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G657B3超抗弯光纤 - 工厂直供

安讯光纤有限公司
已认证 定制生产厂家 · 7 年 · 中国 China
可定制 超低价
$8 1-49 千米 基准价
$8 50-99 千米 0% 优惠
$7 ≥100 千米 12.5% 优惠
价格有效期:随行就市

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最小起订量: 1 千米

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商品小计 US$ 8.00
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G657B3超抗弯光纤技术规格

属性参数描述
产品名称G657B3 超强抗弯曲单模光纤适用于狭小空间和恶劣环境安装的极致抗弯曲光纤
光纤类别ITU-T G.657.B3 / IEC 60793-2-50 B-657-B3B3 类别在 G.657 系列中提供最高的弯曲耐受性
标准符合性ITU-T G.657B3, IEC 60793-2-50, TIA-492AAAE符合国际单模抗弯曲光纤标准
纤芯直径9.0 ± 0.4 µm标准 SMF 纤芯,与 G.652D 熔接兼容
包层直径125.0 ± 0.7 µm标准 125 µm 玻璃包层
涂覆层直径245 ± 5 µm(标准)/ 200 ± 5 µm(缩减)双层 UV 固化丙烯酸酯涂覆层;可提供缩减涂覆层用于紧套设计
衰减≤ 0.40 dB/km @ 1310 nm;≤ 0.30 dB/km @ 1550 nm;≤ 0.40 dB/km @ 1625 nm依据 IEC 60793-2-50,在 O、C 和 L 波段具有低衰减
宏弯损耗(R=5 mm)≤ 0.15 dB/turn @ 1550 nm;≤ 0.45 dB/turn @ 1625 nm在 5 mm 半径下具有卓越的弯曲性能——B3 的关键差异化优势
宏弯损耗(R=7.5 mm)≤ 0.08 dB/turn @ 1550 nm;≤ 0.25 dB/turn @ 1625 nm适用于微管、FTTH 引入光缆和室内布线
数值孔径0.20 ± 0.02针对高效光耦合和与 G.652D 的低熔接损耗进行优化
零色散波长1300 nm – 1324 nm依据 ITU-T G.657B3,具有一致的色散性能
筛选测试水平≥ 100 kpsi (0.69 GPa)标准筛选;可根据要求提供 200 kpsi 用于恶劣环境
工作温度-60°C 至 +85°C宽温度范围,适用于户外、工业及 FTTA 应用
应用FTTH/FTTX 最后一公里、室内布线、微管、MDU、数据中心、5G 前传非常适合需要紧弯曲、小导管或空间受限布线的场合
认证RoHS、REACH、UL(线缆级)、CE;可提供 TÜV 和 Telcordia GR-20
包装采用木盘或塑料盘供应;标准长度为 2.2 km、4.4 km 或定制线盘标签包含光纤类型、长度、衰减和批次可追溯性
MOQ1 盘(≥ 2.2 km);批量订单 ≥ 50 km 可享优惠价格可为线缆制造商提供 OEM 和自有品牌选项

G657B3超抗弯光纤 - 工厂直供

G657B3 超抗弯光纤代表了当今市场上最先进的一类抗弯单模光纤,专为无法避免紧弯曲半径和极端弯曲条件的部署环境而设计。该光纤符合 ITU-T G.657.B3 标准,在光纤到户(FTTH)、楼内布线和最后一英里连接安装中表现出卓越性能,而传统光纤在这些场景中会遭受不可接受的信号损耗。其最小弯曲半径低至 5 mm,能够承受会使标准 G.652 甚至 G.657.A 光纤无法工作的安装应力。全球的电信运营商、承包商和网络集成商都依赖 G657B3 光纤来使其基础设施面向未来,同时降低安装复杂性。作为钢厂直供供应商,我们以具有成本效益的价格提供优质级 G657B3 超抗弯光纤,并在生产的每个阶段都经过严格的质量控制。

g657b3 超抗弯光纤制造商

什么是 G657B3 超抗弯光纤?

