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    • 4. 发明授权
    • Amplification by means of dysprosium doped low phonon energy glass
waveguides
    • 通过镝掺杂的低声子能量玻璃波导进行放大
    • US5973824A
    • 1999-10-26
    • US920877
    • 1997-08-29
    • Jasbinder SangheraBrandon ShawBrian ColeBarry HarbisonIshwar D. Aggarwal
    • Jasbinder SangheraBrandon ShawBrian ColeBarry HarbisonIshwar D. Aggarwal
    • H01S3/06G02B6/02H01S3/067H01S3/16H01S3/17
    • H01S3/06716G02B6/02H01S3/1606
    • Disclosed herein is an amplification method, an optical glass amplifier, a laser based on the amplifier and an amplification optical communication system, all based on a limited length of a single-mode glass fiber made from glass having phonon energy of less than about 350 cm.sup.-1 and doped with dysprosium. The glass includes 0.1-30 mol % germanium, 0-40 mol % arsenic, 0.01-20 mol % X, 0.01-20 mol % Y, and 0.001-2 weight % dysprosium, wherein X is selected from the group consisting of gallium, indium and mixtures thereof selenium; and wherein Y is selected from the group consisting of selenium, and mixtures of selenium and up to 50% of sulfur. The system includes a coupler, a silica-based signal fiber carrying the optical signal that is to be amplified in communication with said coupling means, a pump light source in communication with the coupler, an amplifier in communication with the coupler at one end and another silica-based fiber joined to the amplifier at its other end. The method includes the steps of introducing the optical signal to be amplified into the coupler, introducing a pump optical signal into the coupling means, combining the optical signal and the pump optical signal, introducing the combined optical signal into the amplifier and amplifying the optical signal by exciting the electrons in dysprosium so they emit at about 1.3 .mu.m.
    • 本文公开了放大方法,光学玻璃放大器,基于放大器的激光器和放大光通信系统,所有这些都基于由具有小于约350cm的声子能量的玻璃制成的单模玻璃纤维的有限长度 -1并掺杂镝。 该玻璃包括0.1-30mol%的锗,0-40mol%的砷,0.01-20mol%的X,0.01-20mol%的Y和0.001-2wt%的镝,其中X选自镓, 铟及其混合物硒; 并且其中Y选自硒,以及硒和高达50%的硫的混合物。 该系统包括耦合器,承载要与所述耦合装置通信的放大的光信号的基于二氧化硅的信号光纤,与耦合器通信的泵浦光源,在一端与耦合器连通的放大器和另一端 二氧化硅基纤维在其另一端连接到放大器。 该方法包括以下步骤:将要放大的光信号引入耦合器,将泵浦光信号引入耦合装置,组合光信号和泵浦光信号,将组合的光信号引入放大器并放大光信号 通过激发镝中的电子,使其发射约为1.3μm。
    • 8. 发明授权
    • Hollow core photonic band gap infrared fibers
    • 空心光子带隙红外光纤
    • US06993230B2
    • 2006-01-31
    • US10632210
    • 2003-08-01
    • Jasbinder SangheraIshwar AggarwalLeslie B. ShawPablo C. PurezaFred KungBrian Cole
    • Jasbinder SangheraIshwar AggarwalLeslie B. ShawPablo C. PurezaFred KungBrian Cole
    • G02B6/02
    • G02B6/02328C03B37/0122C03B37/01274C03B2201/86C03B2201/88C03B2203/12C03B2203/14C03B2203/16C03B2203/42C03C11/00C03C13/043G02B6/02347Y10T428/265Y10T428/2913
    • This invention pertains to a hollow core photonic band gap chalcogenide optical glass fiber and to a fabrication method for making the fiber. The fiber, which is 80-1000 microns in outside diameter, is characterized by a solid glass circumferential region and a structured region disposed centrally within the solid region, the structured region includes a hollow core of 1 micron to several hundreds of microns in diameter surrounded by a plurality of parallel hollow capillaries extending parallel to the core, the core being centrally and longitudinally located within the fiber. Ratio of open space to glass in the structured region is 30-99%. The fabrication method includes the steps of providing a mold, placing chalcogenide micro-tubes around the mold, stacking chalcogenide micro-canes around the stacked micro-tubes, fusing the micro-tubes and the micro-canes to form a preform, removing the mold and drawing the preform to obtain the fiber. In an alternative fabrication method, the fiber is made by extruding flowing chalcogenide glass through suitably made plate to form a preform and then drawing the preform to form the fiber.
    • 本发明涉及中空光子带隙硫族化物光学玻璃纤维及其制造方法。 外径为80-1000微米的纤维的特征在于固体玻璃圆周区域和设置在固体区域中心的结构区域,该结构区域包括直径为1微米至几百微米的中空芯体 通过平行于芯部延伸的多个平行的中空毛细管,芯部居中并且纵向位于纤维内。 结构区域的开放空间与玻璃的比例为30-99%。 该制造方法包括以下步骤:提供模具,将硫族化物微管放置在模具周围,在堆叠的微管周围堆放硫族化物微型手杖,将微管和微型手杖熔合以形成预成型件,移除模具 并拉制预制件以获得纤维。 在替代的制造方法中,纤维通过将流动的硫族化物玻璃通过适当制成的板挤出以形成预成型件然后拉伸预制件以形成纤维而制成。