The FT-26 In Line Fixed Optical Attenuator (IFOA) V3.06 is a high-performance in-line fixed optical attenuation module manufactured by F-tone Networks(北亿纤通). The IFOA delivers low insertion loss, low PDL, high stability and reliability. 4 standard wavelengths: 1310 / 1550 / 980 / 1064nm, with optional 1310 & 1550nm dual-wavelength support. Bandwidth ±40nm. Standard fixed attenuation: 1/3/5/10/15/20dB (other values on request), with ±10% attenuation precision. 3 package types: φ3.0×L54mm (250μm bare fiber or 900μm loose tube) and L90×W20×H9.5mm (900μm/2mm/3mm loose tube), other custom packages available on request. 3 fiber types: SMF-28e / HI1060FLEX / HI1060 (Corning standard). 9 connector types: None / FC/UPC / FC/APC / SC/UPC / SC/APC / ST/PC / LC/PC / LC/APC / E2000 APC. Operating temperature -20~+75°C, storage temperature -40~+85°C. 3 main applications: Fiber Communication + Fiber Sensor + Fiber Laser. 8-digit ordering code: FT-26-IFOA-[Wavelength]-[Port]-[Attenuation Value]-[Grade]-[Package]-[Fiber Type]-[Pigtail Type]-[Fiber Length]-[Connector].
🔬 关键差异化亮点:F-tone 第二款”光纤衰减器” + In-Line 在线式封装新方案
🔄 F-tone 光纤衰减器产品线 2 SKU 对比(FT-13 vs FT-26)
| 维度 | FT-13系列 8dB(ID 21342) | FT-26系列 IFOA(本篇 V3.06) |
|---|---|---|
| 技术方案 | FBC 熔融拉锥(Fusion Biconic Coupler) | In-Line 在线式(In-Line Fixed) |
| 封装 | φ3×54mm(钢管封装) | φ3.0×L54 / L90×W20×H9.5 |
| 工作波长 | 1500-1650nm(C+L 波段) | 1310/1550/980/1064nm(4 种) |
| 带宽 | 1550±40nm | ±40nm(4 种波长各 ±40nm) |
| 插入损耗 | ≤8dB(固定) | 低插入损耗(依波长与配置) |
| 固定衰减 | 仅 8dB(固定) | 1/3/5/10/15/20/30dB 全系列 + 定制 |
| PDL | ≤0.2dB | 低 PDL |
| 方向性 | ≥50dB | — |
| 光纤 | SMF-28E(250um 裸纤 / 900um 松套管) | SMF-28e / HI1060FLEX / HI1060 |
| 连接器 | — | 9 种(None/FC/SC/ST/LC/E2000 PC/APC/UPC) |
| 工作温度 | -10~+70°C | -20~+75°C |
| 应用 | C+L 波段固定衰减 | 光纤通信 + 光纤传感 + 光纤激光 |
1. 产品简介(Product Introduction)
The FT-26 In Line Fixed Optical Attenuator (IFOA) is a high-performance in-line fixed optical attenuation module. The IFOA delivers low insertion loss, low PDL, high stability and reliability, making it ideal for fiber communication, fiber sensor, and fiber laser applications.
FT-26 系列在线式固定光纤衰减器(IFOA)是一种在线式固定衰减模块产品。该模块具有 低插入损耗、低偏振相关损耗(PDL)、高稳定性和高可靠性,可广泛应用于各种光通信、传感和激光系统中。
2. 产品特点(Features)
3. 应用范围(Applications)
- 🚀 Fiber Communication(光纤通信)
- 🚀 Fiber Sensor(光纤传感)
- 🚀 Fiber Laser(光纤激光)
4. 技术参数(Specifications)
4.1 完整规格表(Full Specifications)
| 参数(Parameter) | 规格(Value) |
|---|---|
| 类型(Type) | In Line 在线式固定衰减器 |
| 工作波长(Operating Wavelength) | 1550, 1310, 980, 1064 nm(4 种,可选 1310 & 1550nm 双波长) |
| 带宽(Bandwidth) | ±40nm |
| 典型附加损耗(Typical Excess Loss) | — (低插入损耗) |
| 固定衰减(Attenuation) | 1, 3, 5, 10, 15, 20 dB(其他定制:30dB, Other) |
| 衰减精度(Attenuation Precision) | ±10% Attenuate Value |
| 工作温度(Operating Temperature) | -20 ~ +75°C |
| 存储温度(Storage Temperature) | -40 ~ +85°C |
4.2 封装信息(Package Information)
| 参数(Parameter) | 规格(Value) |
|---|---|
| 光纤长度(Fiber Length) | 1m(其他可定制:0.5/0.8/1.0/1.5/2.0m) |
| 光纤类型(Fiber Type) | SMF-28e / HI1060FLEX / HI1060(Corning 标准) |
