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    Optical Isolator
    Product Information :

    Optical isolator is a combination of a polarization Beamsplitter cube (PBS) and a quarter waveplate made of crystal quartz. Incident light is linearly polarized by PBS and converted to circular polarization by the quarter waveplate. If any portion of the emerging beam is reflected back into the isolator, the quarter waveplate will convert the reflected beam into a linearly polarized beam which is perpendicular to the input beam. This beam is then blocked by PBS and it will not return to the input side of the system.

    Block optical feedback
    Passive isolation of linearly polarized light
    High isolation
    RoHS Compliant


    Material Crystal Quartz & BK7
    Dimension Tolerance ±0.2mm
    Surface Quality 60/40
    Clear Aperture >90%
    Beam Deviation <3 arc minutes
    Transmitted Wavefront Distortion λ/4@632.8nm
    Isolation >20dB
    Transmission Tp>95%, Ts<1%
    Reflection Rs>99%, Rp<5%
    AR Coating

    R<0.25%@ central wavelength on all entrances
    Damage Threshold

    >500mJ/cm2, 20ns, 20Hz, @1064nm

    Fuzhou Farview Optics Co.,Ltd. All rights reserved.