Free-Space Faraday Optical Isolator (TGGG)

Features:
  • Low Insertion Loss
  • High Isolation
  • High Stability
  • High Reliability
  • Cost Effective

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SKU: OITG

The OITG Series Free Space optical Isolator is an unidirectional light valve that transmits light in normal direction while blocking backreflection and backscattering in the reverse direction.  The device protects a laser source from destabilizing feedback or damage from back reflected light.  The OITG isolators are based on TGG Faraday crystals of low loss and high optical power threshold.  High power fused silica PBS cubes are used for polarization filtering and waveplate is optional to rotate the polarization of the output beam to a desired direction.  Double escape ports are built-in for added application flexibility.

With Photonwares’s proprietary magnetic-optics technology and proven advanced micro-optics design, it features  low insertion loss, high isolation, compact structure, high power handling, and high stability. Photonwares also provides customized design to meet special applications.

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OI Series Min Typical Max Unit
Center Wavelength 450 1060 nm
Insertion Loss 0.3 0.8 dB
Wavelength Dependent Loss 0.2 dB
Isolation   Single Stage 25 35 38 dB
Isolation   Double Stage 40 45 55 dB
Optical Aperture F 2.0 mm
F 5.0
Pulse Damage Threshold 10@10ns 1@8ps J/cm2
Operation Temperature -10 60 ºC
Polarizer Type Horizontal
Polarizer Type PBS Cube