AOI 8/13.5 epoxy type LWDM TFF filter 是专门为LWDM Z-BLOCK 光学组件应用而设计的LWDM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；膜层损伤阈值高，匹配高功率远距离EML激光器；通道中心波长一致性好，带宽大，TOSA ROSA机器耦光效率高；采用微晶基材，热稳定性高。接受客户不同种规格指标的开炉定制。
产品特性：
Ø低插入损耗；
Ø高通道隔离度；
Ø卓越的可靠性和稳定性；
Ø符合Telcordia GR-1121和GR1209标准。
产品应用：
Ø高速收发器
ØWDM PON网络
Ø5G前传和城域网
Ø仪器和实验室
技术指标：
Parameters | Unit | Specifcations |
Mounting |
| Epoxy-type |
Operating wavelength range | nm | 1260~1360 |
Center wavelength (lc) | nm | 1273.54,1277.89,1282.26,1286.66, 1295.56,1300.05,1304.58,1309.14. or I.T.U. Grid: O-band available |
Channel spacing | Hz | 800G |
Pass-band (PB) | nm | ±1.3 |
Reflection-band 1(RB) | nm | 1260~(lc-3.45) & (lc+3.45)~1360 |
Adjacent channel isolation@RB | dB | >25 |
Non-adjacent channel isolation@RB | dB | >45 |
Max. insertion loss within PB | dB | <0.35 in glass |
Transmission IL variation within PB | dB | <0.25 in glass |
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. | ° | 8±0.3 / 13.5±0.3 |
Dimension（L*W） | mm | (0.75±0.05) * (1.0±0.05) or Customization |
|