公开(公告)号：US4615031A

公开(公告)日：1986-09-30

申请号：US514066

申请日：1983-07-15

Applicant: Brian A. Eales ,  Terry Bricheno ,  Norman D. Leggett ,  John E. U. Ashton

Inventor： Brian A. Eales ,  Terry Bricheno ,  Norman D. Leggett ,  John E. U. Ashton

IPC: G02B6/36 ,  H01S3/00 ,  H01S5/022 ,  H01S5/024 ,  H01S3/045

CPC classification number: H01S5/02415 ,  H01S5/02208 ,  H01L2224/48091 ,  H01S5/02276 ,  H01S5/02284 ,  H01S5/06804

Abstract: A hermetically sealed injection laser package is made by first forming a sub-assembly of a monitoring photodiode (50) on a metal support member (53) and welding it to a heat sink (30) on which the laser (31) is mounted. The heat sink is secured inside the package housing (10) and then a further sub-assembly, comprising a plastics packaged optical fiber (60) hermetically sealed in a fiber support tube (61), is introduced through an aperture in one wall of the housing. Anchorage means (70) is laser beam welded to this tube and to the heat sink to secure the inner end in position for optimum optical coupling between the laser and the fiber.

Abstract translation: 通过首先在金属支撑构件（53）上形成监视光电二极管（50）的子组件并将其焊接到其上安装有激光器（31）的散热器（30）上来制造密封的注射激光器封装。 散热器被固定在封装壳体（10）内，然后将气密密封在光纤支撑管（61）中的塑料封装光纤（60）的另一个子组件通过一个壁的一个孔 住房。 锚定装置（70）是激光束焊接到该管和散热器，以将内端固定在适当位置，以实现激光与光纤之间的最佳光耦合。

公开(公告)号：US4474431A

公开(公告)日：1984-10-02

申请号：US558259

申请日：1983-12-05

Applicant: Terry Bricheno

Inventor： Terry Bricheno

IPC: G02B6/28 ,  G02B6/42 ,  G02B6/44 ,  G02B5/172

CPC classification number: G02B6/441 ,  G02B6/2821 ,  G02B6/2835 ,  G02B6/4246

Abstract: An optical fibre directional coupler has first and second optical fibres clamped together by a piece of low index heat-shrunk tubing 12. The first fibre consists solely of a core 10 and cladding 11 while the second has a core 13 a primary cladding 14 whose cross-sectional area is larger than that of the core, and a secondary cladding 15. The outermost layer of each fibre is absent over a portion of its length within the tubing 12 so that the core 10 of the first is in intimate contact with the primary cladding 14 of the second. The second fibre may have a mode stripper 45 to strip modes guided by the primary/secondary cladding interface. Fibre break detection apparatus and a single-fibre two-way transmission system are described which use such directional couplers.

Abstract translation: 光纤定向耦合器具有通过一片低折射率热收缩管12夹持在一起的第一和第二光纤。第一光纤仅由芯10和包层11组成，而第二光纤具有芯13，其具有主包层14， 切割区域大于芯部的面积，以及次级包层15.每个纤维的最外层在管12内的长度的一部分上不存在，使得第一个的芯10与主要部分紧密接触 包层14的第二。 第二光纤可以具有模式剥离器45，以剥离由主/辅覆层界面引导的模式。 描述了使用这种定向耦合器的光纤断裂检测装置和单纤双向传输系统。