1310/1550nm Mini SM Dual-Stage Optical Isolator

Enquire Now

Ø 2.5 x L 17 mm

The OISM Series optical Isolator is a passive device that passes light in the normal direction while blocks light in the reverse direction for any state of polarization. Employing Agiltron’s advanced all glass micro optics design, it features ultra-low insertion loss, high power handling high isolation, ultra-mini structure, and high stability. The device is RoHS compliant and Telcordia qualified, an ideal choice for applications in fiber amplifiers, pump lasers and optical fiber sensors.

  • Low Insertion Loss
  • High Power Handling
  • Compact
  • High Reliability
  • Low Cost
  • RoHS Compliant
  • Low Cost


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


OISM Mini Dual StageSpecificationUnit

Wavelength (lo)

13101310 ± 15nm
C Band1550 ± 15
L Band1585 ± 15
Typical Insertion Loss (lc, 23oC, no connector)≤ 0.45dB
Maximum Insertion Loss (Over lo, 23oC, no connector)≤ 0.50dB
Minimum Isolation (Over lo, 23oC)≥ 45dB
Typical Peak Isolation (lc, 23oC)≥ 55dB
Polarization Dependant Loss≤ 0.1dB
Polarization Mode Dispersion≤ 0.05ps
Return Loss (Minimum, Input/Output)≥ 55dB
Operating Temperature-5 ~ +70oC
Storage Temperature-40 ~ +85oC
Optical Power Handling≤ 1W
Package DimensionsØ 2.5 x L17mm


P/N: N/A