G657B3 超抗弯光纤是一种根据 ITU-T G.657 B 类第 3 子类定义的单模光纤。它专门针对超紧弯曲应用进行了优化,可承受低至 5 mm 的弯曲半径,在 1550 nm 波长下每圈的宏弯损耗不超过 0.15 dB。与 A 类光纤不同,G657B3 不需要保持与 G.652 光纤的完全兼容性,这使其折射率分布可以更积极地为抗弯性能进行优化。它广泛应用于密集城市 FTTH 引入光缆、竖井安装和受限空间光路由中。

g657b3 超抗弯光纤供应商

G657B3 超抗弯光纤制造工艺

G657B3 超抗弯光纤的生产始于采用改进化学气相沉积(MCVD)或外部气相沉积(OVD)工艺制造专门设计的预制棒。在纤芯周围精确构建沟槽辅助或孔辅助折射率分布,以抑制弯曲时的光泄漏。随后,预制棒在超过 2,000°C 的温度下被拉制成标称外径为 125 ± 0.7 µm 的光纤,接着施加双层 UV 固化丙烯酸酯涂层,使最终涂层直径达到 245 ± 5 µm,确保机械耐久性和环境保护。

G657B3 超抗弯光纤技术规格

我们的 G657B3 超抗弯光纤达到或超过所有 ITU-T G.657.B3 要求。关键参数包括:1310 nm 处衰减 ≤ 0.4 dB/km,1550 nm 处衰减 ≤ 0.3 dB/km;10 mm 弯曲半径下,1550 nm 处宏弯损耗 ≤ 0.03 dB/turn,1625 nm 处 ≤ 0.1 dB/turn;7.5 mm 弯曲半径下,1550 nm 处宏弯损耗 ≤ 0.08 dB/turn;5 mm 弯曲半径下,1550 nm 处宏弯损耗 ≤ 0.15 dB/turn。1310 nm 处模场直径为 6.3–9.5 µm,截止波长 ≤ 1260 nm。标准筛选试验水平为 0.69 GPa(100 kpsi),可根据要求提供更高筛选试验选项。

g657b3 超抗弯光纤工厂

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与我们的工厂直营团队合作,以最具竞争力的价格为您项目规模采购优质 G657B3 超抗弯光纤。无论您需要小批量评估数量还是大批量订单,我们的技术团队都随时准备提供定制解决方案,交货周期短,并提供完整文件支持。

