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    • 1. 发明申请
    • COATING METHODS AND APPARATUS FOR MAKING A CIGS SOLAR CELL
    • 用于制造CIGS太阳能电池的涂覆方法和装置
    • US20090215224A1
    • 2009-08-27
    • US12034715
    • 2008-02-21
    • Wei-Zhong LiKen Tang
    • Wei-Zhong LiKen Tang
    • H01L21/06C23C16/00C23C14/34
    • H01L21/67207C23C14/14C23C14/568C23C14/5866H01L21/02568H01L21/02614H01L21/67011H01L31/0322Y02E10/541Y02P70/521
    • A method for manufacturing a thin film solar cell involves applying an inductively-coupled-plasma during the deposition of selenium. A precursor thin film is formed. The precursor thin film can include copper, indium, and gallium. The inductively-coupled-plasma is applied to the selenium as the selenium is deposited into the precursor thin film to produce the thin film. The selenium is deposited into precursor thin film by evaporation, sputtering, or using a reactive gas. An inert gas is used as a carry and discharge gas. The precursor thin film and the selenium are deposited using a deposition system. The deposition system includes an inductively-coupled-plasma device. The inductively-coupled-plasma device includes a quartz plate, a plasma discharge coil, and an inlet system. The deposition can be an in-line system, a roll-to-roll system, or a hybrid system.
    • 制造薄膜太阳能电池的方法包括在硒的沉积期间施加电感耦合等离子体。 形成前体薄膜。 前体薄膜可以包括铜,铟和镓。 当硒沉积到前体薄膜中以产生薄膜时,电感耦合等离子体被施加到硒。 硒通过蒸发,溅射或使用反应性气体沉积到前体薄膜中。 使用惰性气体作为携带和排出气体。 使用沉积系统沉积前体薄膜和硒。 沉积系统包括电感耦合等离子体装置。 电感耦合等离子体装置包括石英板,等离子体放电线圈和入口系统。 沉积可以是在线系统,卷对卷系统或混合系统。
    • 3. 发明授权
    • Method and system for splitting or combining optical signal
    • 光信号分离或组合的方法和系统
    • US06353691B1
    • 2002-03-05
    • US09492966
    • 2000-01-27
    • Wei Zhong LiYanfeng Yang
    • Wei Zhong LiYanfeng Yang
    • G02B600
    • G02B6/29302G02B6/2713G02B6/2773
    • A method and system for providing a splitter/combiner is disclosed. The splitter/combiner includes a first birefringent wedge having a first optic axis and a first wedge angle and a second birefringent wedge having a second optic axis and a second wedge angle. The second birefringent wedge is optically coupled with the first birefringent wedge. The second wedge angle is complementary to the first wedge angle. The second optic axis is perpendicular to the first optic axis such that an extraordinary signal for the first birefringent wedge is an ordinary signal for the second birefringent wedge. The first and second birefringent wedges establish a first path for a first portion of a first optical signal and establish a second path for a second portion of the first optical signal. The first path and the second path are separated by an angle. The first optical signal travels from the first birefringent wedge to the second birefringent wedge. The first birefringent wedge and the second birefringent wedge also combine a second optical signal travelling along the first path with a third optical signal travelling along the second path. The second optical signal and the third optical signal travel from the second birefringent wedge to the first birefringent wedge.
