公开(公告)号：US5236481A

公开(公告)日：1993-08-17

申请号：US839915

申请日：1992-02-21

Applicant: George E. Berkey

Inventor： George E. Berkey

IPC: C03B37/014

CPC classification number: C03B37/01446 ,  C03B2201/30 ,  C03B2201/32 ,  C03B2201/34 ,  C03B2201/36 ,  C03B2201/40 ,  C03B2201/54

Abstract: Disclosed is a method of forming a doped glass article. Heated glass particles are deposited on a mandrel where they adhere together to form a porous glass preform having interconnective pores. The mandrel is removed to form a tubular preform having an axial aperture. The preform is suspended in a consolidation furnace by a gas conducting handle having a dopant containing chamber. As the handle and preform are heated, there is flowed through the chamber a gas that reacts with the heated dopant to form a reactant gas that flows into the aperture and into pores, whereby a dopant is incorporated into the porous glass preform. The doped preform is heat treated to consolidate it into an elongated non-porous glass body containing the dopant. The glass body can be provided with cladding glass and drawn into an optical fiber.

公开(公告)号：US4826288A

公开(公告)日：1989-05-02

申请号：US036505

申请日：1987-04-09

Applicant: Robert J. Mansfield ,  Bill C. McCollum ,  Richard P. Tumminelli

Inventor： Robert J. Mansfield ,  Bill C. McCollum ,  Richard P. Tumminelli

IPC: G02B6/00 ,  C03B37/018 ,  C03C1/00 ,  C03C13/04 ,  G02B6/16

CPC classification number: C03C1/00 ,  C03B37/01807 ,  C03C13/045 ,  C03B2201/34 ,  C03B2201/36 ,  C03B2207/81 ,  C03B2207/90 ,  Y10S359/90

Abstract: A chemical vapor deposition method which utilizes a rare earth chelate vapor as a source of rare earth ions for producing an optical fiber having a core with a high rare earth content.

公开(公告)号：US3759685A

公开(公告)日：1973-09-18

申请号：US3759685D

申请日：1972-09-15

Applicant: AMERICAN OPTICAL CORP

Inventor： MARINO A ,  ASK C

IPC: C03B23/207 ,  C03B37/012 ,  H01S3/16 ,  C03B23/20

CPC classification number: H01S3/16 ,  C03B23/207 ,  C03B37/01211 ,  C03B2201/30 ,  C03B2201/36 ,  C03B2201/50 ,  C03B2201/54 ,  C03B2203/04 ,  C03B2203/12 ,  C03B2203/32

Abstract: A side of a polygonal cross-sectioned glass laser rod core may be clad by applying a slab of a suitable cladding glass material thereto. The fusing of the slab to the core without the formation of entrapped gas bubbles therebetween is accomplished by allowing the slab to rest in essentially line contact with the side of the core at the end adjacent a suitable drawing furnace. The other end of the slab is spaced away from the core material. Means is provided for urging the slab of cladding material toward the side of the encore such that as the core and cladding material are drawn within the drawing furnace, the line of contact between the core and cladding gradually traverses the length of the core and cladding thereby forcing any gas out of the space which exists between the core and cladding to provide a bubble-free interface in the resulting clad glass laser rod.

公开(公告)号：US09162917B2

公开(公告)日：2015-10-20

申请号：US13410976

申请日：2012-03-02

Applicant: Ekaterina Burov ,  Alain Pastouret ,  Louis-Anne de Montmorillon ,  Aurelien Bergonzo

Inventor： Ekaterina Burov ,  Alain Pastouret ,  Louis-Anne de Montmorillon ,  Aurelien Bergonzo

IPC: H01S3/00 ,  C03B37/018 ,  C03B37/012 ,  G02B6/036 ,  H01S3/067 ,  H01S3/16

CPC classification number: C03B37/01838 ,  C03B37/01211 ,  C03B37/01823 ,  C03B37/01861 ,  C03B37/01869 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/36 ,  C03B2203/23 ,  G02B6/0365 ,  H01S3/06733 ,  H01S3/1603 ,  H01S3/1691 ,  H01S3/1693 ,  H01S3/1695

Abstract: An amplifying optical fiber includes an inner core, an inner cladding, a depressed trench, and an outer cladding (e.g., an outer optical cladding). Typically, the inner core includes a main matrix (e.g., silica-based) doped with at least one rare earth element. The depressed trench typically has a volume integral V13 of between about −2200×10−3 μm2 and −1600×10−3 μm2. Exemplary embodiments of the amplifying optical fiber are suitable for use in a compact configuration and high power applications.