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评分与评价

4.5
基于 8 条评价
5 5
4 2
3 1
2 0
1 0
用户
David C.
United States
2025-02-02
Initial documentation gap resolved after follow-up
Ordered 25,000 meters of G657B3 for an in-building riser project in New York. Fiber specs were accurate — cutoff wavelength at 1251nm and macrobend loss at 10mm radius measuring 0.022 dB/turn at 1550nm, both compliant with ITU-T G.657.B3. However, the initial shipment arrived without individual reel test certificates, only a batch summary, which didn't meet our project documentation requirements. After contacting support, reel-level reports were provided within 48 hours and the issue was fully resolved. Quality of the fiber itself was not in question. Supplier has since confirmed reel-by-reel documentation is now standard procedure.
用户
Ahmed K.
UAE
2025-02-24
Competitive mill-direct pricing, solid performance for FTTH
Procured 90,000 meters for a Dubai residential FTTH expansion project. Macrobend loss at 5mm radius tested at 0.13 dB/turn at 1550nm — within ITU-T G.657.B3 specification. Attenuation at 1625nm was also within acceptable range for our WDM overlay requirements. Pricing was approximately 15% below comparable quotes from regional distributors, which matters at this volume. Documentation included reel-by-reel OTDR traces and coating adhesion test results. Knocked one star because minimum order quantity for the 0.69 GPa proof test grade required a larger commitment than initially quoted. Overall a reliable supplier.
用户
Oliver P.
United Kingdom
2025-03-18
Good value for bulk volume, minor lead time variance
Ordered 40,000 meters for last-mile connectivity contracts in the East Midlands. ITU-T G.657.B3 compliance documentation was thorough and attenuation specs were met — 0.29 dB/km at 1550nm across tested reels. Pricing was notably better than UK-based distributors at this volume. One note: quoted lead time was 12 days but actual delivery was 17 days due to shipping delays, which caused minor scheduling adjustments on our end. Technical specs and quality were not in question. Would order again but will build in extra buffer time for future projects.
用户
Rachel M.
Australia
2025-04-09
Fast turnaround on evaluation samples, converted to full order
Requested free evaluation samples before committing — received 500 meters within 8 days, which was faster than expected. Ran attenuation tests: 0.38 dB/km at 1310nm and 0.27 dB/km at 1550nm, both within ITU-T G.657.B3 limits. Bend performance at 10mm radius came in at 0.02 dB/turn at 1550nm. Satisfied with results, placed an order for 60,000 meters for FTTH drop cable deployment in suburban Melbourne. Full order arrived in 18 days with complete compliance documentation. The sample program genuinely de-risked the procurement decision.
用户
Stefan B.
Germany
2025-05-01
Tight tolerances confirmed, ideal for confined-space routing
Purchased 80,000 meters for a confined-space optical routing project in a Munich high-rise complex. Outer diameter tolerance measured at 125.4µm average — well within the ±0.7µm specification. We specifically needed macrobend performance at 7.5mm radius, and measured 0.06 dB/turn at 1550nm against the 0.08 dB/turn ITU-T G.657.B3 limit. The dual-layer UV-cured acrylate coating showed no delamination after thermal cycling tests we conducted in-house. Mill-direct sourcing reduced unit cost significantly compared to European distributors. Lead time was 16 days CIF Hamburg.
用户
James H.
United Kingdom
2025-05-23
Consistent quality across multiple bulk orders
This is our fourth purchase — cumulative volume now exceeds 300,000 meters. G657B3 fiber is used exclusively for our in-building wiring contracts across London commercial properties where conduit bends are severe. Mode field diameter consistently measures within the 6.3–9.5µm spec at 1310nm. Macrobend loss at 10mm radius has never exceeded 0.025 dB/turn across any reel we've tested. Pricing remains competitive and the documentation pack — ITU-T compliance certificates, reel-by-reel test reports — is always complete. No hesitation recommending this supplier.
用户
Priya N.
India
2025-06-14
Reliable specs, strong technical support throughout
We sourced 120,000 meters for a multi-city last-mile FTTH project across Pune and Hyderabad. The technical team walked us through the trench-assisted refractive index profile and how it impacts bend performance in riser installations — that level of consultation was genuinely useful. Cutoff wavelength tested at 1248nm, comfortably below the 1260nm ITU-T G.657.B3 ceiling. Proof test at 0.69 GPa standard, with full test certificates supplied. Delivery completed in two shipments within 21 days. Will be placing repeat orders for Phase 2.
用户
Marcus T.
United States
2025-06-29
Exceptional bend performance verified at 5mm radius
Ordered 50,000 meters of G657B3 for a dense urban FTTH drop cable rollout in Chicago. Ran independent macrobend loss testing at 5mm radius and measured 0.11 dB/turn at 1550nm — well within the ITU-T G.657.B3 limit of 0.15 dB/turn. Attenuation came in at 0.28 dB/km at 1550nm. Coating diameter was consistently 245µm across the reel. Mill-direct pricing saved us roughly 18% versus our previous distributor. Lead time was 14 days for this volume. Highly recommended for tight-routing installations.

了解供应商

安讯光纤有限公司

入驻 Sinoali.com 7 年

所在地:China

FAQ

Q: What is bend-insensitive fiber?
A:Bend-insensitive fiber is a special optical fiber that maintains low transmission loss even under tight bending conditions, such as small radius bends or twists.
Q: What is the biggest advantage of bend-insensitive fiber?
Q: Can bend-insensitive fiber be used in FTTH projects?
Q: What bending radius can your bend-insensitive fiber withstand?
Q: Does bend-insensitive fiber support long-distance transmission?
Q: What is the operating temperature range of your fiber?

Product display

Anxun Optical Fiber Co., Ltd. is a technology-driven enterprise specializing in the research, development, and manufacturing of high-quality optical fiber products and communication solutions. With a strong focus on innovation and precision engineering, the company provides a wide range of products, including fiber optic cables, connectivity components, and customized network solutions for telecommunications, data centers, and industrial applications.

Committed to international standards and strict quality control, Anxun ensures reliable performance and long-term durability in all its products. The company continuously invests in advanced production equipment and technical expertise to meet the evolving demands of global communication infrastructure. Guided by a customer-centric approach, Anxun Optical Fiber Co., Ltd. strives to deliver efficient, cost-effective, and sustainable solutions, building long-term partnerships with clients worldwide.

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可定制 超低价
$8 1-49 千米 基准价
$8 50-99 千米 0% 优惠
$7 ≥100 千米 12.5% 优惠
价格有效期:随行就市

供应商定制能力

  • 来图定制
  • 来样定制
  • 全流程定制
数量

最小起订量: 1 千米

运费合计:面议

商品小计 US$ 8.00
分享:
发起订单请求
付款与交货
交期:
随报价一并确认
包装:
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样品:
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