    • 公开了一种用于提供分路器/组合器的方法和系统。 分路器/组合器包括具有第一光轴和第一楔形角的第一双折射楔和具有第二光轴和第二楔角的第二双折射楔。 第二双折射楔与第一双折射楔光学耦合。 第二楔形角度与第一楔形角度互补。 第二光轴垂直于第一光轴,使得第一双折射楔的非常信号是用于第二双折射楔的普通信号。 第一和第二双折射楔构成第一光信号的第一部分的第一路径,并为第一光信号的第二部分建立第二路径。 第一路径和第二路径被分开一个角度。 第一光信号从第一双折射楔移动到第二双折射楔。 第一双折射楔和第二双折射楔还结合沿着第一路径行进的第二光信号和沿着第二路径行进的第三光信号。 第二光信号和第三光信号从第二双折射楔移动到第一双折射楔。
    • 4. 发明授权
    • Method and system for providing an optical circulator
    • 提供光循环器的方法和系统
    • US06178044B1
    • 2001-01-23
    • US09387206
    • 1999-08-31
    • Wei Zhong LiYan Tang
    • Wei Zhong LiYan Tang
    • G02B530
    • G02B5/3083G02B6/2746G02F1/093Y10S359/90Y10S372/703
    • A method and system for providing an optical circulator is disclosed. The optical circulator includes a first port, a second port, a third port, and means for establishing a first optical path and a second optical path. The first optical path is from the first port to the second port. The second optical path is from the second port to the third port. The optical path establishing means also includes a wedge and a first birefringent material. The wedge intersects the second optical path but not the first optical path. The wedge is for ensuring that the second optical path includes the third port but not the first port. The wedge does so by deflecting an optical signal input from the second port, but not an optical signal from the first port. The first birefringent material intersects the first optical path and the second optical path and is disposed between the wedge and the second port along the second optical path. The first birefringent material is for ensuring that the second optical path includes the third port but not the first port and for ensuring that the first optical path includes the second port.
    • 公开了一种用于提供光循环器的方法和系统。 光循环器包括第一端口,第二端口,第三端口以及用于建立第一光路和第二光路的装置。 第一光路是从第一端口到第二端口。 第二光路是从第二端口到第三端口。 光路建立装置还包括楔形物和第一双折射材料。 楔形物与第二光路相交,但不与第一光路相交。 楔形件用于确保第二光路包括第三端口而不包括第一端口。 楔形物通过偏转从第二端口输入的光信号而不是来自第一端口的光信号来实现。 第一双折射材料与第一光路和第二光路相交,并沿第二光路设置在楔与第二端之间。 第一双折射材料用于确保第二光路包括第三端口而不包括第一端口,并且用于确保第一光路包括第二端口。
    • 5. 发明授权
    • Optical interleavers with minimized dispersion
    • 具有最小化色散的光交织器
    • US06441960B1
    • 2002-08-27
    • US09653759
    • 2000-09-01
    • Mark S. WangWei-Zhong Li
    • Mark S. WangWei-Zhong Li
    • G02B530
    • G02B6/272G02B6/2766G02B6/29302G02B6/29361G02B6/29386G02B6/29394G02B27/283H04J14/02H04J14/06
    • The present invention provides a line of optical interleavers in which a novel beam-swapping element is utilized. The beam-swapping element of the present invention provides an effective and inexpensive alternative to polarization rotators and birefrigent elements employed in the prior art optical interleavers, hence rendering a simple and low-cost assembly to the optical interleavers of the present invention. The optical interleavers of the present invention further advantageously exploit a combination of two wavelength filters to cancel out wavelength-filter-induced-dispersion. Efforts are also painstakingly made in the optical interleavers of the present invention to substantially minimize other dispersion effects. As such, the optical interleavers of the present invention constitute the first kind in the art in which various dispersion effects are substantially minimized. Such characteristics would be highly desirable in fiber-optic networks. The optical interleavers of the present invention can be advantageously configured as multiplexers, de-multiplexers, or routers.
