Signal input interface

• Fiber pigtailed:
   - PM980 (6 µm MFD PM fiber)

Signal output interface

• Free space (~3 degree angle polished output facet)

Pumping interface

• Number of pump ports:
   - 1-14
    
• Pump fibers:
   - 105 µm/0.15 NA
   
• Wavelength (for selection of optimum fiber length):
   - 915 nm
   - 976 nm