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    A PROCESS OF MAKING RARE EARTH DOPED OPTICAL FIBRE
    131.
    发明申请
    A PROCESS OF MAKING RARE EARTH DOPED OPTICAL FIBRE 审中-公开
    制造稀土光学光纤的工艺

    公开(公告)号：WO2003033423A1

    公开(公告)日：2003-04-24

    申请号：PCT/IN2001/000184

    申请日：2001-10-18

    Applicant: COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH ,  BAR-ILAN UNIVERSITY ,  SEN, Ranjan ,  CHATTERJEE, Miss, Minati ,  NASKAR, Milan, Kanti ,  PAL, Mrinmay ,  PAUL, Mukul, Chandra ,  BHADRA, Shyamal, Kumar ,  DASGUPTA, Kamal ,  GANGULI, Dibyendu ,  BANDYOPADHYAY, Tarun ,  GEDANKEN, Aharon

    Inventor： SEN, Ranjan ,  CHATTERJEE, Miss, Minati ,  NASKAR, Milan, Kanti ,  PAL, Mrinmay ,  PAUL, Mukul, Chandra ,  BHADRA, Shyamal, Kumar ,  DASGUPTA, Kamal ,  GANGULI, Dibyendu ,  BANDYOPADHYAY, Tarun ,  GEDANKEN, Aharon

    IPC: C03B37/018

    CPC classification number: C03B37/01838 ,  C03B37/016 ,  C03B2201/02 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2201/36 ,  C03C1/02 ,  C03C1/026 ,  Y02P40/57

    Abstract: The present invention discloses a process for making rare earth (RE) doped optical fibre by using RE oxide coated silica nanoparticles as the precursor materia, more particularly the method of the present invention involves preparation of stable dispersions (sol) of RE oxide coated silica nanoparticles at ambient temperature and applying a thin coating on the inner surface of silica glass tube following dip coating technique or any other conventional methods, of the said silica sol containing suitable dopants selected from Ge, Al, P, etc., the coated tubes were further processed into optical preforms by following MCVD technique and fiberised in desired configuration, the novelty lies in eliminating the step of the formation of porous soot layer at high temperature by CVD process inside a fused silica glass tube for formation of the core and also in the elimination of the incorporation of the rare earth ions into the porous soot layer following the solution doping technique or other conventional methods, the direct addition of RE oxides in the sol eliminates the formation of microcrystalites and clusters of rare earth ions and prevents change in composition including variation of RE concentration in the core which results in increase in the reproducibility and reliability of the process to a great extent, further the addition of Ge(OET)4 at ambient temperature in the silica sol reduces the quantity of GeCl4 which is required at high temperature to achieve the desired Numerical Aperture.

    Abstract translation: 本发明公开了一种通过使用RE氧化物涂覆的二氧化硅纳米颗粒作为前体材料制备稀土（RE）掺杂光纤的方法，更具体地说，本发明的方法包括制备RE氧化物涂覆的二氧化硅纳米粒子的稳定分散体（sol） 在环境温度下，在浸渍涂布技术或任何其它常规方法之后，在石英玻璃管的内表面上施加薄涂层，所述硅溶胶含有选自Ge，Al，P等的合适的掺杂剂，所述涂覆的管进一步 通过遵循MCVD技术加工成光学预型件并在所需结构中纤维化，新颖性在于消除了在用于形成芯的熔融石英玻璃管内的CVD工艺在高温下形成多孔烟灰层的步骤，并且还在消除 根据溶液掺杂技术或其他配合将稀土离子掺入多孔烟灰层中 通常的方法中，在溶胶中直接添加RE氧化物消除了微晶体和稀土离子簇的形成，并且防止了组分中的变化，包括核心中RE浓度的变化，这导致过程的再现性和可靠性增加到 在很大程度上，进一步在硅溶胶中在环境温度下添加Ge（OET）4会降低在高温下所需的GeCl 4的量以达到所需的数值孔径。

