中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

80 records (took 0.045 seconds)

    Thulium-doped germanate glass composition and device for optical amplification
    1.
    发明授权
    Thulium-doped germanate glass composition and device for optical amplification 失效
    碲掺杂锗酸盐玻璃组合物和光学放大装置

    公开(公告)号：US06589895B2

    公开(公告)日：2003-07-08

    申请号：US09897294

    申请日：2001-06-29

    Applicant: Matthew J. Dejneka ,  Jean-Philippe de Sandro ,  Alexandre M. Mayolet ,  Bryce N. Samson ,  Ji Wang

    Inventor： Matthew J. Dejneka ,  Jean-Philippe de Sandro ,  Alexandre M. Mayolet ,  Bryce N. Samson ,  Ji Wang

    IPC: C03C412

    CPC classification number: C03C4/12 ,  C03C3/253 ,  C03C13/048 ,  H01S3/1616 ,  H01S3/17

    Abstract: A Tm-doped germanate glass composition comprises GeO2 having a concentration of at least 20 mole percent, Tm2O3 having a concentration of about 0.001 mole percent to about 2 mole percent, and Ga2O3, having a concentration of about 2 mole percent to about 40 mole percent. The composition can further include an alkaline earth metal compound selected from the group consisting of MgO, CaO, SrO, BaO, BaF2, MgF2, CaF2, SrF2, BaCl2, MgCl2, CaCl2, SrCl2, BaBr2, MgBr2, CaBr2, SrBr2, and combinations thereof, and having a non-zero concentration of less than about 40 mole percent. The composition can further include an alkali metal compound selected from the group consisting of Li2O, Na2O, K2O, Rb2O, Cs2O, Li2F2, Na2F2, K2F2, Rb2F2, Cs2F2, Li2Cl2, Na2Cl2, K2Cl2, Rb2Cl2, Cs2Cl2, Li2Br2, Na2Br2, K2Br2, Rb2Br2, Cs2Br2 and combinations thereof, and having a non-zero concentration of less than about 20 mole percent. The emission bandwidth of the composition in the 1450 nm to 1530 nm range can be varied on the basis of one or more composition ratios. A Tm-doped germanate optical amplifier can amplify optical signals in the S-band region of the electromagnetic spectrum.

    Abstract translation: Tm掺杂的锗酸盐玻璃组合物包含浓度为至少20摩尔％的GeO 2，浓度为约0.001摩尔％至约2摩尔％的Tm 2 O 3和浓度为约2摩尔％至约40摩尔％的Ga 2 O 3 。 所述组合物还可以包含选自MgO，CaO，SrO，BaO，BaF 2，MgF 2，CaF 2，SrF 2，BaCl 2，MgCl 2，CaCl 2，SrCl 2，BaBr 2，MgBr 2，CaBr 2，SrBr 2和组合的碱土金属化合物 并且具有小于约40摩尔％的非零浓度。 所述组合物可以进一步包括选自Li 2 O，Na 2 O，K 2 O，Rb 2 O，Cs 2 O，Li 2 F 2，Na 2 F 2，K 2 F 2，Rb 2 F 2，Cs 2 F 2，Li 2 Cl 2，Na 2 Cl 2，K 2 Cl 2，Rb 2 Cl 2，Cs 2 Cl 2，Li 2 Br 2，Na 2 Br 2，K 2 B 2 ，Rb2Br2，Cs2Br2及其组合，并且具有小于约20摩尔％的非零浓度。 1450nm至1530nm范围内的组合物的发射带宽可以基于一种或多种组成比来改变。 Tm掺杂的锗酸盐光放大器可以放大电磁光谱的S带区域的光信号。

    Borosilicate cladding glasses for germanate core thulium-doped amplifiers
    2.
    发明授权
    Borosilicate cladding glasses for germanate core thulium-doped amplifiers 失效
    用于锗酸盐铯掺杂放大器的硼硅酸盐包覆玻璃

