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公开(公告)号：US20100166373A1
公开(公告)日：2010-07-01
申请号：US12663178
申请日：2009-02-20
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： Provided is an optical fiber that has a small bending loss, can be securely prevented from being fractured due to accidental bending during installation or other operations, and is compliant with the G. 652 standard. An optical fiber 1 includes a core 11, a first cladding 12, a second cladding 13, and a third cladding 14. The relative refractive index difference Δ1 of the core 11 is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding 12 is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding 13 is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding 13 satisfy the expression “0.4r2+10.5
摘要翻译： 提供了具有小弯曲损耗的光纤，可以可靠地防止由于安装或其他操作期间的意外弯曲而导致的断裂，并且符合G.652标准。 光纤1包括芯11，第一包层12，第二包层13和第三包层14.芯11的相对折射率差Dgr; 1在0.3％至0.38％的范围内，相对 第一包层12的折射率差Dgr2等于或小于0％，第二包层13的相对折射率差Dgr 3在-1.8％至-0.5％的范围内。 第二包层13的内半径r2和外半径r3满足表达式“0.4r2 + 10.5
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公开(公告)号：US08249407B2
公开(公告)日：2012-08-21
申请号：US13304163
申请日：2011-11-23
IPC分类号： G02B6/036
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： An optical fiber that has a small bending loss can be securely prevented from being fractured due to accidental bending during installation or other operations, and is compliant with the G. 652 standard. The optical fiber includes a core, a first cladding, a second cladding and a third cladding. The relative refractive index difference Δ1 of the core is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding satisfy the expression “0.4r2+10.5
摘要翻译： 可以可靠地防止由于安装或其他操作期间的意外弯曲而导致弯曲损耗小的光纤被破裂，符合G.652标准。 光纤包括芯，第一包层，第二包层和第三包层。 芯的相对折射率差Dgr 1在0.3％〜0.38％的范围内，第一包层的相对折射率差Dgr2等于或小于0％，相对折射率差Dgr ; 3的第二包层在-1.8％至-0.5％的范围内。 第二包层的内半径r2和外半径r3满足表达式“0.4r2 + 10.5
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公开(公告)号：US08081856B2
公开(公告)日：2011-12-20
申请号：US13113668
申请日：2011-05-23
IPC分类号： G02B6/036
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： Provided is an optical fiber that has a small bending loss, can be securely prevented from being fractured due to accidental bending during installation or other operations, and is compliant with the G. 652 standard. An optical fiber 1 includes a core 11, a first cladding 12, a second cladding 13, and a third cladding 14. The relative refractive index difference Δ1 of the core 11 is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding 12 is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding 13 is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding 13 satisfy the expression “0.4r2+10.5
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公开(公告)号：US08301001B2
公开(公告)日：2012-10-30
申请号：US13486813
申请日：2012-06-01
IPC分类号： G02B6/36
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： An optical fiber that has a small bending loss can be securely prevented from being fractured due to accidental bending during installation or other operations. The optical fiber includes a core, a first cladding, a second cladding, and a third cladding. The relative refractive index difference Δ1 of the core is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding satisfy the expression “0.4r2+10.5
摘要翻译： 可以可靠地防止由于在安装或其他操作期间的意外弯曲而具有小的弯曲损耗的光纤被破裂。 光纤包括芯，第一包层，第二包层和第三包层。 芯的相对折射率差Dgr 1在0.3％〜0.38％的范围内，第一包层的相对折射率差Dgr2等于或小于0％，相对折射率差Dgr ; 3的第二包层在-1.8％至-0.5％的范围内。 第二包层的内半径r2和外半径r3满足表达式0.4r2 + 10.5
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公开(公告)号：US20120141077A1
公开(公告)日：2012-06-07
申请号：US13304163
申请日：2011-11-23
