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    • 1. 发明申请
    • TELESCOPIC CONTACT LENS
    • 电话联系镜头
    • US20130265507A1
    • 2013-10-10
    • US13878987
    • 2011-10-11
    • Joseph E. FordEric Tremblay
    • Joseph E. FordEric Tremblay
    • G02C7/04
    • G02C7/044G02B17/0808G02B23/06G02C7/04G02C7/088G02C7/101
    • Techniques, systems and apparatus are described for implementing a telescopic contact lens. In one aspect, a telescopic contact lens includes an inner lens including optical apertures and aspheric reflectors, an outer lens of a biocompatible material, and a switching device that rapidly switches between normal and telescopic vision. The optical apertures of the inner lens includes a center aperture that allows light to pass through for normal vision and an annular aperture located on the periphery of the inner lens that allows light to enter for telescopic vision, The aspheric reflectors are configured between the annular aperture and the center aperture to reflect the light and magnify a visual image for telescopic vision.
    • 描述了用于实现伸缩式隐形眼镜的技术,系统和装置。 一方面,伸缩式隐形眼镜包括内透镜,其包括光学孔和非球面反射器,生物相容性材料的外透镜以及在正常和望远视觉之间快速切换的开关装置。 内透镜的光学孔径包括允许光通过以用于正常视觉的中心孔和位于允许光进入望远镜的内透镜的周边上的环形孔。非球面反射器被配置在环形孔 以及中心孔径以反射光线并放大视觉图像以实现望远镜的视觉。
    • 4. 发明授权
    • Level-setting optical attenuator
    • 电平设置光衰减器
    • US5900983A
    • 1999-05-04
    • US916859
    • 1997-08-22
    • Joseph E. FordKeith Wayne Goossen
    • Joseph E. FordKeith Wayne Goossen
    • G02B6/02G02B6/26G02B6/35G02B27/10G02B6/00G02B13/22
    • G02B6/266G02B6/02076G02B6/3514G02B6/3588G02B6/3594
    • A level-setting attenuator for generating an output signal having a predetermined optical power from an input optical signal having a varying power is disclosed. The level-setting attenuator includes a telecentric imaging device, a variable atttenuator, an optical power detector and control electronics. The telecentric imaging device collimates a received optical signal which is received and partially attenuated by the variable attenuator. In some embodiments, the variable attenuator generates an attenuated signal portion and an unattenuated signal portion. The attenuated signal is directed, by the variable attenuator, to an optical power detector operable to measure the power of the attenuated optical signal. The detector sends a signal indicative of the measurement to control electronics. The control electronics are operable to generate a control signal for controlling the attenuation of the unattenuated signal portion so that is has the predetermined power level. The unattenuated signal portion is coupled, via the telecentric imaging device, into an output fiber.
    • 公开了一种用于从具有变化的功率的输入光信号产生具有预定光功率的输出信号的电平设置衰减器。 电平设置衰减器包括一个远心成像装置,一个可变的监控器,一个光功率检测器和控制电子装置。 远心成像装置对接收到的可变衰减器接收并部分衰减的光信号进行准直。 在一些实施例中,可变衰减器产生衰减的信号部分和未衰减的信号部分。 衰减信号由可变衰减器引导到可用于测量衰减的光信号的功率的光功率检测器。 检测器将指示测量的信号发送到控制电子装置。 控制电子装置可操作以产生用于控制未衰减信号部分的衰减的控制信号,使其具有预定的功率电平。 未衰减的信号部分经由远心成像装置耦合到输出光纤中。
    • 5. 发明授权
    • Multi-fiber optical cable
    • 多光纤光缆
    • US5898811A
    • 1999-04-27
    • US787489
    • 1997-01-22
    • David DiGiovanniJoseph E. Ford
    • David DiGiovanniJoseph E. Ford
    • G02B6/44
    • G02B6/4482G02B6/441
    • A visually-distinguishable fiber pair in a shared coating, a method for making uncoated visually-distinguishable fiber, and a fiber-optic system using a visually-distinguishable fiber and a dark fiber in a shared coating are disclosed. To form the visually-distinguishable fiber, a marker is incorporated onto or into uncoated optical fiber. The marker can be applied to the cladding of the fiber, to a buffer layer disposed on the cladding layer, or integrated in a boule from which an optical fiber is drawn. In a further aspect, a marked fiber is paired with an unmarked fiber or a differently-marked fiber creating a visually-distinguishable fiber pair. The distinguishable paired fibers are then coated with plastic.
