公开(公告)号：US20030086668A1

公开(公告)日：2003-05-08

申请号：US10011553

申请日：2001-11-06

发明人： Dahv A. V. Kliner ,  Jeffery P. Koplow

IPC分类号： G02B006/16 ,  G02B006/27 ,  H01S003/067

CPC分类号： G02B6/024 ,  H01S3/06712 ,  H01S3/06729 ,  H01S3/06754

摘要： Optically pumped rare-earth-doped polarizing fibers exhibit significantly higher gain for one linear polarization state than for the orthogonal state. Such a fiber can be used to construct a single-polarization fiber laser, amplifier, or amplified-spontaneous-emission (ASE) source without the need for additional optical components to obtain stable, linearly polarized operation.

摘要翻译： 光学泵浦稀土掺杂的偏振光纤在一个线性极化状态下显示出比正交状态显着更高的增益。 这种光纤可用于构造单偏振光纤激光器，放大器或放大自发发射（ASE）源，而不需要额外的光学部件来获得稳定的线性极化操作。

公开(公告)号：US20030021529A1

公开(公告)日：2003-01-30

申请号：US09910807

申请日：2001-07-24

发明人： Jeff Koplow

IPC分类号： G02B006/26 ,  H01S003/091 ,  H01S003/067 ,  G02B006/22

CPC分类号： G02B6/4214 ,  G02B6/2852 ,  H01S3/06708 ,  H01S3/094007 ,  H01S3/094019

摘要： An optical fiber includes a core doped with a preselected gain material, an inner cladding disposed about the core, an outer cladding, disposed about the inner cladding, that has a section removed to expose a portion of the inner cladding, a notch disposed in the exposed portion of the inner cladding, and a mirror disposed within the notch that includes a high reflectivity surface oriented so as to reflect light launched into the mirror from an outside source into the fiber. The mirror, e.g. a right-angle trihedron, has a high reflectivity (HR) coating on one face, is inserted into the notch, and affixed thereto with an adhesive such as an optical cement. Pump light, e.g. from a laser diode, is launched through a face of the mirror that is antireflection (AR) coated or sufficiently transparent to the light frequency, and after reflecting off the HR face exits through a third face and into the fiber. The pump light source can typically be positioned in close proximity to the AR face of the mirror since there are no intervening optics or other hardware required in a typical system design.

摘要翻译： 光纤包括掺杂有预选增益材料的芯，围绕芯设置的内包层，围绕内包层设置的外包层，其具有被去除以暴露内包层的一部分的部分， 内部包层的暴露部分和设置在凹口内的反射镜，其包括高反射率表面，其被定向成将从外部光源发射到反射镜中的光反射到光纤中。 镜子，例如 直角三面体在一个表面上具有高反射率（HR）涂层，插入凹口中，并用诸如光学粘合剂的粘合剂固定在其上。 泵浦光，例如 来自激光二极管的反射镜通过反射镜的表面发射，其是对光频率的涂覆或足够透明的抗反射（AR），并且在反射出HR面后，通过第三面退出到光纤中。 通常，泵浦光源可以定位在反射镜的AR面附近，因为在典型的系统设计中不需要中间光学元件或其他硬件。

公开(公告)号：US20020037134A1

公开(公告)日：2002-03-28

申请号：US09961340

申请日：2001-09-25

申请人： KABUSHIKI KAISHA TOSHIBA

发明人： Naoki Akamatsu ,  Kiyoyuki Kawai ,  Masanobu Kimura ,  Kazuyoshi Fuse ,  Tooru Sugiyama ,  Ko Sato

IPC分类号： G02B006/26 ,  G02B006/22 ,  H01S003/091 ,  H01S003/067

CPC分类号： G02B6/12007 ,  G02B6/122 ,  G02B6/42 ,  H01S3/067 ,  H01S3/0675 ,  H01S3/094007 ,  H01S3/0941

摘要： An optical fiber, having a fiber cladding and a fiber core doped with laser active material, is embedded in an optical waveguide core having a refractive index almost equal to that of the optical fiber cladding, and pumping light is guided, in a side pumping manner, from the semiconductor laser via the light-guiding section. The guided pumping light is absorbed by the laser active material, as it propagates and moves around in the optical waveguide core in a fixed direction. Because the optical waveguide core is ring-shaped and enclosed by the optical waveguide cladding having a low refractive index, the rest of the guided pumping light propagates and moves around in the optical waveguide core again. Therefore, a laser active material in the optical fiber core can be pumped efficiently.

