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    METHOD OF MOLDING SYNTHETIC SILICA GLASS MOLDED BODY
    41.
    发明申请
    METHOD OF MOLDING SYNTHETIC SILICA GLASS MOLDED BODY 有权
    模塑合成二氧化硅玻璃模制体的方法

    公开(公告)号：US20120297833A1

    公开(公告)日：2012-11-29

    申请号：US13567837

    申请日：2012-08-06

    Applicant: Masafumi MIZUGUCHI ,  Tetsuya Abe

    Inventor： Masafumi MIZUGUCHI ,  Tetsuya Abe

    IPC: C03B11/12

    CPC classification number: G01N21/64 ,  C03B11/08 ,  C03B23/0013 ,  C03B40/02 ,  C03B2201/03 ,  C03C3/06 ,  C03C23/0075 ,  C03C2201/32 ,  C03C2201/40 ,  C03C2203/52 ,  G01N21/6402 ,  Y02P40/57

    Abstract: A method of molding a synthetic silica glass molded body by accommodating a synthetic silica glass block in a mold provided with a pressing portion, and by pressing the block while heating, the method including: washing the synthetic silica glass block so that a concentration of copper which is present on the surface of the synthetic silica glass block is 2 ng/cm2 or less; heating high purity carbon powders with a content of copper and aluminium; heating the mold at a temperature condition of 1700° C. to 1900° C.; applying the powders before accommodating the block in the mold; and molding the block in a predetermined form by pressing the block while heating within a hold temperature range of 1500° C. to 1700° C., after accommodating the washed block in the mold.

    Abstract translation: 一种合成石英玻璃成型体的成型体，其通过将合成石英玻璃块容纳在具有按压部的模具中，并且在加热的同时加压块而成型，其特征在于，包括：洗涤合成石英玻璃块，使铜 存在于合成石英玻璃块的表面上的浓度为2ng / cm 2以下; 加热含有铜和铝的高纯度碳粉; 在1700℃至1900℃的温度条件下加热模具。 在将块容纳在模具中之前施加粉末; 并且在将洗涤的块体容纳在模具中之后，在1500℃至1700℃的保持温度范围内加热的同时通过压制块将模块成型为预定形式。

    OPTICAL FIBER
    42.
    发明申请
    OPTICAL FIBER 有权
    光纤

    公开(公告)号：US20120294577A1

    公开(公告)日：2012-11-22

    申请号：US13574080

    申请日：2011-01-24

    Applicant: Kevin Wallace Bennett

    Inventor： Kevin Wallace Bennett

    IPC: G02B6/036 ,  G02B6/028

    CPC classification number: G02B6/0288 ,  C03B37/01413 ,  C03B2201/12 ,  C03B2201/32 ,  C03B2203/24 ,  C03C3/06 ,  C03C13/045 ,  C03C2201/32 ,  G02B6/02395

    Abstract: According to one example of the invention an optical fiber comprises: (i) a core comprising Al doped silica but essentially no Er or Yb, and having a first index of refraction n1; (ii) at least one F doped silica based cladding surrounding the core and having a second index of refraction n2, such that n1>n2, wherein the cladding comprises essentially of SiO2 and 0.2-5 wt % F; (iii) a hermetic carbon based coating surrounding said cladding, said hermetic coating being 200 to 1000 Angstroms thick; and (iv) a second coating surrounding said hermetic coating, said second coating being 5 μm to 80 μm thick.

    Abstract translation: 根据本发明的一个示例，光纤包括：（i）包含Al掺杂二氧化硅但基本上不含Er或Yb并且具有第一折射率n1的芯; （ii）至少一个F掺杂的二氧化硅基包层，其围绕所述芯并且具有第二折射率n2，使得n1> n2，其中所述包层基本上由SiO 2和0.2-5重量％F组成; （iii）围绕所述包层的密封碳基涂层，所述密封涂层为200至1000埃厚; 和（iv）围绕所述密封涂层的第二涂层，所述第二涂层为5μm至80μm厚。

    METHOD FOR PRODUCING QUARTZ GLASS USING A MIXED POWDER
    43.
    发明申请
    METHOD FOR PRODUCING QUARTZ GLASS USING A MIXED POWDER 有权
    使用混合粉末生产石墨玻璃的方法

