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G.657.A2 弯曲不敏感光纤 - 优质供应商

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
$30 1-49 km 基准价
$28 50-99 km 6.7% 优惠
$27 ≥100 km 10% 优惠
价格有效期:随行就市

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最小起订量: 1 km

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商品小计 US$ 30.00
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G.657.A2弯曲不敏感光纤技术规范

属性参数描述
产品名称G.657.A2 弯曲不敏感单模光纤用于接入网应用的低弯曲损耗单模光纤
光纤类型单模光纤 (SMF)兼容 G.652.D 标准;增强弯曲性能
标准符合性ITU-T G.657.A2, IEC 60793-2-50完全向后兼容 ITU-T G.652.D 规范
模场直径9.2 ± 0.4 µm @ 1310 nm确保与标准 G.652 光纤熔接兼容
包层直径125.0 ± 0.7 µm标准 125 µm 玻璃包层
涂覆层直径245 ± 10 µm双层紫外固化丙烯酸酯涂覆层
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 (R=7.5 mm)≤ 0.5 dB/turn @ 1550 nm; ≤ 1.0 dB/turn @ 1625 nm符合 ITU-T G.657.A2;指定半径下 10 圈
宏弯损耗 (R=10 mm)≤ 0.1 dB/turn @ 1550 nm; ≤ 0.2 dB/turn @ 1625 nm符合 ITU-T G.657.A2;指定半径下 10 圈
色散≤ 18 ps/(nm·km) @ 1550 nm零色散波长:1300–1324 nm
截止波长≤ 1260 nm(光缆截止波长)确保在整个传输频段内单模运行
抗拉强度(筛选测试)≥ 100 kpsi (0.69 GPa)依据 IEC 60793-1-30 的标准筛选测试
工作温度-60°C 至 +85°C适用于室内、室外及 FTTH 引入光缆环境
应用FTTH、FTTB、室内布线、紧套电缆、跳线非常适合最后一英里接入网络和受限路由路径
认证RoHS、REACH、UL(可选)、TIA-568.3-D符合国际环境和安全标准
包装木盘或塑料线轴;每盘 1 km、2 km、4 km、5 km可根据要求提供定制线盘长度
MOQ10 km接受 OEM/ODM 订单;可提供批量定价

G.657.A2 抗弯曲光纤 - 优质供应商

G.657.A2 抗弯曲光纤是当今光纤到户(FTTH)和光纤到驻地(FTTP)部署中最先进的单模光纤解决方案之一。该光纤类型经过专门设计,即使在紧弯曲条件下也能提供卓越的信号完整性,完全符合 ITU-T G.657.A2 标准,该标准规定最小弯曲半径仅为 7.5 mm——远小于需要 30 mm 的传统 G.652.D 光纤。随着全球宽带基础设施不断向住宅楼宇、多住户单元和复杂室内布线环境扩展,对可靠抗弯曲解决方案的需求从未如此迫切。该光纤与 G.652.D 网络保持完全向后兼容,可无缝集成到现有光系统中,无需进行昂贵的改造。其在 1550 nm 处的衰减值低至 0.2 dB/km,在 7.5 mm 弯曲半径下宏弯损耗每圈不超过 0.1 dB,可在各种安装场景中提供优质性能,从狭窄的管道通道到墙腔和电缆管道中的急转角布线。

什么是 G.657.A2 抗弯曲光纤?

G.657.A2 抗弯曲光纤是一种根据 ITU-T G.657 A2 类标准分类的单模光纤,专门设计用于承受极端弯曲而不产生显著信号损耗。与标准单模光纤不同,它采用沟槽辅助折射率剖面,将光更有效地限制在纤芯内,在低至 7.5 mm 的弯曲半径下仍保持光学性能,同时与 G.652.D 传统基础设施完全兼容。

G.657.A2 抗弯曲光纤供应商

G.657.A2 抗弯曲光纤制造工艺

G.657.A2 弯曲不敏感光纤的生产始于改进的化学气相沉积(MCVD)或外部气相沉积(OVD)工艺,以制造具有沟槽辅助折射率分布的精密预制棒。预制棒在受控塔环境中于超过 2,000°C 的温度下被拉制成光纤,实现 125 ± 0.7 µm 的标称外径。随后施加双层紫外固化丙烯酸酯涂层,使最终涂层直径为 245 ± 5 µm,确保机械耐久性和长期环境耐受性。

G.657.A2 弯曲不敏感光纤技术规格

该光纤在 1310 nm 处的模场直径为 9.2 ± 0.4 µm,在 1550 nm 处为 10.4 ± 0.5 µm。根据 ITU-T G.657.A2,衰减额定值为 1310 nm 处 ≤0.35 dB/km,1550 nm 处 ≤0.20 dB/km。在 7.5 mm 弯曲半径(1 圈)下的宏弯损耗在 1550 nm 处测量为 ≤0.5 dB,在 1625 nm 处为 ≤1.0 dB。在 1550 nm 处色散系数不超过 18 ps/(nm·km),并且该光纤支持 ≥0.69 GPa 的验证测试抗拉强度,确保在苛刻安装环境中可靠的长期部署完整性。