Abstract translation: 放大光纤包括内芯，内包层，凹陷沟槽和外包层（例如，外光学包层）。 通常，内芯包括掺杂有至少一种稀土元素的主基体（例如，二氧化硅基）。 凹槽通常具有在-2200×10-3μm2和-1600×10-3μm2之间的体积积分V13。 放大光纤的示例性实施例适用于紧凑配置和高功率应用。

公开(公告)号：US08879879B2

公开(公告)日：2014-11-04

申请号：US13320440

申请日：2010-06-09

Applicant: Wolfgang Hämmerle ,  Lothar Brehm ,  Matthias Auth ,  Elke Poppotz

Inventor： Wolfgang Hämmerle ,  Lothar Brehm ,  Matthias Auth ,  Elke Poppotz

IPC: G02B6/02 ,  C03B37/018 ,  G02B6/036 ,  H01S3/067

CPC classification number: C03B37/01861 ,  C03B37/01838 ,  C03B37/01869 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/36 ,  C03B2201/40 ,  G02B6/03633 ,  G02B6/03638 ,  G02B6/03694 ,  H01S3/06708

Abstract: The invention relates to an optical fiber, in particular a laser fiber, containing a doped glass fiber core (1) and cladding (2) around the latter with a refraction index profile which decreases outwards from the fiber core. The optical fiber is distinguished by at least one intermediate layer (3, 4, 5) being disposed between the glass fiber core and the cladding to reduce the mechanical tension therebetween. In one advantageous embodiment, the intermediate layer is doped in such a way as to ensure a stepped mechanical tension distribution between the glass fiber core and the cladding, and is co-doped in such a way as to reduce the refractive index and counteract the refraction index-increasing effect of the intermediate layer doping. The invention further relates to an application of at least one doped barrier layer to a core region during preparation of the preform to avoid diffusion of special core dopants from the core during the collapse process, and to allow the diffusion of special dopants between the barrier layer and the core layer.

Abstract translation: 本发明涉及一种光纤，特别是激光光纤，其中包含掺杂的玻璃纤维芯（1）和包层（2），后者具有从光纤芯向外减小的折射率分布。 光纤的特征在于至少一个中间层（3,4,5）设置在玻璃纤维芯和包层之间以减小它们之间的机械张力。 在一个有利的实施例中，中间层以这样的方式被掺杂，以确保玻璃纤维芯和包层之间的阶梯式机械张力分布，并且以减少折射率并抵消折射的方式共掺杂 指数增加效应的中间层掺杂。 本发明还涉及在制备预制棒期间将至少一个掺杂的阻挡层应用于核心区域，以避免在塌陷过程中特殊的核掺杂剂从核心扩散，并且允许特殊掺杂剂在阻挡层 和核心层。

公开(公告)号：US08755660B1

公开(公告)日：2014-06-17

申请号：US13013765

申请日：2011-01-25

Applicant: John D. Minelly

Inventor： John D. Minelly

IPC: G02B6/02 ,  H04B10/17

CPC classification number: G02B6/4478 ,  C03B37/0122 ,  C03B37/01222 ,  C03B2201/08 ,  C03B2201/31 ,  C03B2201/32 ,  C03B2201/36 ,  C03B2203/12 ,  C03B2203/18 ,  C03B2203/22 ,  C03B2203/42 ,  G02B6/02042 ,  G02B6/02295 ,  G02B6/02333 ,  G02B6/02371 ,  G02B6/028 ,  G02B6/0283 ,  G02B6/036 ,  G02B6/449 ,  H01S3/06704 ,  H01S3/06716 ,  H01S3/06737 ,  H01S3/06741 ,  H01S3/06758 ,  H01S3/1067 ,  H01S3/1618 ,  H01S2301/02 ,  H01S2301/04

Abstract: An apparatus and method for compensating for mode-profile distortions caused by bending optical fibers having large mode areas. In various embodiments, the invention micro-structures the index of refraction in the core and surrounding areas of the inner cladding from the inner bend radius to the outer bend radius in a manner that compensates for the index changes that are otherwise induced in the index profile by the geometry and/or stresses to the fiber caused by the bending. Some embodiments of an apparatus and method include a fiber having a plurality of substantially parallel cores, the fiber including a straight section and a curved section; guiding signal light primarily in a second core in the straight section; guiding the signal light from the second core into a first core between the straight section and the curved section; and guiding the signal light primarily in the first core in the curved section.

