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 Stage Specification Unit
Operation Wavelength (lo) 1310 1310 ± 15 nm
C+L Band 1535 ~ 1620
Mode Category 1-3 4-5
Typical Insertion Loss (lc, 23oC, no connector)* ≤ 0.6 ≤ 0.5 dB
Maximum Insertion Loss (Over lo, 23oC, no connector)* ≤ 0.9 ≤ 0.8 dB
Minimum Isolation (Over lo, 23oC)* ≥ 35 ≥ 37 dB
Typical Peak Isolation (lc, 23oC)* ≥ 40 ≥ 40 dB
Return Loss (Minimum, Input/Output)* ≥ 37 ≥ 40 dB
Operating Temperature -5 ~ +70 oC
Storage Temperature -40 ~ +85 oC
Optical Power Handling ≤ 400 mW
Fiber type 62.5/125/250
Package Dimensions Æ5.5 x L34 mm


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