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1. CN113866866 - Fiber bragg grating inscribing device and fiber bragg grating inscribing method

Office
China
Application Number 202010608570.4
Application Date 30.06.2020
Publication Number 113866866
Publication Date 31.12.2021
Publication Kind A
IPC
G02B 6/02
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
02Optical fibre with cladding
CPC
G02B 6/02123
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
02Optical fibre with cladding ; with or without a coating
02057comprising gratings
02076Refractive index modulation gratings, e.g. Bragg gratings
02123characterised by the method of manufacture of the grating
G02B 6/02
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
02Optical fibre with cladding ; with or without a coating
Applicants HUAWEI TECHNOLOGIES CO., LTD.
华为技术有限公司
Inventors ZHANG LIN
张林
HE MENGXIA
贺梦霞
YANG ZHIQUN
杨志群
WANG XUTAO
王序涛
GUO RUI
郭睿
ZHOU RUI
周锐
GUO QIANG
郭强
Agents 北京龙双利达知识产权代理有限公司 11329
北京龙双利达知识产权代理有限公司 11329
Title
(EN) Fiber bragg grating inscribing device and fiber bragg grating inscribing method
(ZH) 光纤光栅刻写装置和光纤光栅刻写方法
Abstract
(EN) The invention provides a fiber bragg grating inscribing device and a fiber bragg grating inscribing method. The fiber bragg grating inscribing device comprises at least one set of laser system, at least one set of light sheet generation system and a displacement table. The laser system is used for emitting light for writing; the light sheet generation systems are used for enabling light to pass through to form a light sheet, the light sheet is a sheet-shaped light field, the thickness direction of the light sheet is along the axial direction of the optical fiber, and a plane formed by the width direction and the length direction of the light sheet is parallel to the radial cross section of the optical fiber; and the displacement table is used for loading and periodically moving the optical fiber, so that the optical fiber is exposed under the light sheet to complete grating inscribing of the optical fiber. According to the fiber bragg grating inscribing device provided by the invention, the optical fiber periodically moving on the displacement table is exposed by forming the light sheet in the space, so that inscribing of the fiber bragg grating can be realized, and the inscribing efficiency can be greatly improved.
(ZH) 本申请提供了一种光纤光栅刻写装置和光纤光栅刻写方法,该光纤光栅刻写装置包括至少一组激光系统和光片生成系统,以及位移台。激光系统用于发出用于刻写的光;光片生成系统用于使光通过以形成光片,光片为片状光场,光片的厚度方向沿光纤的轴向,光片的宽度方向和长度方向形成的平面与光纤的径向横截面平行;位移台用于装载并周期性移动光纤,使光纤曝光在光片下以完成光纤的光栅刻写。本申请提供的光纤光栅刻写装置通过在空间形成光片对位移台上周期性移动的光纤进行曝光,可以实现光纤光栅的刻写,能够大幅提升刻写效率。
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