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公开(公告)号：US10603744B2
公开(公告)日：2020-03-31
申请号：US16213616
申请日：2018-12-07
Applicant: Lumentum Operations LLC
Inventor： Changgeng Ye , Hongbo Yu , Martin H. Muendel
IPC: G02B6/26 , B23K26/035 , C03C25/105 , G02B6/28 , C03C25/12
Abstract: A method of manufacturing a side-coupling structure, associated with coupling an aiming beam from an aiming beam fiber into a laser beam fiber, may include removing a coating from a section of the laser beam fiber and removing a coating from a section of the aiming beam fiber. The method may further include bringing the section of the aiming beam fiber in physical contact with the section of the laser beam fiber in order to create the side-coupling structure. The method may further include recoating the section of the laser beam fiber and the section of the aiming beam fiber in order to coat the side-coupling structure.
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2.发明授权公开(公告)号：US09377593B2
公开(公告)日：2016-06-28
申请号：US14547183
申请日：2014-11-19
Applicant: Lumentum Operations LLC
Inventor： Xiuquan Ma , Hongbo Yu , Martin H. Muendel
CPC classification number: G02B6/4221 , G01M11/33 , G02B6/2555 , G02B6/3656 , G02B6/3801 , H04B10/2581
Abstract: Alignment of a multimode waveguide to a source of light or another waveguide is evaluated using a multi-wavelength light source and a modal decomposition processing of an intensity profile of a waveguide output beam, wherein inter-modal interference is averaged out over wavelength. Fitting a superposition of mode intensity profiles to a wavelength-averaged intensity profile of the output beam provides information about the modal composition of the output beam, which may be used to assess the alignment of the multimode waveguide with respect to the input light beam, and to provide a feedback for guiding a waveguide alignment process.
Abstract translation: 使用多波长光源和波导输出光束的强度分布的模态分解处理来评估多模波导到光源或另一波导的对准，其中在波长上平均化了模式间干扰。 将模式强度分布的叠加装配到输出光束的波长平均强度分布中提供关于输出光束的模态组成的信息，其可以用于评估多模波导相对于输入光束的对准，以及 以提供用于引导波导对准过程的反馈。
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