    公开(公告)号：US20110120190A1

    公开(公告)日：2011-05-26

    申请号：US13023262

    申请日：2011-02-08

    Applicant: Tatsuhiro Sato

    Inventor： Tatsuhiro Sato

    IPC: C03B20/00 ,  C03B19/01

    CPC classification number: C03C1/00 ,  C03B19/063 ,  C03B32/005 ,  C03B2201/12 ,  C03B2201/20 ,  C03B2201/24 ,  C03B2201/36 ,  C03C3/06 ,  C03C3/112 ,  C03C4/20 ,  C03C2201/12 ,  C03C2201/23 ,  C03C2201/24 ,  C03C2201/26 ,  C03C2201/32 ,  C03C2201/3411 ,  C03C2201/3435 ,  C03C2201/36

    Abstract: A mixed quartz powder contains quartz powder and two or more types of doping element in an amount of from 0.1 to 20 mass %. The aforementioned doped elements include a first dope element selected from the group consisting of N, C and F, and a second dope element selected from the group consisting of Mg, Ca, Sr, Ba, Sc, Y, Ti, Zr, Hf, the lanthanides and the actinides. The “quartz powder” is a powder of crystalline quartz or it is a powder of glassy SiO2 particles. It is made form natural occurring quartz or it is fabricated synthetically. The “quartz powder” may be doped. The compounding ratio of the total amount (M1) of the aforementioned first elements and the total amount (M2) of the aforementioned second elements as the ratio of the number of atoms (M1)/(M2) is preferably from 0.1 to 20. Al as well as the aforementioned doped elements is preferably included in a mixed quartz powder of this invention.

    Abstract translation: 混合石英粉含有0.1〜20质量％的石英粉和2种以上的掺杂元素。 上述掺杂元素包括选自N，C和F的第一掺杂元素和选自Mg，Ca，Sr，Ba，Sc，Y，Ti，Zr，Hf的第二掺杂元素， 镧系元素和锕系元素。 “石英粉”是结晶石英粉，或是玻璃状SiO 2粉末的粉末。 它由天然石英制成，或者由合成制成。 可以掺杂“石英粉”。 上述第一元素的总量（M1）与上述第二元素的总量（M2）的配位比优选为0.1〜20。作为原子数（M1）/（M2）的比例，优选为0.1〜20。 以及上述掺杂元素优选包括在本发明的混合石英粉末中。

    Fluorescent glass, optical waveguide, optical fiber, optical coherence tomography apparatus, and optical fiber laser
    44.
    发明授权
    Fluorescent glass, optical waveguide, optical fiber, optical coherence tomography apparatus, and optical fiber laser 有权
    荧光玻璃，光波导，光纤，光学相干断层摄影装置和光纤激光器

    公开(公告)号：US07940815B2

    公开(公告)日：2011-05-10

    申请号：US11488902

    申请日：2006-07-19

    Applicant: Motoki Kakui ,  Tetsuya Haruna ,  Takahiro Murata

    Inventor： Motoki Kakui ,  Tetsuya Haruna ,  Takahiro Murata

    IPC: H01S3/30

    CPC classification number: C03C13/046 ,  C03B2201/30 ,  C03B2201/32 ,  C03B2205/42 ,  C03C3/06 ,  C03C4/12 ,  C03C2201/10 ,  C03C2201/32 ,  G01N21/4795 ,  H01S3/06716

    Abstract: The present invention relates to fluorescent glass which is easily put into practical use, and optical elements including the same. In one aspect, the fluorescent glass is comprised of silica-based glass containing Bi as a dopant, and adapted to generate fluorescence in response to pumping light in a wavelength band of 980 nm incident thereon. In another aspect, the fluorescent glass contains at least one species of transition metal as a dopant, and exhibits a 980-nm band absorption spectrum having a full width at half maximum exceeding 10 nm. In still another aspect, the fluorescent glass is comprised of silica-based glass containing at least one species of transition element as a dopant, and exhibits a fluorescence spectrum with a peak intensity fluctuating within a range of −1 dB or more but 1 dB or less with respect to pumping light having a fixed intensity in a state set to a temperature of −5° C. or more but 65° C. or less.