    • 公开了一种共享涂层中视觉上可区分的光纤对,用于制造未涂覆的视觉区分的光纤的方法,以及在共享涂层中使用视觉上可区分的光纤和暗光纤的光纤系统。 为了形成视觉上可辨别的纤维,将标记物结合到未涂覆的光纤上或未涂覆的光纤上。 标记可以施加到纤维的包层上,到涂覆在包层上的缓冲层,或者集成在一个从中拉出光纤的毛坯上。 在另一方面,标记的纤维与未标记的纤维或不同标记的纤维配对,产生视觉上可区分的纤维对。 然后用塑料涂覆可区分的成对纤维。
    • 6. 发明授权
    • Fourier-plane photonics package
    • 傅立叶平面光子学封装
    • US5857048A
    • 1999-01-05
    • US712530
    • 1996-09-11
    • Mark D. FeuerJoseph E. Ford
    • Mark D. FeuerJoseph E. Ford
    • G02B6/26G02B6/34G02B6/38G02B6/42H04B10/272G02B6/36
    • G02B6/4246G02B6/266G02B6/3833G02B6/29361G02B6/4249
    • A photonics package, and methods for its use are disclosed. In one configuration, a collimating lens is disposed between a photonics device and a ferrule containing two optical fibers. Preferably, one of the fibers delivers an optical signal to the photonics device, and the other fiber receives an optical signal from the photonics device. The fibers within the dual-fiber ferrule are located off of the optical axis of the lens so that light emanating from the signal-delivering fiber will be imaged onto the photonics device at a slight angle from the normal and may be reflected at the same angle for coupling into the signal-receiving fiber. Preferably, the photonics device is situated at the Fourier plane to facilitate coupling reflected light into the signal-receiving fiber. The function of the photonics package varies with the included photonics device. For example, the package can function as a data receiver, a data transmitter and a data transceiver by incorporating, respectively, a photodetector, an optical modulator, and a transceiver. The photonics package, which can be integrated in optical communications networks, allows for incoming and outgoing signals to be handled on separate fibers, obviating the need for a splitter as required in one fiber systems. A decrease in signal loss throughout the optical communications system can thus be realized.
    • 公开了一种光子学封装及其使用方法。 在一种配置中,准直透镜设置在光子器件和包含两根光纤的套圈之间。 优选地,光纤之一将光信号传送到光子器件,而另一光纤从光子器件接收光信号。 双光纤套圈内的光纤位于透镜的光轴之外,使得从信号传送光纤发出的光将以与法线成微小的角度成像到光子器件上,并且可以以相同的角度反射 用于耦合到信号接收光纤中。 优选地,光子器件位于傅立叶平面以便于将反射光耦合到信号接收光纤中。 光子封装的功能随着光子器件的不同而不同。 例如,封装可以分别并入光电检测器,光调制器和收发器中,用作数据接收器,数据发射器和数据收发器。 可以集成在光通信网络中的光子封装允许在单独的光纤上处理输入和输出信号,从而避免了在一个光纤系统中需要的分离器。 因此可以实现整个光通信系统中的信号损失的减少。
    • 9. 发明授权
    • Reduction of modal noise in step-index fiber bundles
    • 降低步进折射率纤维束中的模态噪声
    • US06577420B1
    • 2003-06-10
    • US09427682
    • 1999-10-27
    • Joseph E. FordAshok V. Krishnamoorthy
    • Joseph E. FordAshok V. Krishnamoorthy
    • H04B1000
    • H04B10/801G02B6/0288G02B6/04G02B6/14
    • A step-index fiber bundle utilized in communicating optical Gigabit Ethernet signals from multiple Gigabit Ethernet optical transceiver interfaces directly to an array of Gigabit Ethernet receivers and lasers integrated on an optoelectronic-VLSI chip, with the step-index fibers in the bundle having core sizes between 50 um and 60 um to facilitate the fabrication of the bundles. The step-index fiber is selected to exhibit a numerical aperture between 0.19 and 0.25 to cooperate with a standard Gigabit Ethernet 50 um graded-index fiber jumper between each individual transmitter interface and the fiber bundle, and with a standard Gigabit Ethernet 62.5 um graded-index fiber jumper between each individual receiver interface and the corresponding integrated laser in ensuring that substantially all of the light coupled from each transmitter interface is collected by the corresponding step-index fiber and delivered to the corresponding detectors on the optoelectronic-VLSI chip and so that substantially all of the light coupled into the step-index fiber from the integrated lasers is collected and delivered to the corresponding individual receiver interface.
    • 用于将来自多个千兆以太网光收发器接口的光千兆以太网信号直接传递到集成在光电子VLSI芯片上的千兆以太网接收器和激光器阵列的步进折射光纤束,束中的阶跃折射率光纤具有核心尺寸 在50和60微米之间,以方便制造束。 选择阶跃折射率光纤以显示0.19和0.25之间的数值孔径,以与每个单独的发射器接口和光纤束之间的标准千兆比特以太网50 um分级折射率光纤跳线配合,并使用标准千兆以太网62.5 um分级 - 确保每个单独的接收器接口和相应的集成激光器之间的折射率光纤跳线确保从每个发射器接口耦合的基本上所有的光被相应的阶跃折射率光纤收集并传送到光电子VLSI芯片上的对应的检测器,并且使得 从集成激光器耦合到阶跃折射率光纤中的基本上所有的光被收集并传送到相应的单独的接收器接口。