富光科技4 CH LWDM B-B IO 750 Demux Block是一款光束間隔為0.75mm、工作波長在LWDM藍帶區、帶輸入輸出導向棱鏡、外觀尺寸為7.05*4*2mm的高速模塊接收端ROSA BLOCK光學組件。它基于光學薄膜濾波(TFF)技術,采用光學精密加工和制作,把來自光網絡波長為1277.89, 1282.26, 1286.66, 1291.10nm,通道間隔為800GHz的4個波長分開后導入到PD感光面,與基于硅基芯片的AWG技術相比較,基于TFF薄膜濾波技術的Z-BLOCK技術具有高隔離度、超小尺寸、通道一致性高和超低插損的特性。該系列產品有2CH/4CH/6CH/8CH等多種通道、多種光束間隔和多種入射角規格供客戶選擇和定制。
產品特點:
● 光束平行度高,極大提高耦光效率;
● 插損值小于1.0dB,大大低于AWG;
● 高隔離度;
● 工作溫度范圍廣;
● 的可靠性和穩定性;
● 滿足GR-1221/1209標準。
產品應用:
● 100G CFP/CFP2/CFP4/QSFP-28 Transceivers
● 40G QSFP/ 400GCFP8Transceivers
● Other High Speed Transceivers
● Science and lab
技術指標:
| Item | Unit | Value |
| Operating wavelength range | nm | 1260~1360 |
| Channel wavelength | nm | 1273.55, 1277.89, 1282.26, 1286.67 |
| Pass band | nm | ±1.1 |
| Ripple over pass band | dB | 0.4 |
| Channel insertion loss | dB | 1 |
| Angle of incidence | ° | 8°±0.2 |
| IL uniformity | dB | ≤0.6 |
| Beam pitch | Mm | 0.75±0.05 |
| Adjacent channel isolation | dB | 30 |
| Non-adjacent channel isolation | dB | 40 |
| Polarization dependent loss | dB | ≤0.25 |
| Return loss | dB | 45 |
| Parallel of all beams | ° | ≤0.2 |
| Operating temperature | °C | -5 ~ +70 |
| Storage temperature | °C | -40 ~ +85 |
| Footprint dimension | mm | 7.05*4*2 |







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