富光科技AOI 1.8 Air type LWDM TFF filter是一款专门为三端口LWDM mux demux器件而设计的LWDM滤波片，它采用1.8度入射角设计，它具有膜层牢固度强，通道中心波长一致性好，带宽大；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 | Specifictions |
Mounting |
| Air-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 | ±1.2 |
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. | ° | 1.8±0.3 |
Dimension (L*W) | mm | (1.4±0.05) * (1.4±0.05) |
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