Abstract translation: 一种用于补偿由具有大模式区域的弯曲光纤引起的模式轮廓畸变的装置和方法。 在各种实施例中，本发明将内包层的芯和周围区域的折射率从内弯曲半径微结构化到补偿在折射率分布中否则引起的折射率变化的方式 通过由弯曲引起的对纤维的几何形状和/或应力。 装置和方法的一些实施例包括具有多个基本平行的芯的光纤，所述光纤包括直线部分和弯曲部分; 引导信号光主要在直线部分的第二芯中; 将来自第二芯的信号光引导到直线部分和弯曲部分之间的第一芯部; 并且在弯曲部分中主要在第一芯中引导信号光。

公开(公告)号：US08620126B2

公开(公告)日：2013-12-31

申请号：US12531373

申请日：2008-03-17

Applicant: Markku Rajala ,  Mircea Hotoleanu ,  Per Stenius ,  Harri Valkonen ,  Simo Tammela ,  Pauli Kiiveri

Inventor： Markku Rajala ,  Mircea Hotoleanu ,  Per Stenius ,  Harri Valkonen ,  Simo Tammela ,  Pauli Kiiveri

IPC: G02B6/02

CPC classification number: G02B6/03627 ,  C03B37/01211 ,  C03B37/0142 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/36 ,  C03B2207/06 ,  C03B2207/14 ,  C03B2207/34 ,  G02B6/02019 ,  Y02P40/57

Abstract: An optical waveguide including a core, a buffer surrounding the core, and a cladding surrounding the buffer. The core, the buffer and the cladding include silica glass. A refractive index of the buffer is substantially equal to a refractive index of pure amorphous silica glass. The buffer may reduce bubble formation during manufacturing and may facilitate splicing of the waveguide. A numerical aperture of the waveguide may be fine-tuned by adjusting a radial dimension of the buffer in order to compensate variations in the refractive index of the core.

Abstract translation: 包括芯，包围芯的缓冲器和围绕缓冲器的包层的光波导。 芯，缓冲层和包层包括二氧化硅玻璃。 缓冲液的折射率基本上等于纯无定形二氧化硅玻璃的折射率。 缓冲器可以减少制造期间的气泡形成并且可以有助于波导的拼接。 波导的数值孔径可以通过调节缓冲器的径向尺寸来调节，以补偿芯的折射率的变化。

公开(公告)号：US08557171B2

公开(公告)日：2013-10-15

申请号：US12679006

申请日：2008-09-18

Applicant: Andreas Langner ,  Thomas Kayser ,  Gerhard Schoetz ,  Mario Such ,  Johannes Kirchhof ,  Stephan Grimm ,  Volker Reichel

Inventor： Andreas Langner ,  Thomas Kayser ,  Gerhard Schoetz ,  Mario Such ,  Johannes Kirchhof ,  Stephan Grimm ,  Volker Reichel

IPC: C04B35/14

CPC classification number: C03B37/01282 ,  C03B19/06 ,  C03B19/063 ,  C03B19/066 ,  C03B19/1065 ,  C03B19/1095 ,  C03B20/00 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/30 ,  C03B2201/34 ,  C03B2201/36 ,  C03B2201/40 ,  C03B2201/54 ,  C03C1/026 ,  C03C3/06 ,  C03C4/0071 ,  C03C4/10 ,  C03C13/045 ,  C03C14/008 ,  C03C23/0075 ,  C03C25/106 ,  C03C2201/12 ,  C03C2201/36 ,  C03C2203/20 ,  C03C2203/34

Abstract: The invention relates to a method allowing cost-effective production of doped quartz glass, particularly laser-active quartz glass, that is improved with regard to the homogeneity of the doping material distribution, in that a suspension is provided comprising SiO2 particles and an initial compound for at least one doping material in an aqueous fluid, the fluid being removed under formation of a doped intermediate product comprising particles of the doping material or particles of the precursor substance or the doping material, and the doped quartz glass is formed by sintering the doped intermediate product, wherein at least part of the particles of the doping material or the particles of the precursor substance of the same is generated in the suspension as a precipitate of a pH-value-controlled precipitation reaction of the initial compound.