    • 本发明提供了一种光交错器,其中使用了一种新的光束交换元件。 本发明的光束交换元件为现有技术的光学交织器中使用的偏振旋转器和双折射元件提供了有效且便宜的替代方案,因此为本发明的光交错器提供简单且低成本的组件。 本发明的光交织器进一步有利地利用两个波长滤波器的组合来抵消波长滤波器诱导的色散。 在本发明的光学交织器中也努力地进行了努力,以使其它分散效果基本上最小化。 因此,本发明的光学交织器构成了本领域的第一种,其中各种色散效应基本上最小化。 这种特性在光纤网络中将是非常需要的。 本发明的光交织器可以有利地配置为多路复用器,解复用器或路由器。
    • 6. 发明授权
    • Multiple-channel optical filter
    • 多通道滤光片
    • US06272264B1
    • 2001-08-07
    • US09348728
    • 1999-07-06
    • Wei Zhong LiFeng LiuWenhui WangWei Luo
    • Wei Zhong LiFeng LiuWenhui WangWei Luo
    • G02B626
    • G02B6/2937G02B6/29395
    • A method and system for providing an optical filter is disclosed. The method and system include providing a first fiber for carrying a first optical signal and a second fiber for carrying a second optical signal. The first fiber has an end. The method and system also include providing a filter and a lens disposed between the filter and the end of the first fiber. The filter has a surface and is for filtering the first optical signal to provide the second optical signal. The lens has an axis and is for collimating the first optical signal. A normal to the surface of the filter is disposed at a first nonzero angle to the axis. The first optical signal has a first direction of propagation at the surface of the filter. The first direction of propagation is disposed at a second nonzero angle from the normal to the surface of the filter. The filter can be tuned by rotating the filter around the axis. Furthermore, additional fibers can be added to simultaneously filter multiple channels.
    • 公开了一种用于提供滤光器的方法和系统。 该方法和系统包括提供用于承载第一光信号的第一光纤和用于承载第二光信号的第二光纤。 第一根纤维结束了。 该方法和系统还包括提供过滤器和布置在过滤器和第一纤维的端部之间的透镜。 滤波器具有表面,并且用于对第一光信号进行滤波以提供第二光信号。 透镜具有轴并用于准直第一光信号。 过滤器表面的法线设置成与轴线成非零的第一角度。 第一光信号在滤光器表面具有第一传播方向。 传播的第一方向被布置在距过滤器表面的法线的第二非零角度。 可以通过围绕轴旋转过滤器来调整过滤器。 此外,可以添加额外的纤维以同时过滤多个通道。
    • 7. 发明授权
    • Optical isolator
    • 光隔离器
    • US06987896B1
    • 2006-01-17
    • US10119627
    • 2002-04-09
    • Wei-Zhong LiQingdong Guo
    • Wei-Zhong LiQingdong Guo
    • G02B6/00
    • G02B6/2746G02F1/093
    • An optical isolator includes a non-reciprocal combination-device and a reflector. The non-reciprocal combination-device has a principal direction and includes a first birefringent wedge, a second birefringent wedge, and a non-reciprocal rotating element. The non-reciprocal rotating element can be a Faraday rotator. The reflector is positioned proximate to the second birefringent wedge, for reflecting light exiting from the non-reciprocal combination-device in the principal direction to reenter the non-reciprocal combination-device in a reverse principal direction. The optical isolator can include a lens that is optically coupled to the first wedge. The optical isolator can include a capillary for holding an input PM optical fiber and an output PM optical fiber. The optical isolator can also include a capillary for holding at least two input PM optical fibers and an output optical fiber.
    • 光隔离器包括不可逆组合装置和反射器。 不可逆组合装置具有主方向,并且包括第一双折射楔形物,第二双折射楔形物和不可逆旋转元件。 不可逆旋转元件可以是法拉第旋转器。 反射器位于靠近第二双折射楔的位置,用于在主方向上反射从不可逆组合装置出射的光,以在相反主方向上重新进入非可逆组合装置。 光隔离器可以包括光学耦合到第一楔形物的透镜。 光隔离器可以包括用于保持输入PM光纤和输出PM光纤的毛细管。 光隔离器还可以包括用于保持至少两个输入PM光纤和输出光纤的毛细管。
    • 8. 发明申请
    • Depolarizer
    • 去极化剂
    • US20050094919A1
    • 2005-05-05
    • US10986713
    • 2004-11-12
    • Wei-Zhong LiQingdong Guo
    • Wei-Zhong LiQingdong Guo
    • G02B6/26G02B6/00
    • G02B6/2746
    • An optical depolarizer includes a birefringent block, a reflector coupled to the block, a first input port for providing polarized light to the block and an output port configured to receive polarized light from the block. The depolarizer optionally includes a non-reciprocal combination-devicehaving a principal direction and including a first birefringent wedge, a second birefringent wedge, and a non-reciprocal rotating element. The non-reciprocal rotating element can be a Faraday rotator. The birefringent block can be optically coupled to the non-reciprocal combinatoin device. The optical depolarizer can include a lens that is optically coupled to the first wedge. The optical depolarizer can include a capillary for holding at least a PM optical fiber and an output optical fiber.
