D-Q-TQG-YFFB1550H980
YFFB1550H980
High-performance hybrid optical component integrating WDM and isolator functions for FOG applications
The D-Q-TQG-YFFB1550H980 is a high-performance hybrid optical component that integrates a WDM (Wavelength Division Multiplexer) and an optical isolator in a compact glass tube package. Designed specifically for fiber optic gyroscope applications, it efficiently combines the 1550nm signal light and 980nm pump light while providing essential optical isolation to ensure system stability and reliability.
Key Features
- Integrated WDM and isolator functions
- High isolation ratio
- Low insertion loss
- Wide operating temperature range
- Compact glass tube package
- High return loss
- Excellent directivity
- Stable polarization characteristics
Applications
Fiber optic gyroscopes (FOG)Optical fiber amplifiersOptical sensing systemsPrecision navigation systems
Specifications
Optical Specifications
| Pass Wavelength | 1528 ~ 1568nm |
| Reflect Wavelength | 980 ± 10nm |
| Signal Insertion Loss (Signal to Com) | ≤ 1.0dB |
| Pump Insertion Loss (Pump to Com) | ≤ 0.5dB |
| Isolator Isolation | ≥ 35dB |
| WDM Pass Isolation @980nm | ≥ 25dB |
| WDM Reflect Isolation @1550nm | ≥ 15dB |
| Polarization Dependent Loss | ≤ 0.2dB |
| Return Loss @23°C | ≥ 50dB |
| Directivity (Pump to Signal) | ≥ 50dB |
| Polarization Mode Dispersion | ≤ 0.05ps |
Power Specifications
| Signal Optical Power | ≤ 500mW |
| Pump Optical Power | ≤ 1W |
Environmental Specifications
| Operating Temperature | -40 ~ +70°C |
| Storage Temperature | -40 ~ +85°C |
| Operating Relative Humidity | 5 ~ 95% |
| Storage Relative Humidity | 5 ~ 95% |
Mechanical Specifications
| Package Size | Glass tube φ2.2 × 25mm |
| Fiber Type | ZBL Fiber Com & Pump: OFS 980-20 |
| Pigtail Length | 1.0 ± 0.1m |
| Fiber Jacket | 250μm bare fiber |
Package Information
Technical Drawings

