1550/980 nm WDM-Isolator Hybrid for Fiber Optic Gyroscopes
WDM-Isolator Hybrid (FOG Component) · YFFB1550H980
Hybrid optical component integrating WDM and isolator functions, passing 1528–1568 nm and reflecting 980 ± 10 nm. Signal insertion loss ≤1.0 dB, pump insertion loss ≤0.5 dB, isolator isolation ≥35 dB, and polarization dependent loss ≤0.2 dB in a compact glass tube package.
Pass Wavelength
1528 ~ 1568 nm
Reflect Wavelength
980 ± 10 nm
Signal Insertion Loss (Signal to Com)
≤ 1.0 dB
Product Gallery
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
Technical Specifications
Optical Specifications
- Pass Wavelength
- 1528 ~ 1568 nm
- Reflect Wavelength
- 980 ± 10 nm
- Signal Insertion Loss (Signal to Com)
- ≤ 1.0 dB
- Pump Insertion Loss (Pump to Com)
- ≤ 0.5 dB
- Isolator Isolation
- ≥ 35 dB
- WDM Pass Isolation @980nm
- ≥ 25 dB
- WDM Reflect Isolation @1550nm
- ≥ 15 dB
- Polarization Dependent Loss
- ≤ 0.2 dB
- Return Loss @23°C
- ≥ 50 dB
- Directivity (Pump to Signal)
- ≥ 50 dB
- Polarization Mode Dispersion
- ≤ 0.05 ps
Power Specifications
- Signal Optical Power
- ≤ 500 mW
- Pump Optical Power
- ≤ 1 W
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 undefined
- Fiber Type
- ZBL Fiber Com & Pump: OFS 980-20 undefined
- Pigtail Length
- 1.0 ± 0.1m undefined
- Fiber Jacket
- 250μm bare fiber undefined
Package Information
Technical Drawings
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