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： An optical fiber that has a small bending loss can be securely prevented from being fractured due to accidental bending during installation or other operations, and is compliant with the G. 652 standard. The optical fiber includes a core, a first cladding, a second cladding and a third cladding. The relative refractive index difference Δ1 of the core is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding satisfy the expression “0.4r2+10.5
摘要翻译： 可以可靠地防止由于安装或其他操作期间的意外弯曲而导致弯曲损耗小的光纤被破裂，符合G.652标准。 光纤包括芯，第一包层，第二包层和第三包层。 芯的相对折射率差Dgr 1在0.3％〜0.38％的范围内，第一包层的相对折射率差Dgr2等于或小于0％，相对折射率差Dgr ; 3的第二包层在-1.8％至-0.5％的范围内。 第二包层的内半径r2和外半径r3满足表达式“0.4r2 + 10.5
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公开(公告)号：US20120237174A1
公开(公告)日：2012-09-20
申请号：US13486813
申请日：2012-06-01
IPC分类号： G02B6/44
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： An optical fiber that has a small bending loss can be securely prevented from being fractured due to accidental bending during installation or other operations. The optical fiber includes a core, a first cladding, a second cladding, and a third cladding. The relative refractive index difference Δ1 of the core is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding satisfy the expression “0.4r2+10.5
摘要翻译： 可以可靠地防止由于在安装或其他操作期间的意外弯曲而具有小的弯曲损耗的光纤被破裂。 光纤包括芯，第一包层，第二包层和第三包层。 芯的相对折射率差Dgr 1在0.3％〜0.38％的范围内，第一包层的相对折射率差Dgr2等于或小于0％，相对折射率差Dgr ; 3的第二包层在-1.8％至-0.5％的范围内。 第二包层的内半径r2和外半径r3满足表达式“0.4r2 + 10.5
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公开(公告)号：US08081855B2
公开(公告)日：2011-12-20
申请号：US12663178
申请日：2009-02-20
IPC分类号： G02B6/036
CPC分类号： G02B6/0365 , G02B6/02395 , G02B6/4433
摘要： Provided is an optical fiber that has a small bending loss, can be securely prevented from being fractured due to accidental bending during installation or other operations, and is compliant with the G. 652 standard. An optical fiber 1 includes a core 11, a first cladding 12, a second cladding 13, and a third cladding 14. The relative refractive index difference Δ1 of the core 11 is in the range of 0.3% to 0.38%, the relative refractive index difference Δ2 of the first cladding 12 is equal to or smaller than 0%, and the relative refractive index difference Δ3 of the second cladding 13 is in the range of −1.8% to −0.5%. The inner radius r2 and the outer radius r3 of the second cladding 13 satisfy the expression “0.4r2+10.5
摘要翻译： 提供了具有小弯曲损耗的光纤，可以可靠地防止由于安装或其他操作期间的意外弯曲而导致的断裂，并且符合G.652标准。 光纤1包括芯11，第一包层12，第二包层13和第三包层14.芯11的相对折射率差Dgr; 1在0.3％至0.38％的范围内，相对 第一包层12的折射率差Dgr2等于或小于0％，第二包层13的相对折射率差Dgr 3在-1.8％至-0.5％的范围内。 第二包层13的内半径r2和外半径r3满足表达式“0.4r2 + 10.5
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公开(公告)号：US08223323B2
公开(公告)日：2012-07-17
申请号：US12750029
申请日：2010-03-30
IPC分类号： G01N21/00
CPC分类号： G01M11/33
摘要： A method includes a first step of joining a multimode fiber to a first end of an optical fiber being a specimen, allowing light to propagate from the multimode fiber to the specimen, measuring an intensity of light from a second end of the specimen, and determining a first power spectrum; a second step of joining the multimode fiber to a first end of a reference fiber having bending loss higher than that of the specimen, allowing light to propagate from the multimode fiber to the reference fiber, measuring an intensity of light from a second end of the reference fiber, and determining a second power spectrum; a third step of determining a difference spectrum by subtracting the second power spectrum from the first power spectrum; and a fourth step of determining a higher-order mode cutoff wavelength of the specimen on the basis of a shape of the difference spectrum.