    AN OPTICAL FIBRE
    133.
    发明申请
    AN OPTICAL FIBRE 审中-公开
    光纤

    公开(公告)号：WO02057820A1

    公开(公告)日：2002-07-25

    申请号：PCT/AU2002/000058

    申请日：2002-01-18

    IPC: C03B37/018 ,  G02B6/02 ,  G02B6/028 ,  G02B6/036 ,  G02B6/26 ,  G02B6/18 ,  C03B37/012 ,  G02B3/08 ,  G02B6/22

    CPC classification number: G02B6/02052 ,  C03B37/01807 ,  C03B37/01815 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2203/22 ,  C03B2203/26 ,  G02B6/02 ,  G02B6/028 ,  G02B6/03611 ,  G02B6/03688 ,  G02B6/262

    Abstract: An optical fibre being optically transmissive at a predetermined wavelength of light lambda and comprising a plurality of coaxial layers. Each layer having an optical path length that varies radially, the coaxial layers being arranged to give the fibre a refractive index profile which, in use, causes sufficient Fresnel diffraction of the light such that it is guided in the fibre. The refractive index of a cladding region (60) is intermittently suppressed by controlling heating of the preform tube, thus forming a chirped saw-tooth profile (70). The optical fibre may include a lens. In this case, each of the layers has an optical path length that increases gradually outwardly by substantially n x lambda /2 (n: integer).

    Abstract translation: 光纤在光λ的预定波长处是光学透射的并且包括多个同轴层。 每个层具有径向变化的光程长度，同轴层布置成使光纤具有折射率分布，其在使用中引起光的足够的菲涅尔衍射，使得其在光纤中被引导。 通过控制预成型管的加热来间歇地抑制包层区域（60）的折射率，从而形成啁啾的锯齿形轮廓（70）。 光纤可以包括透镜。 在这种情况下，每个层具有通过基本上n×λ/ 2（n：整数）逐渐向外增加的光程长度。

    METHOD FOR MAKING NANOCRYSTALLINE GLASS-CERAMIC FIBERS
    134.
    发明申请
    METHOD FOR MAKING NANOCRYSTALLINE GLASS-CERAMIC FIBERS 审中-公开
    制造纳米晶体纤维素纤维的方法

    公开(公告)号：WO01031367A2

    公开(公告)日：2001-05-03

    申请号：PCT/US2000/028804

    申请日：2000-10-18

    IPC: G02B6/00 ,  C03B32/02 ,  C03B37/012 ,  C03B37/027 ,  C03B37/10 ,  C03C13/00 ,  C03C13/04 ,  C09K11/64 ,  C09K11/68 ,  G02B6/02 ,  G02B

    CPC classification number: G02B6/0229 ,  C03B32/02 ,  C03B37/01211 ,  C03B37/027 ,  C03B2201/10 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2201/34 ,  C03B2201/40 ,  C03B2203/22 ,  C03B2205/56 ,  C03B2205/72 ,  C03C13/006 ,  C03C13/045 ,  C03C13/046 ,  C09K11/646 ,  C09K11/685

    Abstract: A method for making a glass ceramic, optoelectronic material such as a clad optical fiber or other component for use in an optoelectronic device. The method comprises preparing a glass composition batch to yield a precursor glass for a nanocrystalline glass-ceramic that is doped with at least one kind of optically active ion, such as a transition metal or lanthanide element; melting the batch; forming a glass cane; surrounding the cane with a chemically inert cladding material shaped in the form of a tube; drawing a glass fiber from the combined precursor-glass "cane-in-tube" at a temperature slightly above the liquidus of the precursor glass composition, and heat treating at least a portion of the drawn clad glass fiber under conditions to develop nanocrystals within the core composition and thereby forming a glass ceramic.

    Abstract translation: 本发明涉及一种制造光电子玻璃陶瓷材料的方法，例如用于光电子器件的带护套的玻璃纤维或其他部件。 该方法包括制备一批玻璃组合物以制备掺杂有至少一种光学活性离子如过渡金属或镧系元素的纳米晶体玻璃陶瓷的前体玻璃; 熔化批次; 形成一个玻璃棒; 用化学惰性管状包覆材料包围棒; 绘制从/ =合并的前体玻璃的玻璃纤维，以比前体玻璃组合物和热的玻璃相处理至少该纤维的一部分的略微更高的温度下 在纳米晶体在芯的组成中发展并因此形成玻璃陶瓷的条件下拉伸护套玻璃。