摘要翻译： 具有光纤包层和掺杂有激光活性材料的光纤芯的光纤被嵌入到折射率几乎等于光纤包层折射率的光波导芯中，泵浦光以侧向抽吸方式被引导 ，从半导体激光器经由导光部。 引导泵浦光被激光活性材料吸收，因为它在固定方向上传播并在光波导芯中移动。 由于光波导芯是环形的，并被具有低折射率的光波导包层围绕，所以其余的引导泵浦光再次在光波导芯中传播和移动。 因此，可以有效地泵浦光纤芯中的激光活性物质。

公开(公告)号：US20040213300A1

公开(公告)日：2004-10-28

申请号：US10148681

申请日：2002-06-26

发明人： Gary Cook

IPC分类号： H01S003/30 ,  H01S003/067 ,  G02B006/02

CPC分类号： G02F1/39 ,  H01S3/06716 ,  H01S3/08086 ,  H01S3/30 ,  H01S3/302

摘要： A glass fiber (22) has a core (24) provided with Raman laser effect particles (28) embedded in a glass matrix (30), with glass cladding (26) around the core. The refractive index of the glass matrix (30) is matched to that of the Raman laser effect particles (28) so as to avoid scattering. It is not necessary to have a single crystal of Raman laser material to create a laser effect in the glass fiber. A length of fiber in the order of meters or tens of meters can produce optical laser light. It is possible to have a single fiber (22) emit laser light at different frequencies due to Stokes and Anti-Stokes emissions. A simple laser device can therefore produce several colors of laser beams.

摘要翻译： 玻璃纤维（22）具有芯部（24），该芯部（24）设置有嵌入玻璃基体（30）中的拉曼激光效应粒子（28），并且具有围绕芯部的玻璃包层（26）。 玻璃基体（30）的折射率与拉曼激光效应颗粒（28）的折射率相匹配，以避免散射。 不需要单晶拉曼激光材料在玻璃纤维中产生激光效果。 长度为几米或几十米的纤维可以产生光学激光。 由于斯托克斯和斯托克斯（Stokes）和斯托克斯（Stokes）排放，可以使单个光纤（22）发射不同频率的激光。 因此，简单的激光装置可以产生几种颜色的激光束。

公开(公告)号：US20020106171A1

公开(公告)日：2002-08-08

申请号：US09779636

申请日：2001-02-09

发明人： Duck Young Kim ,  Nak Hyoun Sung

IPC分类号： G02B006/26 ,  H01S003/067

CPC分类号： H01S3/06791 ,  H01S3/082 ,  H01S3/1112

摘要： The present invention relates to a figure-8 optical fiber pulse laser using a dispersion imbalanced nonlinear optical loop mirror (DI-NOLM). The conventional figure-8 optical fiber pulse laser uses a nonlinear optical fiber mirror having an EDF as a gain material. The conventional laser has an advantage for the simple structure, and it can be easily constructed. However, it can not produce the stable optical pulse trains. The figure-8 optical fiber pulse laser according to the present invention produces stable femto-second optical pulses using DI-NOLM. The optical amplifier is not included in DI-NOLM, instead, it is located at the unidirectional linear loop part. And the noise due to the bidirectional gain difference of the optical amplifier is reduced. Two optical fibers of different dispersion values are used at DI-NOLM. Therefore, the present invention provides a figure-8 optical fiber pulse laser using DI-NOLM improving the switching characteristic. Especially, the stable femto-second laser according to the present invention is applicable for the many applications such as high-speed reaction measurements, laser treatments, and medical lasers.

