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    Method and apparatus for monitoring multi-wavelength optical systems
    2.
    发明授权
    Method and apparatus for monitoring multi-wavelength optical systems 失效
    用于监测多波长光学系统的方法和装置

    公开(公告)号：US6078709A

    公开(公告)日：2000-06-20

    申请号：US968554

    申请日：1997-11-12

    申请人： Anatoli A. Abramov ,  Arturo Hale ,  Joel Leslie Mock ,  Thomas A. Strasser ,  Ashish Madhukar Vengsarkar

    发明人： Anatoli A. Abramov ,  Arturo Hale ,  Joel Leslie Mock ,  Thomas A. Strasser ,  Ashish Madhukar Vengsarkar

    IPC分类号： G02B26/00 ,  G02F1/313 ,  H04B10/02 ,  H04B10/152 ,  H04J14/00 ,  H04J14/02 ,  G02B6/34

    CPC分类号： H04J14/0221 ,  H04B10/07955

    摘要： Embodiments of the invention include an optical fiber system and method for separating the different wavelengths of transmitted light transmitted therethrough and for monitoring the respective optical power in the separated spectral components. More specifically, embodiments of the invention scan or modify the physical parameters of in-fiber gratings that couple light between spatially different modes of light within a wavelength-division-multiplexed (WDM) optical fiber system, separate the spatial modes using a mode-discriminating device (MDD) and monitor or detect the separated spectral components using a conventional or other suitable detector. By scanning the in-fiber gratings, the peak wavelength of coupling between two dissimilar modes is modified, thus allowing control of the coupling within the fiber optic system. Scanning the grating is performed, e.g., by changing the temperature or modifying the physical dimensions of the grating. In one embodiment, the system employs a long-period grating that couples light between two co-propagating, spatially different modes. In an alternative embodiment, the system uses a short-period grating that couples light between a forward propagating mode and a spatially dissimilar, backward propagating mode.

    摘要翻译： 本发明的实施例包括用于分离透过其中的透射光的不同波长的光纤系统和方法，用于监测分离的光谱分量中的相应光功率。 更具体地，本发明的实施例扫描或修改在波分复用（WDM）光纤系统内在空间上不同的光模之间耦合光的光纤内光栅的物理参数，使用模式识别 设备（MDD），并使用常规或其他合适的检测器监测或检测分离的光谱分量。 通过扫描光纤内光栅，修改两个不同模式之间耦合的峰值波长，从而允许控制光纤系统内的耦合。 例如通过改变温度或改变光栅的物理尺寸来执行扫描光栅。 在一个实施例中，该系统采用在两个共同传播的空间不同模式之间耦合光的长周期光栅。 在替代实施例中，系统使用在正向传播模式和空间不相似的反向传播模式之间耦合光的短周期光栅。

    Recoatable temperature-insensitive long-period gratings
    3.
    发明授权
    Recoatable temperature-insensitive long-period gratings 失效
    可重复的温度不敏感长周期光栅

    公开(公告)号：US6011886A

    公开(公告)日：2000-01-04

    申请号：US951778

    申请日：1997-10-16

    申请人： Anatoli A. Abramov ,  Arturo Hale ,  Ashish Madhukar Vengsarkar

    发明人： Anatoli A. Abramov ,  Arturo Hale ,  Ashish Madhukar Vengsarkar

    IPC分类号： G02B5/18 ,  G02B6/02 ,  G02B6/10 ,  G02B6/293 ,  G02B6/34 ,  H01S3/06 ,  H04B10/12

    CPC分类号： G02B6/02095 ,  G02B6/0219 ,  G02B6/03644

    摘要： Applicants have determined that the temperature sensitivity of long period grating devices is substantially affected by the provision of a polymeric coating over the conventional glass cladding and, in particular, that by providing a polymer overcoating with an appropriately selected index of refraction, one can minimize temperature sensitivity. In a preferred embodiment, the temperature sensitivity of a long period grating written in conventional dispersion-shifted fiber is reduced to 0.40 nm/100.degree. C.

    摘要翻译： 申请人已经确定长期光栅装置的温度敏感性基本上受传统玻璃包层上的聚合物涂层的影响，特别是通过提供具有适当选择的折射率的聚合物外涂层，可以最小化温度 灵敏度。 在优选实施例中，将常规色散位移光纤中写入的长周期光栅的温度灵敏度降低至0.40nm / 100℃。

    Laser scoring of glass sheets at high speeds and with low residual stress
    4.
    发明授权
    Laser scoring of glass sheets at high speeds and with low residual stress 有权
    高速玻璃板激光刻痕，残余应力低

    公开(公告)号：US08011207B2

    公开(公告)日：2011-09-06

    申请号：US12008949

    申请日：2008-01-15

    申请人： Anatoli A. Abramov ,  Yawei Sun ,  Wei Xu ,  Naiyue Zhou

    发明人： Anatoli A. Abramov ,  Yawei Sun ,  Wei Xu ,  Naiyue Zhou

    IPC分类号： C03B33/00 ,  C03B33/02 ,  C03B33/037

    CPC分类号： C03B33/091 ,  Y02P40/57

    摘要： Experimental data is presented which shows that laser scoring of glass sheets (112) with existing techniques produces unacceptable levels of residual stress in the separated sheets as the scoring speed is increased. Methods for solving this problem are disclosed which employ elongated and, preferably, asymmetrically-truncated laser beams (13). The methods allow glass sheets (112) to be scored at speeds of 1000 mm/s and above with low levels of residual stress, e.g., levels of residual stress which are less than or equal to 500 psi. Such low levels of residual stress translate into low levels of distortion during the manufacture of display panels (e.g., LCD panels) as well as in improved properties of the separated edges. The methods can be used with glasses of various types including glasses having low coefficients of thermal expansion.