    HIGH-POWER CLADDING-PUMPED BROADBAND FIBER SOURCE AND AMPLIFIER
    135.
    发明申请
    HIGH-POWER CLADDING-PUMPED BROADBAND FIBER SOURCE AND AMPLIFIER 审中-公开
    大功率嵌入式宽带光纤光源和放大器

    公开(公告)号：WO00030223A1

    公开(公告)日：2000-05-25

    申请号：PCT/US1999/026428

    申请日：1999-11-09

    IPC: H01S3/067 ,  H01S3/094 ,  H01S3/063 ,  G02B6/22 ,  H01S3/091

    CPC classification number: H01S3/06708 ,  C03B2201/28 ,  C03B2201/34 ,  C03B2201/36 ,  C03B2203/12 ,  G02B6/03633 ,  H01S3/06795 ,  H01S3/094003

    Abstract: A very high power fiber light source can be realized by using a high concentration of doping and by pumping the cladding of the doped fiber. The light that enters the cladding will then enter the core and amplified spontaneous emission will result. With this arrangement, higher power, a broader emission spectrum, and low radiation sensitivity can be achieved. These devices can also be configured as amplifiers.

    Abstract translation: 可以通过使用高浓度掺杂和泵浦掺杂光纤的包层来实现非常高功率的光纤光源。 进入包层的光然后将进入核心并且将产生放大的自发发射。 通过这种布置，可以实现更高的功率，更宽的发射光谱和低的辐射灵敏度。 这些设备也可以配置为放大器。

    Methods for making active laser fibers
    138.
    发明授权
    Methods for making active laser fibers 有权
    制作激光光纤的方法

    公开(公告)号：US09255026B2

    公开(公告)日：2016-02-09

    申请号：US13787084

    申请日：2013-03-06

    Applicant: j-fiber GmbH

    Inventor： Jurgen Rosenkranz ,  Wolfgang Haemmerle ,  Lothar Brehm ,  Katrin Roessner ,  Robert Hanf

    IPC: C03B37/027 ,  C03B37/012 ,  H01S3/094

    CPC classification number: C03B37/02763 ,  C03B37/01211 ,  C03B37/01217 ,  C03B37/0122 ,  C03B37/01222 ,  C03B2201/04 ,  C03B2201/10 ,  C03B2201/12 ,  C03B2201/28 ,  C03B2201/31 ,  C03B2203/02 ,  C03B2203/12 ,  C03B2203/14 ,  C03B2203/31 ,  C03B2203/34 ,  C03B2205/40 ,  H01S3/094007

    Abstract: Methods for making active laser fibers include the production of an optical fiber with disturbed (or deviated) cylindrical symmetry on the glass surface of the fiber. The methods include a preform containing a central core made of glass. In one embodiment, the preform is circular and surrounded by additional glass rods and an outer glass jacket tube. In a first alternative embodiment, this preform is merged during fiber drawing. In a second alternative embodiment, the preform merged in a process forming a compact glass body with disturbed cylindrical symmetry. This compact preform is drawn into a fiber under conditions maintaining the disturbed cylindrical symmetry.

    Abstract translation: 制造活性激光光纤的方法包括在纤维的玻璃表面上产生具有干扰（或偏离）圆柱对称的光纤。 该方法包括一个包含由玻璃制成的中心芯的预制件。 在一个实施例中，预成型件是圆形的并被另外的玻璃棒和外部玻璃护套管包围。 在第一替代实施例中，在纤维拉伸期间将该预制件合并。 在第二替代实施例中，预成型件在形成具有扰动的圆柱形对称的紧凑玻璃体的工艺中合并。 这种紧凑的预成型件在保持受扰的圆柱形对称性的条件下被拉入纤维中。

    Manufacturing method for optical fiber preform and optical fiber
    139.
    发明授权
    Manufacturing method for optical fiber preform and optical fiber 有权
    光纤预制棒和光纤的制造方法

    公开(公告)号：US08693833B2

    公开(公告)日：2014-04-08

    申请号：US13243092

    申请日：2011-09-23

    Applicant: Kentaro Ichii ,  Shoji Tanigawa

    Inventor： Kentaro Ichii ,  Shoji Tanigawa

    IPC: G02B6/02

    CPC classification number: C03B37/01838 ,  C03B37/01853 ,  C03B2201/28 ,  C03B2201/36 ,  C03C13/046 ,  C03C23/0095 ,  C03C2201/28 ,  C03C2201/32 ,  C03C2201/3488 ,  C03C2201/36 ,  C03C2203/54 ,  H01S3/06716 ,  H01S3/06729