摘要翻译： 本发明涉及使用色散不平衡非线性光学环路镜（DI-NOLM）的图8的光纤脉冲激光器。 传统的图8光纤脉冲激光器使用具有EDF作为增益材料的非线性光纤反射镜。 常规激光器具有简单结构的优点，并且可以容易地构造。 但是，它不能产生稳定的光脉冲串。 根据本发明的图8的光纤脉冲激光器使用DI-NOLM产生稳定的毫微微秒级光脉冲。 光放大器不包括在DI-NOLM中，而是位于单向线性环路部分。 并且由于光放大器的双向增益差引起的噪声减小。 DI-NOLM使用两种不同色散值的光纤。 因此，本发明提供了使用DI-NOLM的图8的光纤脉冲激光器，其提高了开关特性。 特别地，根据本发明的稳定的毫微微秒级激光器适用于诸如高速反应测量，激光治疗和医用激光器的许多应用。

公开(公告)号：US20020071454A1

公开(公告)日：2002-06-13

申请号：US09969124

申请日：2001-09-24

发明人： Hong Lin

IPC分类号： H01S003/067 ,  H01S003/083 ,  H01S003/098

CPC分类号： H01S3/1109 ,  H01S3/06791 ,  H01S3/107 ,  H01S3/137

摘要： Mode-locked fiber lasers with an active feedback control of the frequency chirp and a mechanism for adjusting the dispersion of the output pulses.

摘要翻译： 具有频率啁啾的主动反馈控制的锁模光纤激光器和用于调节输出脉冲的色散的机构。

公开(公告)号：US20030030892A1

公开(公告)日：2003-02-13

申请号：US10261619

申请日：2002-10-02

发明人： Michael Dennis ,  Brian Cole

IPC分类号： H01S003/067 ,  G02B006/26

CPC分类号： H01S3/06716 ,  C03C3/06 ,  C03C3/095 ,  C03C13/046 ,  C03C2201/30 ,  C03C2201/3411 ,  C03C2201/347 ,  C03C2201/3482 ,  C03C2201/40 ,  H01S3/06754 ,  H01S3/06775 ,  H01S3/1603 ,  H01S3/161 ,  H01S3/1616 ,  H01S3/1698 ,  H01S3/17

摘要： A device amplifies light at wavelengths in the vicinity of 1420-1530 nm, using thulium doped silica-based optical fiber. This wavelength band is of interest as it falls in the low-loss optical fiber telecommunications window, and is somewhat shorter in wavelength than the currently standard erbium doped silica fiber amplifier. The device thus extends the band of wavelengths which can be supported for long-distance telecommunications. The additional wavelength band allows the data transmission rate to be substantially increased via wavelength division multiplexing (WDM), with minimal modification to the standard equipment currently used for WDM systems. The host glass is directly compatible with standard silica-based telecommunications fiber. The invention also enables modified silicate based amplifiers and lasers on a variety of alternative transitions. Specifically, an S-band thulium doped fiber amplifier (TDFA) using a true silicate fiber host is described.

摘要翻译： 器件利用ium掺杂的二氧化硅基光纤放大1420-1530nm附近波长的光。 该波长带在低损耗光纤通信窗口中是有意义的，并且其波长比当前标准的掺铒二氧化硅光纤放大器稍短。 因此，该装置延长了可被长距离通信支持的波长带。 附加波长带允许通过波分复用（WDM）大幅增加数据传输速率，对目前用于WDM系统的标准设备进行最小修改。 主机玻璃与标准的二氧化硅电信光纤直接兼容。 本发明还使得能够在各种替代转变上改性硅酸盐基放大器和激光器。 具体来说，描述了使用真硅酸盐纤维主体的S波段ium掺杂光纤放大器（TDFA）。

公开(公告)号：US20020172481A1

公开(公告)日：2002-11-21

申请号：US10103878

申请日：2002-03-25

申请人： Sony Corporation

发明人： Shigeo Kubota ,  Hisashi Masuda

IPC分类号： G02B006/16 ,  G02B006/22 ,  H01S003/067

CPC分类号： H04N9/3129 ,  C03C13/04 ,  G02B6/02 ,  H01S3/06716 ,  H01S3/06729 ,  H01S3/094003 ,  H01S3/094007 ,  H01S3/094096 ,  H01S3/1611 ,  H01S3/1613 ,  H01S3/1615