    公开(公告)号：US06515795B1

    公开(公告)日：2003-02-04

    申请号：US09897833

    申请日：2001-06-29

    Applicant: Matthew J. Dejneka ,  Ji Wang

    Inventor： Matthew J. Dejneka ,  Ji Wang

    IPC: H01S3067

    CPC classification number: C03B37/01211 ,  C03B37/01274 ,  C03B2201/10 ,  C03B2201/30 ,  C03B2201/50 ,  C03B2201/54 ,  C03B2201/58 ,  C03B2201/78 ,  C03C13/046 ,  G02B6/03694 ,  H01S3/06716 ,  H01S3/06754 ,  H01S3/1616 ,  H01S3/163 ,  H01S3/1655

    Abstract: A borosilicate glass composition comprises SiO2 having a concentration of about 40 mole percent to about 60 mole percent, B2O3 having a concentration of about 10 mole percent to about 30 mole percent, and an alkaline earth and/or alkali compound having a concentration of 10 mole percent to about 40 mole percent. An optical fiber amplification device comprises a borosilicate glass material cladding. The core comprises a germanate glass material doped with Tm3+. The germanate glass material has a first surface configured to receive an optical signal having a wavelength of from about 1400 nm to about 1540 nm and a second surface configured to output an amplified optical signal. In this manner, low cost fiber amplifiers in the 1450-1530 nm wavelength region (corresponding to the S-band) can be achieved.

    Abstract translation: 硼硅酸盐玻璃组合物包含浓度为约40摩尔％至约60摩尔％的SiO 2，浓度为约10摩尔％至约30摩尔％的B 2 O 3和浓度为10摩尔的碱土金属和/或碱化合物 百分比至约40摩尔％。 光纤放大装置包括硼硅酸盐玻璃材料包层。 核心包括掺杂有Tm3 +的锗酸盐玻璃材料。 锗酸盐玻璃材料具有被配置为接收波长为约1400nm至约1540nm的光信号的第一表面和被配置为输出放大的光信号的第二表面。 以这种方式，可以实现1450-1530nm波长区域（对应于S波段）的低成本光纤放大器。

    Low bend loss optical fiber
    3.
    发明授权
    Low bend loss optical fiber 有权
    低弯曲损耗光纤

    公开(公告)号：US08953917B2

    公开(公告)日：2015-02-10

    申请号：US13680641

    申请日：2012-11-19

    Applicant: George Edward Berkey ,  Dana Craig Bookbinder ,  Steven Bruce Dawes ,  Ming-Jun Li ,  Pushkar Tandon ,  Ji Wang

    Inventor： George Edward Berkey ,  Dana Craig Bookbinder ,  Steven Bruce Dawes ,  Ming-Jun Li ,  Pushkar Tandon ,  Ji Wang

    IPC: G02B6/036 ,  G02B6/028

    CPC classification number: G02B6/028 ,  G02B6/0286 ,  G02B6/03627 ,  G02B6/03638 ,  G02B6/0365

    Abstract: According to some embodiments a single mode fiber includes: a germania doped central core region having outer radius r1 and relative refractive index Δ1; and a cladding region comprising (i) a first inner cladding region having an outer radius r2>6 microns and relative refractive index Δ2 and 0.3≦r1/r2≦0.85; and (ii) a second inner cladding region having an outer radius r3>9 microns and comprising a minimum relative refractive index Δ3, wherein said second inner cladding region has at least one region with a relative refractive index delta that becomes more negative with increasing radius; and (iii) an outer cladding region surrounding the second inner cladding region and comprising relative refractive index Δ4, wherein Δ1>Δ2>Δ3, Δ3

    Abstract translation: 根据一些实施例，单模光纤包括：具有外半径r1和相对折射率＆Dgr; 1的掺杂锗的中心芯区域; 包括区域，其包括（i）具有外半径r2> 6微米的第一内包层区域和相对折射率＆lt; Dgr; 2和0.3＆amp; nlE; r1 / r2＆nlE; 0.85; 和（ii）外半径r3> 9微米并且包括最小相对折射率＆lt; Dgr; 3的第二内包层区域，其中所述第二内包层区域具有至少一个相对折射率Δδ的区域变得更为负， 半径增加 4，一种包围第二内包层区域的外包层区，包括相对折射率＆Dgr; 4，其中＆Dgr; 1＆Dgr; 2＆Dgr; 3，＆Dgr; 3＆

