公开(公告)号：EP0905834A3

公开(公告)日：1999-04-21

申请号：EP98307020.2

申请日：1998-09-01

Applicant: LUCENT TECHNOLOGIES INC.

Inventor： DiGiovanni, David John ,  Windeler, Robert Scott

IPC: H01S3/06 ,  G02B6/22

CPC classification number: G02B6/02352 ,  C03B37/01205 ,  C03B2203/14 ,  G02B6/021 ,  G02B6/02366 ,  G02B6/02371 ,  G02B6/02395 ,  G02B6/03605 ,  G02B6/03683 ,  H01S3/06708 ,  H01S3/094003 ,  Y02P40/57

Abstract: Optical fiber (10) according to the invention comprises a core (11), with an inner cladding (12) surrounding the core, and an outer cladding surrounding the inner one. The fiber comprises preform-derived glass. The outer cladding comprises a first outer cladding region (13) between the inner cladding region and a second outer cladding region (14). The first outer cladding region is selected to have an effective refractive index less than 1.35, and such that the optical characteristics of the optical fiber are essentially independent of the second outer cladding, and/or such that the fiber is re-coat insensitive. The first outer cladding typically comprises elongate features extending in the fiber axial direction, with a web material joining the inner cladding to the second outer cladding. The elongate features are filled with a low-index material, exemplarily air, but could of course be evacuated. Fibers according to the invention have many uses, e.g., cladding-pumped optical fiber or fiber with a long period grating.

Abstract translation: 根据本发明的光纤（10）包括具有围绕芯的内包层（12）的芯（11），以及围绕内芯的外包层。 该纤维包含预制品衍生的玻璃。 外包层包括在内包层区域和第二外包层区域（14）之间的第一外包层区域（13）。 第一外包层区域被选择为具有小于1.35的有效折射率，并且使得光纤的光学特性基本上独立于第二外包层，和/或使得纤维被重新涂布不敏感。 第一外包层通常包括在光纤轴向方向上延伸的细长特征，网状材料将内包层连接到第二外包层。 细长部件填充有低折射率材料，例如空气，但当然可以被抽空。 根据本发明的光纤具有许多用途，例如具有长周期光栅的包层泵浦光纤或光纤。

公开(公告)号：EP0905834A2

公开(公告)日：1999-03-31

申请号：EP98307020.2

申请日：1998-09-01

Applicant: LUCENT TECHNOLOGIES INC.

Inventor： DiGiovanni, David John ,  Windeler, Robert Scott

IPC: H01S3/06 ,  G02B6/22

CPC classification number: G02B6/02352 ,  C03B37/01205 ,  C03B2203/14 ,  G02B6/021 ,  G02B6/02366 ,  G02B6/02371 ,  G02B6/02395 ,  G02B6/03605 ,  G02B6/03683 ,  H01S3/06708 ,  H01S3/094003 ,  Y02P40/57

Abstract: Optical fiber (10) according to the invention comprises a core (11), with an inner cladding (12) surrounding the core, and an outer cladding surrounding the inner one. The fiber comprises preform-derived glass. The outer cladding comprises a first outer cladding region (13) between the inner cladding region and a second outer cladding region (14). The first outer cladding region is selected to have an effective refractive index less than 1.35, and such that the optical characteristics of the optical fiber are essentially independent of the second outer cladding, and/or such that the fiber is re-coat insensitive. The first outer cladding typically comprises elongate features extending in the fiber axial direction, with a web material joining the inner cladding to the second outer cladding. The elongate features are filled with a low-index material, exemplarily air, but could of course be evacuated. Fibers according to the invention have many uses, e.g., cladding-pumped optical fiber or fiber with a long period grating.

Abstract translation: 根据本发明的光纤（10）包括具有围绕芯的内包层（12）的芯（11）和围绕内芯的外包层。 纤维包括预制件衍生的玻璃。 外包层包括在内包层区域和第二外包层区域（14）之间的第一外包层区域（41,42,43）。 第一外包层区被选择为具有小于1.35的有效折射率，并且使得光纤的光学特性基本上独立于第二外包层和/或使得纤维重新涂层不敏感。 第一外包层通常包括在纤维轴向方向上延伸的细长特征（42,43），其中腹板材料（41）将内包层连接到第二外包层。 细长特征填充有低折射率材料，示例性地为空气，但当然可以被排空。 根据本发明的纤维具有许多用途，例如具有长周期光栅的包层泵浦光纤或光纤。