    • 光学去极化器包括双折射块,耦合到块的反射器,用于向块提供偏振光的第一输入端口和被配置为接收来自块的偏振光的输出端口。 去极化器可选地包括具有主方向并且包括第一双折射楔形物,第二双折射楔形物和不可逆旋转元件的不可逆组合装置。 不可逆旋转元件可以是法拉第旋转器。 双折射块可以光耦合到不可逆组合装置。 光学去极化器可以包括光学耦合到第一楔形物的透镜。 光学去极化器可以包括用于保持至少一个PM光纤和一个输出光纤的毛细管。
    • 9. 发明授权
    • Multi-port circulator
    • 多端口循环器
    • US06888971B2
    • 2005-05-03
    • US10859329
    • 2004-06-01
    • Wei-Zhong Li
    • Wei-Zhong Li
    • G02B6/26G02B6/34G02B6/00
    • G02F1/093G02B6/2746
    • An extendable four-port circulator includes a middle birefringent crystal, a first birefringent crystal, a first non-reciprocal device, a second birefringent crystal, and a second non-reciprocal device. The first non-reciprocal device is coupled to the first birefringent crystal. The second non-reciprocal device is coupled to the second birefringent crystal. The middle birefringent crystal includes a first surface, a second surface, a third surface, and a fourth surface. The first surface is coupled to the first non-reciprocal device. The second surface is coupled to the second non-reciprocal device. The third surface defines first and second extension interfaces. The fourth surface defines third and fourth extension interfaces. A multi-port circulator includes at least one extendable four-port circulator.
    • 可延伸的四端口环行器包括中间双折射晶体,第一双折射晶体,第一非可逆器件,第二双折射晶体和第二不可逆器件。 第一非互易器件耦合到第一双折射晶体。 第二不可逆器件耦合到第二双折射晶体。 中间双折射晶体包括第一表面,第二表面,第三表面和第四表面。 第一表面耦合到第一不可逆装置。 第二表面耦合到第二不可逆装置。 第三表面定义第一和第二扩展接口。 第四表面定义了第三和第四扩展接口。 多端口循环器包括至少一个可扩展的四端口循环器。
    • 10. 发明授权
    • Three-port circulator
    • 三端口循环器
    • US06873462B2
    • 2005-03-29
    • US10119785
    • 2002-04-09
    • Wei-Zhong Li
    • Wei-Zhong Li
    • G02F1/09G02B27/28
    • G02F1/093
    • A three-port circulator includes a non-reciprocal rotating element, a first birefringent wedge, and a second birefringent wedge. The non-reciprocal rotating element has a rotation axis and rotates the polarization of light passing through it by an predetermined angle. The first birefringent wedge has a first optical axis substantially perpendicular to the rotation axis. The second birefringent wedge has a second optical axis substantially perpendicular to both the rotation axis and the first optical axis. The second birefringent wedge is optically coupled between the non-reciprocal rotating element and the first birefringent wedge.
    • 三端口循环器包括不可逆旋转元件,第一双折射楔形物和第二双折射楔形物。 不可逆旋转元件具有旋转轴并使通过它的光的偏振旋转预定角度。 第一双折射楔具有基本上垂直于旋转轴线的第一光轴。 第二双折射楔具有基本上垂直于旋转轴线和第一光轴两者的第二光轴。 第二双折射楔形件光耦合在不可逆旋转元件和第一双折射楔之间。