    Abstract translation: 本发明涉及容易投入实际使用的荧光玻璃以及包含该荧光玻璃的光学元件。 在一个方面，荧光玻璃由含有Bi作为掺杂剂的二氧化硅基玻璃组成，并且适于响应入射到其上的980nm的波长带中的泵浦光产生荧光。 在另一方面，荧光玻璃含有至少一种过渡金属作为掺杂剂，并且表现出具有半峰全宽超过10nm的980nm带吸收光谱。 在另一方面，荧光玻璃由含有至少一种过渡元素作为掺杂剂的二氧化硅基玻璃构成，并且具有峰值强度在-1dB以上至1dB的范围内波动的荧光光谱，或 相对于在设定为-5℃以上且65℃以下的温度的状态下抽送具有固定强度的光较少。

    PROCESS FOR PREPARING HIGH-PURITY SILICON DIOXIDE GRANULE
    45.
    发明申请
    PROCESS FOR PREPARING HIGH-PURITY SILICON DIOXIDE GRANULE 审中-公开
    制备高纯硅二氧化锗颗粒的方法

    公开(公告)号：US20100183495A1

    公开(公告)日：2010-07-22

    申请号：US12667796

    申请日：2008-06-16

    Applicant: Kai Schumacher ,  Christian Schulze-Isfort

    Inventor： Kai Schumacher ,  Christian Schulze-Isfort

    IPC: C01B33/12

    CPC classification number: C03C12/00 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/80 ,  C03C2201/02 ,  C03C2201/32 ,  C03C2201/3476 ,  C03C2201/42 ,  C09C1/3036

    Abstract: Process for preparing a silicon dioxide granule having a specific surface area of less than 1 m2/g and a proportion of impurities of less than 50 ppm, in which a) a silicon dioxide powder with a tamped density of 15 to 190 g/l, b) is compacted to slugs which are subsequently crushed, the slug fragments having a tamped density of 210 to 800 g/l, and c) the slug fragments are treated with one or more reactive compounds at 400 to 1100° C.

    Abstract translation: 制备比表面积小于1m 2 / g的二氧化硅颗粒和小于50ppm的杂质比例的二氧化硅颗粒的方法，其中a）捣实密度为15至190g / l的二氧化硅粉末， b）被压实成随后被粉碎的块塞，碎块碎片具有210至800g / l的夯实密度，和c）在140至1100℃下用一种或多种反应性化合物处理段状碎片。

    Fluorescent glass, optical waveguide, optical fiber, optical coherence tomography apparatus, and optical fiber laser
    48.
    发明申请
    Fluorescent glass, optical waveguide, optical fiber, optical coherence tomography apparatus, and optical fiber laser 有权
    荧光玻璃，光波导，光纤，光学相干断层摄影装置和光纤激光器

    公开(公告)号：US20070036509A1

    公开(公告)日：2007-02-15

    申请号：US11488902

    申请日：2006-07-19

    Applicant: Motoki Kakui ,  Tetsuya Haruna ,  Takahiro Murata

    Inventor： Motoki Kakui ,  Tetsuya Haruna ,  Takahiro Murata

    IPC: G02B6/00

    CPC classification number: C03C13/046 ,  C03B2201/30 ,  C03B2201/32 ,  C03B2205/42 ,  C03C3/06 ,  C03C4/12 ,  C03C2201/10 ,  C03C2201/32 ,  G01N21/4795 ,  H01S3/06716

    Abstract: The present invention relates to fluorescent glass which is easily put into practical use, and optical elements including the same. In one aspect, the fluorescent glass is comprised of silica-based glass containing Bi as a dopant, and adapted to generate fluorescence in response to pumping light in a wavelength band of 980 nm incident thereon. In another aspect, the fluorescent glass contains at least one species of transition metal as a dopant, and exhibits a 980-nm band absorption spectrum having a full width at half maximum exceeding 10 nm. In still another aspect, the fluorescent glass is comprised of silica-based glass containing at least one species of transition element as a dopant, and exhibits a fluorescence spectrum with a peak intensity fluctuating within a range of −1 dB or more but 1 dB or less with respect to pumping light having a fixed intensity in a state set to a temperature of −5° C. or more but 65° C. or less.

    Abstract translation: 本发明涉及容易投入实际使用的荧光玻璃以及包含该荧光玻璃的光学元件。 在一个方面，荧光玻璃由含有Bi作为掺杂剂的二氧化硅基玻璃组成，并且适于响应入射到其上的980nm的波长带中的泵浦光产生荧光。 在另一方面，荧光玻璃含有至少一种过渡金属作为掺杂剂，并且表现出具有半峰全宽超过10nm的980nm带吸收光谱。 在另一方面，荧光玻璃由含有至少一种过渡元素作为掺杂剂的二氧化硅基玻璃构成，并且具有峰值强度在-1dB以上至1dB的范围内波动的荧光光谱，或 相对于在设定为-5℃以上且65℃以下的温度的状态下抽送具有固定强度的光较少。

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