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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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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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3.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：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.发明申请System and method for fractional Raman order pumping in optical communication systems 有权光通信系统中分数拉曼级抽运的系统和方法公开(公告)号：US20070002904A1
公开(公告)日：2007-01-04
申请号：US11173629
申请日：2005-06-30
申请人： Herve Fevrier , Andrej Puc , Do Il Chang , Andrzej Kaminski
发明人： Herve Fevrier , Andrej Puc , Do Il Chang , Andrzej Kaminski
IPC分类号： H01S3/30
CPC分类号： H01S3/302 , H01S3/06758 , H01S3/094011 , H01S3/094096 , H01S3/10007 , H01S2301/04 , H04B10/2916
摘要： An optical communication system includes a gain medium that is capable of receiving at least one optical signal that includes one or more optical signal wavelengths. The system also includes one or more pump sources that are capable of generating at least one pump signal for introduction to the gain medium. The pump signal includes one or more fractional Raman order pump wavelengths having a Raman gain peak that is a non-integer multiple of one stokes shift from each of the one or more optical signal wavelengths. In one particular embodiment, the pump signal interacts with the optical signal as the pump signal traverses at least a portion of the gain medium.
摘要翻译： 光通信系统包括能够接收包括一个或多个光信号波长的至少一个光信号的增益介质。 该系统还包括能够产生用于引入增益介质的至少一个泵浦信号的一个或多个泵浦源。 泵浦信号包括具有拉曼增益峰值的一个或多个分数拉曼阶泵浦波长，该拉曼增益峰值是来自一个或多个光信号波长中的每一个的一个斯托克斯偏移的非整数倍。 在一个特定实施例中，当泵浦信号穿过增益介质的至少一部分时，泵浦信号与光信号相互作用。
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公开(公告)号：US5612805A
公开(公告)日：1997-03-18
申请号：US460562
申请日：1995-06-02
申请人： Herve Fevrier , Philippe Perrier , Luc Berthelon
发明人： Herve Fevrier , Philippe Perrier , Luc Berthelon
CPC分类号： H04Q11/0062 , H04J14/0204 , H04J14/0205 , H04J14/021 , H04J14/0212 , H04J14/0213 , H04J14/0206 , H04Q2011/0011 , H04Q2011/0013 , H04Q2011/0015 , H04Q2011/0039 , H04Q2011/0092
摘要： An add-drop optical spectrum-division multiplexer for dropping a drop multiplex from an incoming multiplex signal and for adding an add multiplex into an outgoing multiplex signal. The multiplexer includes a demultiplexing device for separating a number of optical carriers from the incoming multiplex signal and for selecting drop carriers which constitute the drop multiplex as well as through carriers which are to be output as the outgoing multiplex signal. The multiplexer further includes an apparatus for selecting a certain number of add carriers from the total number of carriers of the add multiplex, and a coupling device and wavelength converter for allocating fixed wavelengths to the signals which modulate the through carriers and the add carriers.
摘要翻译： 一种用于从输入多路复用信号中丢弃分路复用并用于将多路复用加到输出多路复用信号中的分插光谱分段多路复用器。 多路复用器包括用于从输入复用信号中分离多个光载波并用于选择构成丢包多路复用的载波并通过作为输出多路复用信号输出的载波的解复用装置。 多路复用器还包括一个用于从加法多路复用的载波总数中选择一定数量的加法载波的装置，以及耦合器件和波长转换器，用于将固定波长分配给调制通过载波和加载波的信号。
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公开(公告)号：US5106176A
公开(公告)日：1992-04-21
申请号：US495830
申请日：1990-03-12
CPC分类号： G02B6/03611 , G02F1/383 , H01S3/06708 , H01S3/06729
摘要： An optical fiber for frequency conversion, has an annular index profile structure for obtaining zero order phase matching and optimum overlap between the fibers's resonant propagation modes, one propagating the wave w and the other the wave kw where 2.ltoreq.k.ltoreq.4 for at least one wavelength lying in the range 0.4 .mu.m to 2.6 .mu.m, with the index step .delta.n in the ring lying in the range 2.times.10.sup.-2 and 5.times.10.sup.-2, the inside radius r.sub.i of the ring lying in the range 0.5 .mu.m to 1.5 .mu.m, and the outside radius r.sub.e of the ring lying in the range 2 .mu.m to 3.5 .mu.m.
摘要翻译： 用于频率转换的光纤具有环形折射率分布结构，用于获得光纤的谐振传播模式之间的零阶相位匹配和最佳重叠，一个传播波w，另一个传播波kw，其中2 = k 4 对于在0.4μm至2.6μm范围内的至少一个波长，环中的指数级Δn在2×10 -2和5×10 -2的范围内，环的内半径ri在0.5的范围内 亩至1.5亩，环的外径半径为2〜3.5亩。
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10.发明授权Method and apparatus for remotely measuring the distribution of a physico-chemical parameter in a medium 失效用于远程测量介质中物理化学参数分布的方法和装置
公开(公告)号：US4763009A
公开(公告)日：1988-08-09
申请号：US008896
申请日：1987-01-30
申请人： Herve Fevrier , Jean Robieux , Andre Tardy
发明人： Herve Fevrier , Jean Robieux , Andre Tardy
CPC分类号： G01N21/643 , G01D5/268 , G01K11/3213 , G01N2021/6484 , G01N2021/7786 , G01N21/6408
摘要： The invention relates to a method and to apparatus for remotely measuring the distribution of a physico-chemical parameter in a medium. The method consists in exciting measurement points (20) situated in a medium (17) in succession via an optical fiber (18), with each point (20) being excited by two light pulses of different wavelengths offset from each other in time occurring simultaneously at said point, each measurement point returning radiation at a third wavelength representative of the temperature of the measurement point. The apparatus includes two lasers (3, 4) emitting different wavelengths, a delay circuit (5) for delaying the light pulse from one (4) of the two lasers, and the measurement points include a material sensitive to biphotonic excitation.
摘要翻译： 本发明涉及用于远程测量介质中物理化学参数分布的方法和装置。 该方法包括通过光纤（18）连续地位于介质（17）中的令人兴奋的测量点（20），每个点（20）被同时发生的时间彼此偏移的不同波长的两个光脉冲激发 在所述点处，每个测量点返回表示测量点温度的第三波长的辐射。 该装置包括发射不同波长的两个激光器（3,4），用于延迟来自两个激光器中的一个（4）的光脉冲的延迟电路（5），并且测量点包括对双光子激发敏感的材料。
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