富光AOI 8/13.5 epoxy type CWDM TFF filter 是专门为CWDM Z-BLOCK mux demux 光学组件应用而设计的全波或半波CWDM滤波片，它采用13.5度大入射角设计来压缩BLOCK尺寸，采用粘接面为波长工作膜面设计来消除滤波片双面加工公差带给光斑光束的偏移误差。它具有面型品质高，便于粘接，光束平行度高；膜层牢固度强，满足非气密性封装应用环境；通道中心波长一致性好，带宽大，PIV曲线（LD输入电流值与BLOCK后端的光功率测量值）的线性工作区间大，机器耦光效率高；采用微晶基材，热稳定性高。接受客户不同规格指标的开炉定制。
富光AOI 8°/13.5° epoxy type CWDM TFF filter 是专门为CWDM Z-BLOCK mux demux 光学组件应用而设计的CWDM滤波片，它采用8°/13.5°度大入射角设计来压缩BLOCK尺寸，采用粘接面为波长工作膜面设计来消除滤波片双面加工公差带给光斑光束的偏移误差。它具有面型品质高，便于粘接，光束平行度高；膜层牢固度强，满足非气密性封装应用环境；通道中心波长一致性好，带宽大，PIV曲线（LD输入电流值与BLOCK后端的光功率测量值）的线性工作区间大，机器耦光效率高；采用微晶基材，热稳定性高。接受客户不同规格指标的开炉定制。
特点/Feature：
● 低插入损耗 Low insertion loss;
● 高隔离度通道 High channel isolation;
● 卓越的可靠性和稳定性 Excellent reliability and stability;
● 符合行业标准 Complies with Telcordia GR-1121 and GR1209 standards.
应用/Application：
● 高速收发器 High-speed transceiver;
● WDM PON网络 WDM PON network;
● 5G前传和城域网 5G front-end and metropolitan area network;
● 仪器和实验室 Instruments and laboratories.
技术指标/Specification：
Parameter | Unit | Specifications |
Mounting | Epoxy type | |
Operating wavelength range | nm | 1260~1620 |
Center wavelength | nm | 1270, 1290, 1310, 1330 or ITU |
Channel spacing | nm | 20 |
Pass-band (PB) | nm | ±7.0 |
Reflection-band 1 (RB) | nm | 1260~(λc-13.0) & (λc+13.0)~1460 |
Adjacent channel isolation@RB | dB | >25 |
Max. insertion loss within PB | dB | <0.35 |
Transmission IL variation within PB | dB | <0.25 |
Reflection isolation within PB | dB | >13 |
Transmission PDL within PB | dB | <0.1 |
CW temp. sensitivity | pm/℃ | <2 |
Reflection（AR coating on backside） | % | <0.2 |
A.O.I. (Optional Range Angle within Angle Tolerance) Define: Only one of the angle range A.O.I.±0.3 deg can meet all the optical specs | ° | 8±0.3/13.5±0.3 |
Dimension (L*W) | mm | 0.77(±0.03)x1.0(±0.03) or Customization |
Thickness | mm | 0.60(±0.03) |