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G.657A1弯曲不敏感光纤 - 优质制造商

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
$85 1-49 km 基准价
$82 50-99 km 3.5% 优惠
$79 ≥100 km 7.1% 优惠
价格有效期:随行就市

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数量

最小起订量: 1 km

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商品小计 US$ 85.00
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G.657A1接入网用弯曲不敏感单模光纤技术规范

属性参数描述
产品名称G.657A1 弯曲不敏感单模光纤专为接入网设计,具有增强的弯曲性能
光纤等级 / 类型G.657A1(等效于 G.652D 兼容)A1 类弯曲不敏感单模光纤;与 G.652D 完全向后兼容
标准符合性ITU-T G.657A1、IEC 60793-2-50 (B6a1)、TIA-492AAAE符合国际电信和光纤标准
纤芯 / 包层直径纤芯:8.6–9.5 µm / 包层:125.0 ± 0.7 µm标准单模光纤几何尺寸,确保熔接兼容性
涂覆层直径245 ± 10 µm(双层丙烯酸酯)双层 UV 固化丙烯酸酯涂覆层,提供机械保护
衰减≤ 0.35 dB/km @ 1310 nm;≤ 0.20 dB/km @ 1550 nm低衰减,适用于长距离信号传输
宏弯损耗(最小弯曲半径)≤ 0.1 dB/圈 @ R=10 mm (1550 nm);≤ 0.5 dB/圈 @ R=10 mm (1625 nm)优异的弯曲耐受性,适用于 FTTH/FTTx 紧路由安装
色散零色散波长:1300–1324 nm;≤ 18 ps/(nm·km) @ 1550 nm符合 G.657A1 色散规格
偏振模色散(PMD)≤ 0.1 ps/√km(链路设计值)适用于高达 10 Gbps 及以上的高速传输
数值孔径0.20 ± 0.02标准数值孔径,实现与连接器和熔接的高效耦合
筛选测试水平≥ 0.69 GPa (100 kpsi)确保安装和使用寿命期间的机械可靠性
工作温度-60°C 至 +85°C适用于室外、室内及恶劣环境部署
应用FTTH、FTTx、MDU 布线、室内/室外接入网络、跳线针对最后一英里光纤部署优化,支持紧弯曲
认证ITU-T G.657A1、IEC 60793-2-50、RoHS 合规、CE国际认证,适用于电信级部署
包装木盘或塑料线轴;标准长度:每盘 2.0 km、4.0 km、6.25 km可根据要求提供定制线盘长度
MOQ50 km(大型项目可协商)接受 OEM/ODM 订单和定制规格

G.657A1 抗弯光纤 - 优质制造商

G.657A1 弯曲不敏感单模光纤(用于接入网)是一项突破性解决方案,专为满足现代光纤到户(FTTH)和光纤到楼(FTTB)部署的严苛要求而设计。随着宽带基础设施在全球范围内持续扩展,网络安装人员面临着持续的挑战:如何在狭窄弯曲、急转角及受限空间中布线,同时不损害信号完整性。G.657A1 光纤直面这一挑战,在 1550 nm 波长下提供 10 mm 的最小弯曲半径,宏弯损耗每圈不超过 0.1 dB——相比传统 G.652D 单模光纤有显著改善。该光纤完全向后兼容 ITU-T G.652D 标准,可无缝集成到现有网络基础设施中,使其成为最后一英里连接项目、室内布线以及空间受限成为常态运营现实的高密度城市部署的首选。

什么是 G.657A1 弯曲不敏感单模光纤(用于接入网)?

G.657A1 弯曲不敏感单模光纤(用于接入网)是由 ITU-T G.657 A1 类建议定义的一种专用光传输介质。它采用沟槽辅助或凹陷包层折射率剖面设计,可大幅降低光纤弯曲或绕角布线时的信号损耗,使其非常适合接入网环境,包括 FTTH、FTTB 以及需要小半径安装的室内结构化布线系统。

G.657A1 弯曲不敏感单模光纤供应商

G.657A1 弯曲不敏感单模光纤制造工艺

用于接入网的 G.657A1 弯曲不敏感单模光纤的制造始于改进化学气相沉积(MCVD)或外部气相沉积(OVD)工艺,以创建具有精确设计的沟槽辅助折射率分布的预制棒。预制棒在受控气氛拉丝塔中于超过 2,000°C 的温度下进行拉丝,随后施加双层 UV 固化丙烯酸酯涂层,使最终外径达到 245 ± 10 µm,确保每米产品具有一致的机械和光学性能。

G.657A1 弯曲不敏感单模光纤制造商

G.657A1 弯曲不敏感单模光纤技术规格

用于接入网的 G.657A1 弯曲不敏感单模光纤严格符合 ITU-T G.657A1 和 IEC 60793-2-50 标准。关键参数包括:1310 nm 处模场直径为 8.6–9.5 µm,包层直径为 125.0 ± 0.7 µm,1310 nm 处衰减 ≤ 0.35 dB/km,1550 nm 处衰减 ≤ 0.20 dB/km,10 mm 弯曲半径(1550 nm)下宏弯损耗 ≤ 0.1 dB/圈,1550 nm 处色散 ≤ 18 ps/(nm·km),最小验证测试水平为 0.69 GPa(100 kpsi),确保现场安装中的长期机械可靠性。

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与用于接入网的 G.657A1 弯曲不敏感单模光纤的优质制造商合作,享受工厂直供价格、严格的质量保证和快速的全球交付。无论您需要小批量评估数量还是大规模批量订单,我们的团队都随时准备提供满足您确切项目规格的定制解决方案。

