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    • 4. 发明授权
    • Fiber optic dye amplifier
    • 光纤染料放大器
    • US4603940A
    • 1986-08-05
    • US527946
    • 1983-08-30
    • Herbert J. ShawMichel J. F. DigonnetRalph A. BerghWayne V. SorinBrian H. Kolner
    • Herbert J. ShawMichel J. F. DigonnetRalph A. BerghWayne V. SorinBrian H. Kolner
    • G02B6/00G02B6/28G02F1/17G02F1/19H01S3/06H01S3/067H01S3/07H01S3/091H01S3/0915H01S3/20H01S3/213G02B6/26G02B6/10G02B6/36
    • G02B6/2821H01S3/06708H01S3/20H01S3/213
    • A fiber optic amplifier as disclosed, comprised of a fiber optic, monomode waveguide which has a core and cladding. Part of the cladding over a predetermined region is removed and replaced by an active medium capable of absorbing light energy at a first wavelength and emitting light energy at a second wavelength. The active medium is a lasing dye which has an index of refraction adjusted to be slightly less than the index of refraction of the fiber core. The amount of cladding which is removed is adjusted such that a predetermined amount of penetration of the evanescent field from a pump light signal coupled into an end of the fiber penetrates the active medium. A probe signal to be amplified causes stimulated emission from the excited dye molecules by penetration of its evanescent field into the dye in the region where the cladding is removed.In the preferred embodiment a recirculating pump is used to circulate dye through a cavity which is placed over the portion of the fiber where the cladding is removed. The dye molecules in contact with the surface caused by removal of the cladding are continually changed. A temperature control unit maintains the temperature of the dye such that its index of refraction remains tuned to an amount just less than the index of refraction of the core.
    • 公开的一种光纤放大器,包括具有芯和包层的光纤,单模波导。 除去预定区域上的部分包层,并用能够吸收第一波长的光能并以第二波长发射光能的活性介质代替。 活性介质是一种激光折射率,其折射率被调整为略小于纤维芯的折射率。 被去除的包层的量被调整为使得从耦合到纤维的端部的泵浦光信号中的消逝场的预定量的穿透穿透活性介质。 要被放大的探针信号通过在消除包层的区域中将其消逝场穿透到染料中,从而激发染料分子的受激发射。 在优选实施例中,循环泵用于使染料循环通过空腔,所述空腔放置在去除了包层的纤维部分上。 由去除包层引起的与表面接触的染料分子不断变化。 温度控制单元保持染料的温度,使得其折射率保持调谐到刚好小于芯的折射率的量。
    • 10. 发明授权
    • Optical channel tap assembly
    • 光通道龙头组件
    • US08437592B2
    • 2013-05-07
    • US12907662
    • 2010-10-19
    • Sagi Varghese MathaiPaul Kessler RosenbergWayne V. Sorin
    • Sagi Varghese MathaiPaul Kessler RosenbergWayne V. Sorin
    • G02B6/26G02B27/10
    • G02B6/2852G02B6/4204G02B6/4206G02B6/4249
    • An optical channel tap assembly comprises a first N by M waveguide array including a first set of optical channels to convey optical signals along a first set of conveyance paths. The optical channel tap assembly also comprises a second N by M waveguide array including a second set of optical channels to convey the optical signals along a second set of conveyance paths, the optical signals received from the first set of conveyance paths. Additionally, the optical channel tap assembly comprises a beam splitter, disposed between the first N by M waveguide array and the second N by M waveguide array, to divert a first portion of power from the optical signals away from the second N by M waveguide array while allowing a second portion of power from the optical signals to propagate into the second N by M waveguide array.
    • 光通道分接组件包括第一N×M波导阵列,其包括第一组光通道,以沿着第一组输送路径传送光信号。 光通道分接组件还包括第二N乘M波导阵列,其包括第二组光通道,以沿着第二组输送路径传送光信号,所述光信号从第一组输送路径接收。 另外,光通道分接头组件包括设置在第一N×M波导阵列和第二N乘M波导阵列之间的分束器,以将来自光信号的第一部分功率从第二N转移到M波导阵列 同时允许来自光信号的第二部分功率传播到第二N乘M波导阵列。