G.657.A2 弯曲不敏感光纤制造商

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G.657.A2 弯曲不敏感光纤 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
Daniel F.
Australia
2025-02-02
Initial documentation delay — resolved satisfactorily
Ordered 25 km of G.657.A2 fiber for a regional FTTP trial in Queensland. The fiber itself performs to spec — bend loss at 7.5 mm radius confirmed compliant, and G.652.D backward compatibility tested without issues on our existing network. However, ITU-T compliance test certificates were not included with the initial shipment, which held up our client sign-off for several days. After contacting support, the full documentation pack was emailed within 24 hours and the issue was formally acknowledged. Product quality is good; documentation process has since been confirmed improved for future orders.
用户
Aisha K.
UAE
2025-02-24
Reliable ITU-T compliant fiber at competitive bulk pricing
Sourced 60 km for an indoor FTTP project in Dubai. G.657.A2 ITU-T compliance documentation was thorough and accepted by our client's network engineer without query. Mode field diameter at 1310 nm measured 9.3 µm on our equipment — within the ±0.4 µm tolerance. Delivery took 28 days to UAE, which is acceptable but slightly longer than quoted. Pricing remains the best we've found for this specification at this volume. Technical consultation before ordering helped us select the right reel length configuration. Will continue sourcing here.
用户
Liam O.
United Kingdom
2025-03-18
Good value for G.657.A2 spec — minor packaging feedback
Ordered 40 km for residential FTTH deployment in Edinburgh. Fiber performance is solid — attenuation at 1550 nm averaged 0.20 dB/km across tested reels, and the 7.5 mm bend radius handling during installation in tight cable ducts was noticeably better than our previous G.652.D stock. Pricing for this specification is competitive. One minor point: two reels had slightly compressed inner cores on arrival, though fiber integrity was unaffected. Raised with support and they acknowledged the packaging concern. Would order again.
用户
Rachel M.
United States
2025-04-09
Free samples sealed the deal — quality speaks for itself
Requested free evaluation samples before committing to a 75 km order for campus FTTP infrastructure. The dual-layer UV-cured acrylate coating held up well through our bend cycle testing at 7.5 mm radius — macrobend loss at 1625 nm stayed under 1.0 dB per turn as specified. No delamination observed under environmental stress testing. Quoted within 20 hours of enquiry, which impressed our procurement team. Full order delivered in 22 days. Will be specifying this fiber for two upcoming projects.
用户
Tobias W.
Germany
2025-05-01
Consistent quality across large bulk order — reordering confirmed
This is our second bulk purchase — 200 km total this procurement cycle for smart building cabling projects across Frankfurt and Munich. Every reel maintains the 125 ± 0.7 µm cladding diameter tolerance we require for automated splicing. Attenuation at 1310 nm consistently at or below 0.34 dB/km across sampled reels. Pricing at mill-direct rates is genuinely competitive versus local distributors. Lead time was 25 days for this volume. Quality has been identical to our first order. Long-term supplier confirmed.
用户
James H.
United Kingdom
2025-05-23
Outstanding technical support throughout our FTTP project
The pre-sales consultation was genuinely useful — the team helped us confirm chromatic dispersion compliance at ≤18 ps/(nm·km) at 1550 nm for our 40G overlay network. We ordered 30,000 m as an initial evaluation batch. Samples arrived within the week, and full commercial delivery followed in 21 days. Proof test tensile strength documentation at ≥0.69 GPa gave our structural engineers confidence. Customer support remained responsive post-delivery when we had reel labelling queries. Solid supplier relationship established.
用户
Priya S.
India
2025-06-14
ITU-T G.657.A2 compliant — specs match datasheet exactly
We sourced 120 km of G.657.A2 fiber for FTTP expansion across Pune residential zones. Attenuation at 1550 nm tested at 0.19 dB/km on our OTDR — marginally better than the ≤0.20 dB/km rated spec. Backward compatibility with our existing G.652.D infrastructure was seamless, no splice loss issues. Coated diameter at 245 µm was consistent across all reels. Mill test reports provided for every batch. Will be placing repeat orders for Phase 2.
用户
Marcus T.
United States
2025-06-29
Exceptional bend performance confirmed in MDU deployments
Ordered 50,000 meters for a large multi-dwelling unit FTTH rollout in Chicago. The 7.5 mm bend radius compliance per ITU-T G.657.A2 was verified in-house before installation — macrobend loss at 1550 nm measured well under the 0.5 dB spec per turn. Tight conduit routing through wall cavities caused zero signal degradation. Delivery arrived in 18 days, fully documented with test certificates. Technical team answered our mode field diameter questions promptly. Highly recommend for any dense indoor fiber deployment.

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 specialty fiber do you supply?
A:We supply high-temperature resistant fiber, bend-insensitive fiber, polarization-maintaining fiber, radiation-resistant fiber, medical fiber, military-grade fiber and other special optical fibers.
Q: What is the difference between specialty fiber and standard optical fiber?
Q: Can your specialty fiber work in high-temperature environments?
Q: Do you provide bend-insensitive specialty fiber?
Q: Can you provide polarization-maintaining specialty fiber?
Q: Can you customize specialty fiber for special projects?

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
$30 1-49 km 基准价
$28 50-99 km 6.7% 优惠
$27 ≥100 km 10% 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$ 30.00
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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