• Metal ion doped fiber
  • Attenuation levels ranging from 1dB to 30dB
  • Low back reflection
  • High power endurance
  • Maximum stability, reliability and flat spectral response
  • 100% IL, RLand visual inspection tested

Technical Data

Item Parameter
Operating Wavelength 1310nm or 1550nm
Attenuation Range 1~30dB
Return Loss PC:≥50dB
UPC: ≥55dB
APC: ≥60dB
Attenuation Tolerance ±0.5dB (1-10dB)
±1.0dB (11-20dB)
Polarization Dependent Loss <0.1dB
Maximum Optical Input Power 200mW
Operating Temperature -40°C~+75°C


  • Passive optical networks
  • Fiber optical sensor
  • Optical power receivers protection
  • Multi-wavelength systems balancing
  • EDFA loop tests and measurements