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Fused Coupler 980nm

For splitting and monitoring of pump power in erbium-doped fiber amplifiers at 980 nm.

Full Product Description
980 nm
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Product description

G&H proprietary manufacturing technology provides uniquely low excess loss, along with low polarization and temperature dependence for all ports.

These fused couplers are available in a wide range of tap ratios, wavelength ranges, housing, and connector options, and can be readily specified in a wide variety of applications, enabling rapid design cycles and new project builds. Reliability is assured through qualification to Telcordia GR-1221, with a field-proven FIT rate of <1.

Key features

  • Ultra-low pump loss
  • Minimum wastage of pump power
  • High EDFA output power
  • 960 nm and 1060 nm are also available
  • < 1 FITs


Wavelength980 nm
Return loss/directivity55 dB
Pigtail tensile load5 N
Optical power handling4 W
Operating temperature-40 – +75°C
Storage temperature-40 – +85°C
Environmental qualificationTelcordia GR 1221

Housing codeDescriptionDimensions (mm)Pigtail
2Miniature3.0 (∅) x 45 (L)Primary-coated fiber
3Regular3.0 (∅) x 50 (L)Primary-coated fiber
4Semi-ruggedized slim3.0 (∅) x 60 (L)∅ 0.9 mm loose-tube
5Semi-ruggedized5.0 (∅) x 75 (L)∅ 0.9 mm loose-tube
6Fully-ruggedized80 (L) x 10 (W) x 8 (H)∅ 3.0 mm fan-out sleeving
7High power5 (W) x 5 (H) x 85 (L max)Primary-coated fiber
CRegular high power3.0 (∅) x 50 (L) Primary-coated fiber

Order code

Guidance on how to create an order code is available in Downloads below.