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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.

Optical SpecificationsPass Wavelength: 1528 ~ 1568 nm
Optical SpecificationsReflect Wavelength: 980 ± 10 nm
Optical SpecificationsSignal Insertion Loss (Signal to Com): ≤ 1.0 dB

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1550/980 nm WDM-Isolator Hybrid for Fiber Optic Gyroscopes — YFFB1550H980Product reference

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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

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
Fiber Type: ZBL Fiber Com & Pump: OFS 980-20
Pigtail Length: 1.0 ± 0.1m
Fiber Jacket: 250μm bare fiber

Package Information

Technical Drawings

YFFB1550H980 Glass tube Package — Technical Drawingother

YFFB1550H980 input and output ports — Technical Drawingother

Frequently Asked Questions

What is YFFB1550H980?+

Which specifications are published for YFFB1550H980?+

Optical Specifications — Pass Wavelength: 1528 ~ 1568 nm; Optical Specifications — Reflect Wavelength: 980 ± 10 nm; Optical Specifications — Signal Insertion Loss (Signal to Com): ≤ 1.0 dB. See the technical specifications for the complete parameter list.

Documentation,
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Datasheet (PDF)
Full performance curves, pinout diagrams, and environmental testing results.
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1550/980 nm WDM-Isolator Hybrid for Fiber Optic Gyroscopes

Key Features

Applications