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G.657A1 弯曲不敏感单模光纤中国工厂

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
Steven P.
United States
2025-02-02
Initial reel length inconsistency — resolved promptly
Ordered 25,000 m of G.657A1 for a mixed indoor/outdoor access network project. Optical specs checked out fine — attenuation at 1550 nm and macrobend loss per ITU-T G.657A1 were within tolerance. However, three reels in the first shipment were approximately 50 m short of the stated 2,000 m length, which disrupted our pull schedule. I raised this with the supplier and they shipped replacement footage within 5 business days at no charge and updated their QC process. Subsequent reorder of 15,000 m had no issues. Good recovery; cautiously optimistic for future orders.
用户
Rachel M.
United Kingdom
2025-02-24
Competitive pricing on bulk quantities — delivery slightly longer than quoted
Ordered 60,000 m of G.657A1 fiber for indoor wiring across a commercial property portfolio in Manchester. Fiber quality is good — cladding geometry and coating diameter within spec, and splice loss results are consistent. Mill-direct pricing offered a meaningful saving versus spot-market sourcing. Quoted delivery was 15 days; actual delivery was 20 days due to customs clearance. The team communicated proactively about the delay, which was appreciated. Technical consultation on minimum bend radius for our cable tray design was helpful. Would use again for future phases.
用户
Thomas B.
Germany
2025-03-18
Good value for FTTB projects — minor documentation gap
Purchased 80 km for a residential FTTB deployment in the Rhine-Ruhr region. Optical performance is solid: attenuation and bend loss figures align with ITU-T G.657A1 and IEC 60793-2-50 requirements. Pricing per km was approximately 12% lower than our previous European supplier for equivalent specification. Delivery took 21 days, which was acceptable. One minor issue: initial shipment documents lacked the EN-format compliance declaration we require for German network operator approval. Supplier corrected this within 48 hours after our request. Overall good value; would order again.
用户
Khalid A.
UAE
2025-04-09
Consistently meets ITU-T G.657A1 spec across multiple batches
We've now received four separate shipments totaling over 300 km for FTTH expansion projects across Dubai and Abu Dhabi. Every batch includes full factory test certificates referencing IEC 60793-2-50 parameters. Macrobend performance at 10 mm radius remains the key differentiator for our high-rise building installations where 90-degree conduit bends are unavoidable. 24/7 support is genuinely available — we've contacted them at odd hours and always received a response within 30 minutes. Pricing remains stable and competitive for bulk volumes.
用户
Jennifer W.
United States
2025-05-01
Outstanding service from sample to bulk order
Requested free evaluation samples before committing to a 200 km purchase for a municipal FTTH program. Sample reels arrived within 10 days; our lab confirmed attenuation ≤ 0.35 dB/km at 1310 nm and ≤ 0.20 dB/km at 1550 nm — both well within ITU-T G.657A1 limits. The sales engineer provided a detailed technical datasheet and helped us select appropriate reel lengths for our blowing equipment. Bulk order delivered in 25 days. Mill-direct pricing was noticeably more competitive than local distributors. Excellent overall experience.
用户
David H.
Australia
2025-05-23
Reliable quality, fast dispatch — our go-to supplier now
Third consecutive order, this time 30,000 m for indoor structured cabling across a university campus. Cladding diameter holding tight at 125.0 ± 0.7 µm every batch — no surprises during fusion splicing. Proof test level of 0.69 GPa gives us confidence in long-term mechanical reliability in conduit runs. Outer diameter 245 µm with consistent dual-layer acrylate coating. Quoted 24-hour turnaround on pricing was accurate, and goods cleared customs ahead of schedule. Customer support resolved a reel labeling query same day.
用户
Priya S.
India
2025-06-14
Backward compatibility with G.652D saved our project timeline
We integrated 120 km of this G.657A1 fiber into an existing G.652D backbone for a Tier-2 city FTTB project. Full backward compatibility meant zero additional splicing losses — chromatic dispersion stayed within 18 ps/(nm·km) at 1550 nm as per IEC 60793-2-50. Mode field diameter at 1310 nm was consistently 8.6–9.5 µm. Pre-shipment test reports were detailed and matched our own OTDR readings on arrival. Lead time was 22 days for 120 km. Will place repeat orders for Phase 2.
用户
Marcus T.
United Kingdom
2025-06-29
Exceptional bend performance confirmed in FTTH deployment
Ordered 50,000 meters of G.657A1 fiber for a dense urban FTTH rollout in London. Verified macrobend loss well under 0.1 dB/turn at 10 mm bend radius — exactly as spec'd per ITU-T G.657A1. The trench-assisted index profile made tight-corner routing in apartment risers genuinely straightforward. Attenuation at 1550 nm consistently measured ≤ 0.20 dB/km across sampled reels. Delivery arrived in 18 days, fully palletized and labeled. Technical team answered splice compatibility questions within hours. Highly recommended for last-mile contractors.

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 types of single-mode fiber do you supply?
A:We supply OS1, OS2, G.652D, G.655, G.657 bend-insensitive and low-loss single-mode fiber for telecom and data transmission.
Q: What is the core and cladding diameter of single-mode fiber?
Q: What is the main application of single-mode fiber?
Q: What is the difference between single-mode and multi-mode fiber?
Q: Can single-mode fiber be used for outdoor and underground projects?
Q: What transmission speeds does single-mode fiber support?

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
$85 1-49 km 基准价
$82 50-99 km 3.5% 优惠
$79 ≥100 km 7.1% 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 km

运费合计:面议

商品小计 US$ 85.00
分享:
发起订单请求
付款与交货
交期:
随报价一并确认
包装:
标准出口包装
样品:
可按需提供

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