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 Wavelength1528 ~ 1568nm
Reflect Wavelength980 ± 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 Humidity5 ~ 95%
Storage Relative Humidity5 ~ 95%

Mechanical Specifications

Package SizeGlass tube φ2.2 × 25mm
Fiber TypeZBL Fiber Com & Pump: OFS 980-20
Pigtail Length1.0 ± 0.1m
Fiber Jacket250μm bare fiber

Package Information

Technical Drawings

YFFB1550H980 Glass tube Package
Technical Drawingother
YFFB1550H980 input and output ports
Technical Drawingother

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