1310/1550nm MM Dual-Stage Optical Isolator

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The OIMM Series 1310/1550 dual stage optical Isolator is a passive device that guides light at 1310/1550 nm in the normal direction while minimizing back reflection and back scattering in the reverse direction for any state of polarization. Employing Agiltron’s proven advanced micro optics design, it features low insertion loss, extremely high isolation, compact structure, and high stability. These Telcordia qualified components have excellent characteristics, making them an ideal choice for application in fiber amplifier systems, pump laser diodes and optical fiber sensors.

  • Low Insertion Loss
  • High Isolation
  • Low PDL
  • High Reliability
  • Low Cost


  • Optical Fiber Amplifier
  • Pump Laser Source
  • Fiber Optic Sensor
  • Instrumentation


OIMM Dual StageSpecificationUnit
Operation Wavelength (lo)13101310 ± 15nm
C+L Band1535 ~ 1620
Mode Category1-34-5
Typical Insertion Loss (lc, 23oC, no connector)*≤ 0.6≤ 0.5dB
Maximum Insertion Loss (Over lo, 23oC, no connector)*≤ 0.9≤ 0.8dB
Minimum Isolation (Over lo, 23oC)*≥ 35≥ 37dB
Typical Peak Isolation (lc, 23oC)*≥ 40≥ 40dB
Return Loss (Minimum, Input/Output)*≥ 37≥ 40dB
Operating Temperature-5 ~ +70oC
Storage Temperature-40 ~ +85oC
Optical Power Handling≤ 400mW
Fiber type62.5/125/250
Package DimensionsÆ5.5 x L34mm


Our device is designed and optimized for certain laser launch condition which

is characterized as CPR value. In general, if application exceeds the specified

CPR value, optical performance will become worsen.


P/N: N/A