摘要： Disclosed herein is an optical fiber including a core doped with first metal ions; and a cladding formed so as to surround the core and doped with second metal ions selected so that the absorption coefficient in a transition wavelength band of first transition of the first metal ions is greater than the absorption coefficient in a transition wavelength band of second transition of the first metal ions. The amplification of light due to the first transition is suppressed, and at least the amplification or oscillation of light due to the second transition is effected. Also disclosed are an optical amplification/oscillation device, a laser light generating device, and a laser display unit, and a color laser display unit each employing the optical fiber.

摘要翻译： 本文公开了一种包括掺杂有第一金属离子的芯的光纤; 以及包层，其形成为围绕所述芯并掺杂选择的第二金属离子，使得所述第一金属离子的第一跃迁的跃迁波长带中的吸收系数大于所述第一跃迁的第二跃迁的过渡波长带中的吸收系数 第一金属离子。 抑制由于第一转变引起的光的放大，并且至少实现由于第二转变引起的光的放大或振荡。 还公开了光放大/振荡装置，激光发生装置和激光显示单元以及各自采用该光纤的彩色激光显示单元。

公开(公告)号：US20020041724A1

公开(公告)日：2002-04-11

申请号：US09950252

申请日：2001-09-07

发明人： Erlend Ronnekleiv ,  Arne Berg ,  Jon Thomas Kringlebotn ,  Reinold Ellingsen ,  Dag Roar Hjeime

IPC分类号： G02B006/26 ,  G02B006/34 ,  G02B006/16 ,  H01S003/067 ,  A61B018/22

CPC分类号： G01N21/45 ,  A61B5/01 ,  A61B5/02154 ,  A61B5/036 ,  A61B2562/0266 ,  G01N21/774 ,  G01N2021/7723 ,  G02B6/022 ,  G02B6/241

摘要： A body compatible fiber optic sensor probe for invasive medical use is provided. The probe includes at least one sensing location at which the fiber is configured to provide at least one detectable changeable optical property responsive to strain within the fiber, and at least one sensing element which undergoes a volumetric change in response to an in body parameter to be sensed. The sensing element is coupled to the fiber in such a way that the volumetric change induces strain within the fiber so as to vary the detectable optical property or properties.

摘要翻译： 提供了一种用于侵入性医疗用途的身体兼容的光纤传感器探头。 探针包括至少一个感测位置，在该感测位置处，纤维被配置成提供响应于光纤内的应变的至少一个可检测的可变化的光学特性，以及至少一个感测元件，其响应于体内参数经历体积变化 感觉到。 感测元件以这样的方式耦合到纤维，使得体积变化引起纤维内的应变，以便改变可检测的光学性质或性质。

公开(公告)号：US20010017728A1

公开(公告)日：2001-08-30

申请号：US09789459

申请日：2001-02-20

发明人： Tomoharu Kitabayashi ,  Tetsuya Sakai ,  Takafumi Kashima

IPC分类号： H01S003/067

CPC分类号： H01S3/06754 ,  H01S2301/04

摘要： An optical fiber amplifier comprises an optical fiber for light loss which is provided in a later stage than an optical fiber amplification section or midway therein, the amount of light absorption and the wavelength dependency of the absorption of the optical fiber changing according to the power of input light; whereby the optical fiber amplifier can maintain flat gain in a wide wavelength band, the gain flatness not changing over a wide dynamic range and being maintained irrespective of variation in the power of input signal light.

摘要翻译： 一种光纤放大器，包括光纤损耗光纤，其比后述的光纤放大部分或其中途设置的光纤的光吸收量和光纤的吸收的波长依赖性根据 输入光; 由此光纤放大器可以在宽的波长带内保持平坦的增益，增益平坦度不会在宽的动态范围内变化，并且与输入信号光的功率的变化无关地被维持。