Shenzhen Haiyu Optics Communication Equipment Co., Ltd.
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1650nm chirp FBG Optical Fiber Bragg Grating
Optical parameter:
| item | parameter | specification | unit | Remarks | |
| 1 | wavelength range | Pass band | 1260~1625 | nm | - |
| Reflect band | 1644.5~1655.5 | nm | - | ||
| 2 | Pass band | IL | ≤1.0 | dB | @1260~1360 |
| ≤1.0 | dB | @1460~1600 | |||
| ≤2.5 | dB | @1600~1625 | |||
| ORL | ＞35 | dB | @1260~1580 | ||
| ＞30 | dB | @1580~1620 | |||
| ＞20 | dB | @1620~1625 | |||
| 3 | Reflect band | IL | ＞21 | dB | @1644.5~1655.5 |
| ORL | ≤1.0 | dB | @1644.5~1655.5 | ||
| 4 | PDL | ≤0.4 | dB | @1260~1600 | |
| 5 | Ripple | ≤0.6 | dB | @1644.5~1655.5 | |
| 6 | TDL | ≤0.5 | dB | @1260~1600 | |
Note
The product is used for two models, FBG-1650-S and FBG-1650-D.
FBG-1650-S is a traditional chirp grating with directionality, which satisfies parameters above in one direction.
The FBG-1650-D is a bidirectional chirped grating that satisfies parameters above in both directions.
Description:
The FBG is a fiber grating with a linear variation of the refractive index modulation period along the core direction. a large bandwidth is its main feature, which can generally reach several nanometers or tens of nanometers.
Characteristics:
● High stability and reliability
● Remote real-time detection
● Low insertion loss
● Easy connection for adapter structure
● Compliant with Telcordia GR-326-CORE, Telcordia GR-1221-CORE
● Compliant with RoHS
Working/storage conditions:
| Parameter | Specification | Unit |
| Working temperature | -25 ~ +65 | °C |
| Working humidity | 5~95 | %RH |
| Storage temperature | -40 ~ +85 | °C |
| Storage humidity | 5~95 | %RH |