    FEW MODE OPTICAL FIBERS FOR MODE DIVISION MULTIPLEXING
    5.
    发明申请
    FEW MODE OPTICAL FIBERS FOR MODE DIVISION MULTIPLEXING 有权
    用于模式分割多路复用的模式光纤

    公开(公告)号：US20130071114A1

    公开(公告)日：2013-03-21

    申请号：US13420037

    申请日：2012-03-14

    Applicant: Scott Robertson Bickham ,  Ming-Jun Li ,  Daniel Aloysius Nolan ,  Ji Wang

    Inventor： Scott Robertson Bickham ,  Ming-Jun Li ,  Daniel Aloysius Nolan ,  Ji Wang

    IPC: G02B6/028 ,  H04J14/04

    CPC classification number: G02B6/0288 ,  G02B6/02019 ,  G02B6/02023 ,  G02B6/03627 ,  G02B6/0365 ,  H04J14/04

    Abstract: A few mode optical fiber suitable for use in a mode division multiplexing (MDM) optical transmission system is disclosed. The optical fiber has a graded-index core with a radius R1 in the range from 8 μm to 14 μm, an alpha value greater than or equal to about 2.3 and less than about 2.7 at a wavelength of 1550 nm, and a maximum relative refractive index Δ1MAX from about 0.3% to about 0.6% relative to the cladding. The optical fiber also has an effective area greater than about 90 μm2 and less than about 160 μm2. The core and cladding support only the LP01 and LP11 modes at wavelengths greater than 1500 nm. The cladding has a maximum relative refractive index Δ4MAX such that Δ1MAX>Δ4MAX, and the differential group delay between the LP01 and LP11 modes is less than about 0.5 ns/km at a wavelength of 1550 nm.

    Abstract translation: 公开了适用于模分多路复用（MDM）光传输系统的几种模式光纤。 光纤具有半径R1在8μm至14μm范围内的梯度折射率芯，在1550nm波长处大于或等于约2.3且小于约2.7的α值，以及最大相对折射率 指数＆Dgr; 1MAX，相对于包层为约0.3％至约0.6％。 该光纤还具有大于约90μm2且小于约160μm2的有效面积。 芯和包层只支持波长大于1500 nm的LP01和LP11模式。 包层具有最大相对折射率＆Dgr; 4MAX，使得＆Dgr; 1MAX>＆Dgr; 4MAX，并且LP01和LP11模式之间的差分群延迟在1550nm的波长处小于约0.5ns / km。

    High numerical aperture fiber
    9.
    发明申请
    High numerical aperture fiber 失效
    高数值孔径光纤

    公开(公告)号：US20080181567A1

    公开(公告)日：2008-07-31

    申请号：US11701287

    申请日：2007-01-31

    Applicant: Dana Craig Bookbinder ,  Ming-Jun Li ,  Michael Thomas Murtagh ,  Daniel Aloysius Nolan ,  Pushkar Tandon ,  Ji Wang

    Inventor： Dana Craig Bookbinder ,  Ming-Jun Li ,  Michael Thomas Murtagh ,  Daniel Aloysius Nolan ,  Pushkar Tandon ,  Ji Wang

    IPC: G02B6/02 ,  G02B6/036

    CPC classification number: G02B6/02366 ,  G02B6/024 ,  G02B6/03633

    Abstract: An optical fiber comprising: a silica based core having a first index of refraction n1; and at least one silica based cladding surrounding the core, the at least one silica based cladding comprising index lowering non-periodic voids containing a gas, wherein at least 80% of said voids have a maximum cross-sectional dimension of less than 2000 nm, and the NA of the fiber layer situated immediately adjacent to and inside said at least one silica based cladding is at least 0.2.

    Abstract translation: 一种光纤，包括：具有第一折射率n 1的二氧化硅基核; 以及包围所述芯的至少一个二氧化硅基包层，所述至少一个二氧化硅基包层包含含有气体的折射率降低的非周期性空隙，其中至少80％的所述空隙具有小于2000nm的最大横截面尺寸， 并且位于所述至少一个基于二氧化硅的包层内和所述至少一个二氧化硅基包层内的所述纤维层的NA为至少0.2。

Patent Agency Ranking