    摘要翻译： 实验数据显示，现有技术的玻璃板（112）的激光刻痕在分选片材中随着刻痕速度的提高而产生不可接受的残余应力水平。 公开了解决这个问题的方法，其采用细长的，优选的是非对称截断的激光束（13）。 该方法允许玻璃板（112）以低于或等于1000mm / s的速度以低水平的残余应力（例如残余应力的水平小于或等于500psi）进行刻痕。 这种低水平的残余应力在显示面板（例如LCD面板）的制造过程中转化为低水平的变形以及分离边缘的改进的性质。 该方法可用于各种类型的眼镜，包括具有低热膨胀系数的眼镜。

    Method for cutting a brittle material
    6.
    发明授权
    Method for cutting a brittle material 有权
    切割脆性材料的方法

    公开(公告)号：US08171753B2

    公开(公告)日：2012-05-08

    申请号：US12621068

    申请日：2009-11-18

    申请人： Anatoli A. Abramov ,  Weiwei Luo

    发明人： Anatoli A. Abramov ,  Weiwei Luo

    IPC分类号： C03B33/09

    CPC分类号： C03B33/0215 ,  B23K26/146 ,  B23K26/40 ,  B23K26/703 ,  B23K37/003 ,  B23K2103/52 ,  C03B33/091

    摘要： A method of scoring and/or separating a brittle material is described comprising heating a surface of the brittle material along a predetermined path with a laser, then quenching the heated surface with a stream of cooling liquid, such as water, formed by a nozzle. The portion of the cooling stream impinging on the surface of the brittle material is a substantially columnar flow.

    摘要翻译： 描述了一种对脆性材料进行刻痕和/或分离的方法，其包括用激光沿预定路径加热脆性材料的表面，然后用喷嘴形成的诸如水的冷却液流骤冷却加热的表面。 撞击脆性材料表面的冷却流的部分是基本上柱状的流动。

    Laser scoring of glass sheets at high speeds and with low residual stress
    7.
    发明申请
    Laser scoring of glass sheets at high speeds and with low residual stress 有权
    高速玻璃板激光刻痕，残余应力低

    公开(公告)号：US20090126403A1

    公开(公告)日：2009-05-21

    申请号：US12008949

    申请日：2008-01-15

    申请人： Anatoli A. Abramov ,  Yawei Sun ,  Wei Xu ,  Naiyue Zhou

    发明人： Anatoli A. Abramov ,  Yawei Sun ,  Wei Xu ,  Naiyue Zhou

    IPC分类号： C03B33/00 ,  C03B33/09

    CPC分类号： C03B33/091 ,  Y02P40/57

    摘要： Experimental data is presented which shows that laser scoring of glass sheets (112) with existing techniques produces unacceptable levels of residual stress in the separated sheets as the scoring speed is increased. Methods for solving this problem are disclosed which employ elongated and, preferably, asymmetrically-truncated laser beams (13). The methods allow glass sheets (112) to be scored at speeds of 1000 mm/s and above with low levels of residual stress, e.g., levels of residual stress which are less than or equal to 500 psi. Such low levels of residual stress translate into low levels of distortion during the manufacture of display panels (e.g., LCD panels) as well as in improved properties of the separated edges. The methods can be used with glasses of various types including glasses having low coefficients of thermal expansion.

    摘要翻译： 实验数据显示，现有技术的玻璃板（112）的激光刻痕在分选片材中随着刻痕速度的提高而产生不可接受的残余应力水平。 公开了解决这个问题的方法，其采用细长的，优选的是非对称截断的激光束（13）。 该方法允许玻璃板（112）以低于或等于1000mm / s的速度以低水平的残余应力（例如残余应力的水平小于或等于500psi）进行刻痕。 这种低水平的残余应力在显示面板（例如LCD面板）的制造过程中转化为低水平的变形以及分离边缘的改进的性质。 该方法可用于各种类型的眼镜，包括具有低热膨胀系数的眼镜。

    METHOD FOR CUTTING A BRITTLE MATERIAL
    9.
    发明申请
    METHOD FOR CUTTING A BRITTLE MATERIAL 有权
    切割材料的方法

    公开(公告)号：US20110113830A1

    公开(公告)日：2011-05-19

    申请号：US12621068

    申请日：2009-11-18

    申请人： Anatoli A. Abramov ,  Weiwei Luo

    发明人： Anatoli A. Abramov ,  Weiwei Luo

    IPC分类号： C03B33/00 ,  B23K26/00

    CPC分类号： C03B33/0215 ,  B23K26/146 ,  B23K26/40 ,  B23K26/703 ,  B23K37/003 ,  B23K2103/52 ,  C03B33/091

    摘要： A method of scoring and/or separating a brittle material is described comprising heating a surface of the brittle material along a predetermined path with a laser, then quenching the heated surface with a stream of cooling liquid, such as water, formed by a nozzle. The portion of the cooling stream impinging on the surface of the brittle material is a substantially columnar flow.

    摘要翻译： 描述了一种对脆性材料进行刻痕和/或分离的方法，其包括用激光沿预定路径加热脆性材料的表面，然后用喷嘴形成的诸如水的冷却液流骤冷却加热的表面。 撞击脆性材料表面的冷却流的部分是基本上柱状的流动。