    Abstract: Provided is a manufacturing method for an optical fiber preform of which the core is doped with a rare earth element. The method includes: depositing glass particles within a silica tube by the modified chemical vapor deposition method, the glass particles mainly consisting of silicon dioxide; adding the rare earth element and aluminum to the glass particles within the silica tube by the solution doping method; heating the silica tube while flowing a phosphorous-containing gas into the silica tube to sinter the glass particles within the silica tube while adding the phosphorous; and heating and collapsing the silica tube to which the rare earth element, the aluminum, and the phosphorous are added.

    Abstract translation: 本发明提供一种其中掺杂有稀土元素的光纤预制棒的制造方法。 该方法包括：通过改性化学气相沉积法将玻璃颗粒沉积在二氧化硅管内，玻璃颗粒主要由二氧化硅组成; 通过溶液掺杂法将稀土元素和铝添加到二氧化硅管内的玻璃颗粒中; 在将含磷气体流入二氧化硅管的同时加热二氧化硅管，以在加入磷的同时烧结二氧化硅管内的玻璃颗粒; 并且加热和塌陷添加有稀土元素，铝和磷的二氧化硅管。

    BROADBAND INFRARED LIGHT EMITTING DEVICE
    140.
    发明申请
    BROADBAND INFRARED LIGHT EMITTING DEVICE 有权
    宽带红外发光装置

    公开(公告)号：US20130119280A1

    公开(公告)日：2013-05-16

    申请号：US13809870

    申请日：2011-07-04

    Applicant: Shingo Fuchi ,  Yoshikazu Takeda

    Inventor： Shingo Fuchi ,  Yoshikazu Takeda

    IPC: F21V9/16

    CPC classification number: F21V9/30 ,  C03B2201/28 ,  C03B2201/30 ,  C03B2201/34 ,  C03C3/15 ,  C03C4/12 ,  C03C8/22 ,  C09K11/776 ,  C09K11/7782 ,  H01L33/501 ,  H01L33/504 ,  H01L2224/13 ,  H01L2224/16245 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/73265 ,  H01L2924/0002 ,  H01L2924/181 ,  H01L2924/00 ,  H01L2924/00014 ,  H01L2924/00012

    Abstract: [PROBLEM] There is provided a broadband infrared light emitting device that radiates infrared light having a band broader than a conventional broadband infrared light emitting device.[MEANS FOR SOLVING] The broadband infrared light emitting device at least includes: a light source 4 that emits first excitation light λ1 in a first wavelength range; a first glass phosphor 51 that has an excitation band in a first wavelength range, and when the first excitation light λ1 is incident thereon, emits second excitation light λ2 in a second wavelength range and first infrared light λ3 in a third wavelength range; and a second glass phosphor 52 that has an excitation band in the second wavelength range and does not have an excitation band in the third wavelength range, and when the second excitation light λ2 is incident thereon, allows the first infrared light λ3 to pass therethrough and emits second infrared light λ4 in a fourth wavelength range, and the broadband infrared light emitting device radiates broadband infrared light including at least a part of the third wavelength range and at least a part of the fourth wavelength range to an outside of the broadband infrared light.

    Abstract translation: 提供了宽带红外发光装置，其辐射具有比常规宽带红外发光装置更宽的波段的红外光。 宽带红外线发光装置至少包括：发射第一波长范围的第一激发光λ1的光源4; 第一玻璃荧光体51具有第一波长范围的激发带，并且当第一激发光λ1入射时，发射第二波长范围的第二激发光λ2和第三波长范围内的第一红外光λ3; 以及第二玻璃荧光体52，其具有在第二波长范围内的激发频带，并且在第三波长范围内不具有激发频带，并且当第二激发光λ2入射时，允许第一红外光λ3通过， 在第四波长范围内发射第二红外光λ4，并且宽带红外发光装置将包括第三波长范围和第四波长范围的至少一部分的至少一部分的宽带红外光辐射到宽带红外光的外部 。

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