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    • 13. 发明授权
    • High reflection isolation optical devices and the method for making the same
    • 高反射隔离光学器件及其制造方法
    • US07289733B1
    • 2007-10-30
    • US10838082
    • 2004-05-03
    • Chun He
    • Chun He
    • H04J14/02
    • G02B6/29362G02B6/2937G02B6/29383H04J14/0213
    • New designs of optical devices, particularly for adding or dropping a selected wavelength or a group of wavelengths as well as multiplexing a plurality of signals into a multiplexed signal or demultiplexing a multiplexed signal into several signals are disclosed. According to one aspect of the present invention, a reflected light beam from an optical filter is caused to go through the same optical filter at least one more time to minimize a residual signal embedded in the reflected light beam, wherein the residential signal is caused by the imperfect spectral characteristics of the optical filter. According to another aspect of the present invention, a reflective element is so positioned that the reflected light beam is bounced back to the optical filter. When the reflective element is another optical filter being substantially similar to that optical filter, the reflected light beam is equivalent to having transmitted. As a result, the residual signal in the reflected light beam is substantially minimized, resulting in great isolation for the R-channel from the T-channel.
    • 公开了新设计的光学装置,特别是用于将所选择的波长或一组波长添加或丢弃,以及将多个信号复用到多路复用信号中或将复用的信号解复用为若干信号。 根据本发明的一个方面,使来自滤光器的反射光束至少再次通过相同的滤光器,以使嵌入在反射光束中的残留信号最小化,其中住宅信号由 滤光片的光谱特性不完善。 根据本发明的另一方面,反射元件被定位成使得反射光束被反射回到滤光器。 当反射元件是与该滤光器基本相似的另一个滤光器时,反射光束等效于具有透射。 结果,反射光束中的残余信号基本上被最小化,从而导致来自T沟道的R通道的极大隔离。
    • 18. 发明授权
    • Solder-free packaging for integrated fiber optics device
    • 集成光纤设备的无焊包装
    • US07223026B1
    • 2007-05-29
    • US11127951
    • 2005-05-12
    • Chun HeSteven ZhuChuying Chen
    • Chun HeSteven ZhuChuying Chen
    • G02B6/36
    • G02B6/421G02B6/4206G02B6/423G02B6/4239
    • Techniques for packaging in an optical device and an opto-electrical conversion device are disclosed. According to one aspect of the techniques, the optical device is packaged in a piece of tubing and the opto-electrical conversion device is packaged in a TO-can. While the optical device and the opto-electrical conversion device are coaxially aligned, the tube and the TO-can are integrated by a certain amount of epoxy that is later cured by a UV light or heat. As a result, an integrated optical device is formed and enjoys features of small footprint, better alignment, enhanced impact performance, lower cost in addition to easier manufacturing process and environmental-safe.
    • 公开了用于光学装置和光电转换装置中的封装技术。 根据该技术的一个方面,光学装置被封装在管件中,光电转换装置封装在TO-罐中。 当光学器件和光电转换器件同轴对准时,管和TO-can可以通过一定量的环氧树脂进行整合,后者通过紫外光或热固化。 结果,形成了集成的光学器件,并且具有占地面积小,更好的对准,增强的冲击性能,更低的成本以及更容易的制造工艺和环境安全的特征。
    • 19. 发明授权
    • Optical device with concave mirror
    • 带凹面镜的光学装置
    • US06999656B1
    • 2006-02-14
    • US10794081
    • 2004-03-04
    • Chun HeTsay Wei-Shin
    • Chun HeTsay Wei-Shin
    • G02B6/26
    • G02B6/29368G02B6/2938G02B6/29383
    • New designs of optical devices, particularly for adding or dropping a selected wavelength or a group of wavelengths are disclosed. In one aspect, no collimators or the like are used. Instead, two fibers are coupled effectively via a concave mirror. Depending on the shape of the concave mirror that may have a shape substantially similar to a portion of an oblate spheroid or sphere, the facets or tips of these two fibers are positioned near or upon the foci of the oblate spheroid or the center of the sphere. Utilizing the special characteristics of the concave mirror, these two fibers can be optically coupled with minimal loss and without the use of any optical collimators.
    • 公开了新设计的光学器件,特别是用于添加或降低所选波长或一组波长的光学器件。 一方面,不使用准直仪等。 相反,两根光纤通过凹面镜有效耦合。 取决于凹面镜的形状,其可以具有与扁圆球体或球体的一部分基本相似的形状,这两个纤维的小面或尖端位于扁球体或球体中心附近或之上 。 利用凹面镜的特殊特性,这两种光纤可以以最小的损耗光学耦合,而不使用任何光学准直仪。
    • 20. 发明授权
    • Optical add/drop apparatus and the method for making the same
    • 光学分插装置及其制造方法
    • US06894846B1
    • 2005-05-17
    • US10698176
    • 2003-10-30
    • Chun HeSteven Zhu
    • Chun HeSteven Zhu
    • G02B6/293G02B6/34G02B13/00
    • G02B6/29383G02B6/2937
    • New designs of optical devices, particularly for adding or dropping a selected wavelength or a group of wavelengths are disclosed. In one embodiment, an optical filter is positioned a distance from a first lens to form an assembly with a mechanical axis. The optical filter is configured at a selected wavelength and reflecting light beams at wavelengths other than the selected wavelength and transmitting a light beam at the selected wavelength. The distance is obtained with respect to a reflection measurement of a light beam at a wavelength other than the selected wavelength such that the reflection measurement is minimized. A second lens is initially positioned towards the optical filter. Before being fixed with respect to the assembly, the second lens is laterally shifted from the mechanical axis of the assembly to collect with a minimum loss a light beam refracted from the assembly. Such lateral shift also benefits when a light beam comes out from the second lens.
    • 公开了新设计的光学器件,特别是用于添加或降低所选波长或一组波长的光学器件。 在一个实施例中,光学滤光器与第一透镜定位成一定距离以形成具有机械轴线的组件。 滤光器被配置在所选择的波长处,并且以不同于所选波长的波长反射光束并且以选定的波长透射光束。 相对于除了所选择的波长以外的波长的光束的反射测量获得距离,使得反射测量被最小化。 最初将第二透镜朝向光学滤光器定位。 在相对于组件固定之前,第二透镜从组件的机械轴线横向移位,以最小的损失收集从组件折射的光束。 当光束从第二透镜出来时,这种横向偏移也是有益的。