with high accuracy without being affected by the change in temperature.
摘要翻译： 用于测量温度或应变的光纤传感器包括第一偏振保持光纤（12）和第二偏振保持光纤（16）。 在温度光纤传感器的情况下，第一和第二光纤被选择为由温度变化引起的相位差变化不相等，但是由应变引起的相位差变化相等。 在应变光纤传感器的情况下，第一光纤（12）和第二光纤（16）被选择为在由应变引起的相位差变化上不相等，但是由温度变化引起的相位差变化相等。 第一（12）和第二（16）纤维的偏振轴在纤维的连接处偏移90°。 通过这样的配置，温度光纤传感器能够高精度地测量温度变化而不受应变的影响，而应变光纤传感器能够以高精度测量应变而不受温度变化的影响。
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