摘要翻译： 一种方法包括将多模光纤连接到作为样本的光纤的第一端的第一步骤，允许光从多模光纤传播到样品，测量来自样品的第二端的光的强度，以及确定 第一功率谱; 将多模光纤连接到具有高于样品的弯曲损耗的参考光纤的第一端的第二步骤，允许光从多模光纤传播到参考光纤，测量来自第二端的光的强度 参考光纤，并确定第二功率谱; 第三步骤，通过从第一功率谱中减去第二功率谱来确定差分谱; 以及基于差分光谱的形状来确定样本的高次模截止波长的第四步骤。
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公开(公告)号：US20100247093A1
公开(公告)日：2010-09-30
申请号：US12750029
申请日：2010-03-30
CPC分类号： G01M11/33
摘要： A method includes a first step of joining a multimode fiber to a first end of an optical fiber being a specimen, allowing light to propagate from the multimode fiber to the specimen, measuring an intensity of light from a second end of the specimen, and determining a first power spectrum; a second step of joining the multimode fiber to a first end of a reference fiber having bending loss higher than that of the specimen, allowing light to propagate from the multimode fiber to the reference fiber, measuring an intensity of light from a second end of the reference fiber, and determining a second power spectrum; a third step of determining a difference spectrum by subtracting the second power spectrum from the first power spectrum; and a fourth step of determining a higher-order mode cutoff wavelength of the specimen on the basis of a shape of the difference spectrum.
摘要翻译： 一种方法包括将多模光纤连接到作为样本的光纤的第一端的第一步骤，允许光从多模光纤传播到样品，测量来自样品的第二端的光的强度，以及确定 第一功率谱; 将多模光纤连接到具有高于样品的弯曲损耗的参考光纤的第一端的第二步骤，允许光从多模光纤传播到参考光纤，测量来自第二端的光的强度 参考光纤，并确定第二功率谱; 第三步骤，通过从第一功率谱中减去第二功率谱来确定差分谱; 以及基于差分光谱的形状来确定样本的高次模截止波长的第四步骤。
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10.发明申请Portable communication terminal, evacuation route display system, and emergency alert broadcasting device 审中-公开便携式通信终端，疏散路由显示系统和应急报警广播设备公开(公告)号：US20070049259A1
公开(公告)日：2007-03-01
申请号：US11501243
申请日：2006-08-09
IPC分类号： H04Q7/22
CPC分类号： G08B27/006 , A62B99/00 , G08B7/066 , G08B17/00 , H04M1/72536 , H04M2250/10 , H04W4/90 , H04W76/50 , H04W88/02
摘要： A portable communication terminal and a evacuation route display system are arranged to guide a user to a safe area in emergency situation, and a emergency alert broadcasting device is arranged to detect smoke or noxious gas and to broadcast the detected information to a plurality of portable communication terminals. The portable communication terminal includes a receiving section that receives emergency information and a display section that displays the emergency information. The evacuation route display system includes a base station including a memory that stores map information and evacuation route information and a circuit that transmits the map information and the evacuation route information to the terminal during emergency. The emergency alert broadcasting device includes a detecting device that detects smoke or noxious gas, and an information-sending unit that sends the detected information and evacuation information over a communication network to portable communication terminals.
摘要翻译： 便携式通信终端和撤离路线显示系统被布置为在紧急情况下将用户引导到安全区域，并且布置了用于检测烟雾或有害气体并将检测到的信息广播到多个便携式通信的紧急警报广播设备 终端。 便携式通信终端包括接收紧急信息的接收部分和显示紧急信息的显示部分。 撤离路径显示系统包括：基站，包括存储地图信息和撤离路线信息的存储器;以及在紧急情况期间将地图信息和撤离路线信息发送到终端的电路。 紧急警报广播装置包括检测烟雾或有害气体的检测装置，以及通过通信网络将检测到的信息和疏散信息发送到便携式通信终端的信息发送单元。
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