Manufacture of high-performance G.657 single-mode optical fiber by using three-step preform technology

Chen Wei; Li Shiyu; Mo Qi; Luo Wenyong; Wang Dongxiang; Ke Yili; Lei Qiong

doi:10.13756/j.gtxyj.2014.01.001

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Manufacture of high-performance G.657 single-mode optical fiber by using three-step preform technology

- Manufacture of high-performance G.657 single-mode optical fiber by using three-step preform technology
- Study on Optical communication Issue 1, Pages: 34-36(2014)
- 作者机构：
  
  1. 光纤通信技术和网络国家重点实验室
  2. 烽火通信科技股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2014.01.001
  CLC： TN253
- Published：2014，
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[1]陈伟,李诗愈,莫琦,罗文勇,王冬香,柯一礼,雷琼.采用“三步法”技术制造高性能的G.657单模光纤[J].光通信研究,2014(01):34-36+52.

Chen Wei, Li Shiyu, Mo Qi, et al. Manufacture of high-performance G.657 single-mode optical fiber by using three-step preform technology. [J]. (1):34-36(2014)
[1]陈伟,李诗愈,莫琦,罗文勇,王冬香,柯一礼,雷琼.采用“三步法”技术制造高性能的G.657单模光纤[J].光通信研究,2014(01):34-36+52. DOI： 10.13756/j.gtxyj.2014.01.001.

Chen Wei, Li Shiyu, Mo Qi, et al. Manufacture of high-performance G.657 single-mode optical fiber by using three-step preform technology. [J]. (1):34-36(2014) DOI： 10.13756/j.gtxyj.2014.01.001.

摘要

首先介绍了G.657单模光纤制造技术的演进情况

然后提出采用"三步法"制造G.657弯曲不敏感单模光纤的工艺技术

设计并制造出两种类型的弯曲不敏感单模光纤。其中

G.657A2光纤在弯曲半径为7.5mm时

1 550和1 625nm波长的弯曲损耗分别为0.063和0.136dB

1 383和1550nm波长的衰减系数分别为0.272和0.188dB/km;G.657B3光纤在弯曲半径为5mm时

1 550和1 625nm波长的弯曲损耗分别为0.067和0.122dB

1 383和1 550nm波长的衰减系数分别为0.276和0.182dB/km。测试结果表明

该"三步法"预制棒技术能够生产出高抗弯、低损耗的小弯曲半径单模光纤

该光纤的关键技术指标均优于ITU-T国际标准。

Abstract

This letter first introduces the evolution of the manufacturing technologies for G.657single-mode optical fibers. Then it presents the"Three-Step"preform technology for manufacturing bend-insensitive G.657single-mode fibers and designs and fabricates two types G.657fibers

G657A2and G.657B3.They are tested respectively.When the bending radius of G657A2fiber is 7.5mm

its bending losses at 1 550and 1 625nm wavelengths are 0.063and 0.136dB respectively and its attenuation coefficients at 1 383and 1 550nm wavelengths are 0.272and 0.188dB/km

while when the bending radius of G. 657B3fiber is 5mm

its bending losses at 1 550and 1 625nm wavelengths are 0.067and 0.122dB respectively and its attenuation coefficients at 1 383and 1 550nm wavelengths are 0.276and 0.182dB/km respectively.The test results indicate that the presented technology produces high bend-resistant low-loss small bending-radius single-mode fibers and their key specifications are all better than the ITU-T G.657standard.

关键词

光纤弯曲不敏感三步法预制棒制造工艺

Keywords

optical fiberbend-insensitivethree-step methodpreformmanufactureProcess

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