| 尾纤类型(Pigtail Type) | 250μm bare fiber / 900μm loose tube / 2mm loose tube / 3mm loose tube |
| 封装尺寸(Dimensions) | φ3.0×L54mm(裸纤或松套管) / φ3.0×L54mm(松套管) / L90×W20×H9.5mm(900μm/2mm/3mm 松套管) |
| 其他封装(Other Package) | 可按客户需求定制(Other package dimensions can be made on customer request) |
5. 选型信息(Ordering Information)
选型代码:FT-26-IFOA-Wavelength–Port–CR (Attenuation)–Grade–Package–Fiber–Pigtail–Length–Connector
5.1 选型代码位说明(Code Position Description)
| 位(Position) | 字段(Field) | 选项(Options) |
|---|---|---|
| 1. Wavelength(波长) | 工作波长 | 31=1310 / 55=1550 / 35=1310&1550 / 98=980 / 64=1064 |
| 2. Port(端口) | 端口数 | 1=1×1 |
| 3. CR (Attenuation)(衰减) | 固定衰减值 | 1=1dB / 3=3dB / 5=5dB / A=10dB / B=15dB / C=20dB / D=30dB / S=Other |
| 4. Grade(等级) | 等级 | P=P / A=A |
| 5. Package(封装) | 封装尺寸 | 1=φ3.0×L54 / 3=φ3.0×L60 / 6=φ4.0×L65 / A=90x20x9.5 / S=Other |
| 6. Fiber(光纤) | 光纤类型 | 0=SMF-28e / 2=HI1060 / 3=HI1060FLEX |
| 7. Pigtail(尾纤) | 尾纤类型 | 0=250μm bare fiber / 1=900μm loose tube / 2=2mm loose tube / 3=3mm loose tube |
| 8. Length(长度) | 光纤长度 | H=0.5m / 8=0.8m / 1=1.0m / 5=1.5m / 2=2.0m / S=other |
| 9. Connector(连接器) | 光连接器 | 0=None / 1=FC/UPC / 2=FC/APC / 3=SC/APC / 4=SC/UPC / 5=ST/PC / 6=LC/PC / 7=LC/APC / 8=E2000 APC / S=Others |
5.2 选型代码示例(Ordering Code Examples)
| 完整代码 | 说明 |
|---|---|
| FT-26-IFOA-31-1-1-P-1-0-1-1 | 1310nm / 1×1 / 1dB / Grade P / φ3.0×L54 / SMF-28e / 250μm bare fiber / 1.0m / FC/UPC |
| FT-26-IFOA-55-1-5-A-1-0-1-2 | 1550nm / 1×1 / 5dB / Grade A / φ3.0×L54 / SMF-28e / 250μm bare fiber / 1.0m / FC/APC |
| FT-26-IFOA-35-1-A-P-A-2-3-6 | 1310&1550nm / 1×1 / 10dB / Grade P / 90x20x9.5 / HI1060 / 2mm loose tube / 1.5m / LC/PC |
| FT-26-IFOA-98-1-3-P-1-3-1-7 | 980nm / 1×1 / 3dB / Grade P / φ3.0×L54 / HI1060FLEX / 900μm loose tube / 1.0m / LC/APC |
| FT-26-IFOA-64-1-15-P-1-0-1-3 | 1064nm / 1×1 / 15dB / Grade P / φ3.0×L54 / SMF-28e / 250μm bare fiber / 1.0m / SC/APC |
6. 典型应用场景(Typical Applications)
🔬 光纤衰减器 3 大核心应用 + 5 大扩展应用
7. 注意事项及维护(Precautions & Maintenance)
- 🔸 清洁光纤端面:使用前请用酒精棉清洁连接器的光纤端面,不使用时请带好防尘帽,防止灰尘或其他赃物污染或损坏光纤端面
- 🔸 光纤保护:严禁拉扯、折、扭曲光纤,以免造成光纤损坏
- 🔸 弯曲半径:安装时注意光纤弯曲半径(建议 R≥30mm),避免过度弯曲影响性能
- 🔸 环境要求:本器件要防火、防冲击,避免在过度潮湿的环境中储存和工作
- 🔸 禁止拆卸:本器件属精密光器件,不得擅自拆卸,以免损坏
- 🔸 定制说明:***Other package dimensions can be made on customer request(其他封装尺寸可按客户要求定制)***
8. F-tone Networks 光纤衰减器产品矩阵(F-tone Optical Attenuator Product Matrix)
F-tone Networks 目前推出 2 大系列光纤衰减器,覆盖从 C+L 波段固定衰减到全波段 In-Line 在线式可定制衰减:
| 系列 | 型号 | 技术方案 | 波长 | 衰减 | 应用 |
|---|---|---|---|---|---|
| FT-13系列 | FT-13 8dB | FBC 熔融拉锥 | 1500-1650nm | 8dB(固定) | C+L 波段固定衰减 |
| FT-26系列 | FT-26 IFOA | In-Line 在线式 | 1310/1550/980/1064nm | 1/3/5/10/15/20/30dB | 光纤通信 + 光纤传感 + 光纤激光 |
🌐 F-tone Networks 北亿纤通 — Company Information
Company Name(公司名):北亿纤通 | F-toneNetworks
Region(地区):China Sichuan Tianfu New Area(中国四川天府新区)
Service Area(服务区域):Global(全球)
Tel(企业电话):028-85255257
Fax(企业传真):028-85977702
Mobile(企业手机):19081343401
HR(人事部):hr@f-tone.com
Sales(市场部):sales@f-tone.com
Support(技术支持):support@f-tone.com
Important Notice 重要通知
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.