Abstract translation: 本发明涉及一种允许成本有效地生产掺杂石英玻璃，特别是激光 - 活性石英玻璃的方法，其在掺杂材料分布的均匀性方面得到改进，因为提供了包含SiO 2颗粒和初始化合物 对于在水性流体中的至少一种掺杂材料，在形成包含掺杂材料的颗粒或前体物质的颗粒或掺杂材料的掺杂中间产物的情况下除去流体，掺杂的石英玻璃通过烧结掺杂的 中间产物，其中至少部分掺杂材料的颗粒或其前体物质的颗粒在悬浮液中作为初始化合物的pH值控制的沉淀反应的沉淀物产生。

公开(公告)号：US08467123B2

公开(公告)日：2013-06-18

申请号：US12633229

申请日：2009-12-08

Applicant: Elise Regnier ,  Alain Pastouret ,  Ekaterina Burov

Inventor： Elise Regnier ,  Alain Pastouret ,  Ekaterina Burov

IPC: G02B6/02 ,  C03C3/095 ,  C03C14/00 ,  C03B37/012 ,  C03B37/016 ,  G01S3/16 ,  H01S3/16 ,  C03C13/04

CPC classification number: H01S3/169 ,  B82Y20/00 ,  C03B37/01202 ,  C03B37/01433 ,  C03B37/016 ,  C03B37/01838 ,  C03B2201/12 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/36 ,  C03C3/095 ,  C03C13/045 ,  C03C13/046 ,  C03C14/004 ,  G02B6/0229 ,  H01S3/06716 ,  H01S3/1608 ,  H01S3/1616 ,  H01S3/1618 ,  H01S3/1655 ,  H01S3/1691 ,  H01S3/1695 ,  H01S3/176 ,  Y10S977/951

Abstract: Disclosed is an optical fiber that includes a central core that is suitable for transmitting and amplifying an optical signal and an inner optical cladding that is suitable for confining the optical signal transmitted within the central core. The central core is formed from a core matrix that contains silica-based nanoparticles doped with at least one rare earth element.The disclosed optical fiber can be used with limited optical losses even in an environment with strong ionizing radiation.

Abstract translation: 公开了一种光纤，其包括适于发送和放大光信号的中心纤芯和适于限制在中心纤芯内传输的光信号的内光纤包层。 中心芯由包含掺杂有至少一种稀土元素的二氧化硅基纳米颗粒的芯基体形成。 所公开的光纤即使在具有强电离辐射的环境中也可以用于有限的光学损耗。

公开(公告)号：US08055115B2

公开(公告)日：2011-11-08

申请号：US11773869

申请日：2007-07-05

Applicant: Bertrand Morasse ,  Jean-Philippe De Sandro ,  Eric Gagnon

Inventor： Bertrand Morasse ,  Jean-Philippe De Sandro ,  Eric Gagnon

IPC: G02B6/00

CPC classification number: C03C13/046 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/36 ,  C03B2201/40 ,  C03B2201/42 ,  C03B2203/30 ,  C03B2203/42 ,  C03C3/097 ,  C03C4/065 ,  Y10T428/2913 ,  Y10T428/2933

Abstract: An optically active glass and an optical fiber comprising such glass, having reduced photodarkening properties are provided. The optically active glass is mainly composed of silica representing from about 50 to 98 mol % of the glass. It also includes at least one active ion, such as a rear-earth ion, which induces a photodarkening effect in optical properties of the glass. Moreover, the glass includes an effective amount of phosphorus oxide providing the photodarkening reducing effect, preferably in an amount of from about 1 to 30 mol %. A method for reducing a photodarkening effect in optical properties of an optically active glass including the step of introducing phosphorus oxide to the glass is also provided.

Abstract translation: 提供了具有降低的光暗化性能的光学活性玻璃和包含这种玻璃的光纤。 光学活性玻璃主要由表示玻璃的约50至98摩尔％的二氧化硅构成。 它还包括至少一种活性离子，例如后土离子，其引起玻璃的光学性质的光暗化效果。 此外，玻璃包括提供光暗化还原效果的有效量的氧化磷，优选为约1至30mol％的量。 还提供了一种用于降低光学活性玻璃的光学性能的光暗化效果的方法，包括将氧化磷引入玻璃的步骤。