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公开(公告)号：US5290103A
公开(公告)日：1994-03-01
申请号：US976317
申请日：1992-11-13
CPC分类号： G01K11/3213 , G01K11/32
摘要： An optical fiber temperature sensor including an optical fiber (1) which has a mirror (3) at its end, and which is associated with temperature-sensitive means, means for launching a signal into said fiber and means for receiving the signal reflected by said mirror back along the fiber, said temperature-sensitive means being a section of amplifying optical fiber (10) bonded to said optical fiber (1), cooperating with a light pump source, and doped with a chosen rare-earth element.
摘要翻译： 一种光纤温度传感器，包括在其端部具有反射镜（3）并且与温度敏感装置相关联的光纤（1），用于向所述光纤发射信号的装置和用于接收由所述光信号反射的信号的装置 所述温度敏感装置是与光泵浦源配合并且掺杂有所选择的稀土元素的放大光纤（10）的一段放大光纤（10）。
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2.发明授权
公开(公告)号：US5185847A
公开(公告)日：1993-02-09
申请号：US870305
申请日：1992-04-17
CPC分类号： H01S3/063 , G02B6/30 , H01S3/17 , H01S2302/00 , H01S2303/00
摘要： An optical amplifier in the 1.26 .mu.m to 1.34 .mu.m spectrum range, comprising a solid substrate of fluoride glass doped with praseodymium in which a three-dimensional monomode waveguide is formed having an index difference .DELTA.n relative to the index of the fluoride glass lying in the range 4.times.10.sup.-3 and 8.times.10.sup.-2, said waveguide being associated by coupling means to an optical pump having a wavelength equal to 1.02 .mu.m .+-.0.1 .mu.m.
摘要翻译： 一种光放大器，在1.26μm至1.34μm的光谱范围内，包括掺杂有镨的氟化物玻璃的固体基底，其中形成三维单模波导，其相对于位于氟化物玻璃的指数具有指数差ΔTATAn 在4×10 -3和8×10 -2的范围内，所述波导通过耦合装置与波长等于1.02μm+/-0.1μm的光泵相关联。
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公开(公告)号：US5134517A
公开(公告)日：1992-07-28
申请号：US665533
申请日：1991-03-06
IPC分类号： G02B6/00 , G02B6/02 , G02F1/35 , H01S3/06 , H01S3/067 , H01S3/07 , H01S3/17 , H04B10/16 , H04B10/17
CPC分类号： H01S3/06708
摘要： An erbium-doped fiber optical amplifier, characterized in that said fiber has a mode radius which is not greater than 2.7 .mu.m at a wavelength of 1.55 .mu.m, and in that it has at least one pump wavelength situated in the following regions of the spectrum: 0.98 .mu.m.+-.0.4 .mu.m and 1.48 .mu.m.+-.0.4 .mu.m; the region of the spectrum of at least one signal to be amplified being 1.5 .mu.m to 1.6 .mu.m.
摘要翻译： 一种掺铒光纤放大器，其特征在于，所述光纤的波长为1.55μm的模式半径不大于2.7μm，并且其中至少有一个泵浦波长位于 光谱：0.98μm±0.4μm，1.48μm±0.4μm; 要放大的至少一个信号的光谱区域为1.5μm至1.6μm。
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公开(公告)号：US5295217A
公开(公告)日：1994-03-15
申请号：US907716
申请日：1992-07-01
IPC分类号： G02B27/28 , G02F1/35 , H01S3/06 , H01S3/067 , H01S3/07 , H01S3/094 , H01S3/10 , H04B10/16 , H04B10/17 , G02B6/00
CPC分类号： H01S3/06758 , H01S2301/02
摘要： An amplifier having an amplifying optical fiber, the amplifier including means for reducing the optical noise due to amplified spontaneous emission, said means being inserted in the length of the amplifying optical fiber, wherein said means comprise an optical isolator.
摘要翻译： 一种具有放大光纤的放大器，所述放大器包括用于减少由于放大的自发发射引起的光噪声的装置，所述装置插入放大光纤的长度，其中所述装置包括光隔离器。
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5.发明授权Telecommunications system having fiber optical amplifiers for transmitting signals over long distances 失效具有用于长距离传输信号的光纤放大器的电信系统
公开(公告)号：US5251061A
公开(公告)日：1993-10-05
申请号：US872177
申请日：1992-04-22
IPC分类号： G02B6/00 , G02F1/35 , H01S3/06 , H01S3/07 , H01S3/094 , H01S3/17 , H04B10/16 , H04B10/17 , H01S3/30 , G02C6/26
CPC分类号： H04B10/2933 , H04B10/2912
摘要： A telecommunications system having erbium-doped fiber optical amplifiers for transmitting signals including at least one signal at a wavelength of about 1550 nm, wherein the amplifiers are fibers whose cores are doped with erbium and germanium and are free from aluminum; and wherein for each of the amplifiers, the length of the fiber and the pumping power which is injected therein are such that the noise generated by the fiber is generally emitted around 1550 nm. As can be seen in FIG. 4 , the signal-to-noise ratio remains satisfactory after 10,000 km of propagation without using an intermediate filter.
摘要翻译： 一种具有铒掺杂光纤放大器的电信系统，用于传输包括至少一个在约1550nm波长的信号的信号，其中放大器是其芯掺杂有铒和锗并且不含铝的光纤; 并且其中对于每个放大器，光纤的长度和其中注入的泵浦功率使得由光纤产生的噪声通常在1550nm附近发射。 从图中可以看出 如图4所示，在不使用中间滤波器的情况下，信号噪声比在10,000km的传播之后保持令人满意。
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公开(公告)号：US4959837A
公开(公告)日：1990-09-25
申请号：US434192
申请日：1989-11-13
申请人： Herve Fevrier , Josiane Ramos , Jacques Auge , Jean-Francois Marcerou , Bernard Jacquier , Jean-Claude Gacon
发明人： Herve Fevrier , Josiane Ramos , Jacques Auge , Jean-Francois Marcerou , Bernard Jacquier , Jean-Claude Gacon
IPC分类号： G02B6/00 , C03B37/018 , C03C4/12 , C03C13/04 , G02F1/35 , H01L27/15 , H01S3/06 , H01S3/067 , H01S3/17
CPC分类号： H01S3/06708 , H01S3/06729
摘要： An erbium-doped fiber laser amplifier (1), characterized by the fact that said fiber (3) is doped to a concentration lying in the range 5 ppm to 50 ppm, that the length of said fiber lies in the range 250 m to 30 m depending on the selected concentration of doping, and that the radial position of the doped zone substantially coincides with the energy maximum of the set of propagation modes in said fiber at the pumping wavelength.
摘要翻译： 掺铒光纤激光放大器（1），其特征在于，所述光纤（3）的掺杂浓度在5ppm至50ppm的范围内，所述光纤的长度在250μm至30nm的范围内 取决于所选择的掺杂浓度，并且掺杂区的径向位置基本上与泵浦波长处的所述光纤中的传播模式集合的能量最大值一致。
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7.发明授权System for transmission over a repeaterless optical fiber line, with remote and local amplification 失效通过无中继光纤线路传输的系统，具有远程和本地放大
公开(公告)号：US5561553A
公开(公告)日：1996-10-01
申请号：US489768
申请日：1995-06-13
CPC分类号： H04B10/2937 , H04B10/291 , H04B10/2912 , H04B10/675
摘要： A system for transmission over a repeaterless optical fiber line between an emitter and a receiver terminal, the system being of the type implementing remote optical amplification and local optical amplification on reception. The remote optical amplification consists in sending a pump beam from the receiver terminal towards at least one remote section of doped fiber situated upstream in said optical fiber line, said receiver terminal including, in particular, pumping means enabling said pump beam to be generated and enabling it to be injected into said optical fiber line. The terminal also includes means for performing said local optical amplification. According to the invention, said means for implementing local optical amplification are constituted by at least one local section of doped fiber situated within said receiver terminal between said pumping means and said optical fiber line.
摘要翻译： 一种用于在发射器和接收器端子之间的无中继光纤线路上传输的系统，该系统是在接收时实现远程光放大和局部光放大的类型。 远程光放大包括将泵浦光束从接收器端子发送到位于所述光纤线路上游的至少一个掺杂光纤的远程部分，所述接收器终端特别包括使得能够产生所述泵浦波束的泵送装置 它被注入到所述光纤线路中。 终端还包括用于执行所述局部光放大的装置。 根据本发明，用于实现本地光放大的所述装置由位于所述泵装置和所述光纤线路之间的所述接收器端子内的至少一个掺杂光纤局部部分构成。
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