www.artphotonics.com > Products > Special Fibers and Fiber Cables > Comparison of CIR & PIR-Fibers

    Comparison of CIR- & PIR Fibers


    Transmission spectra 
    of 1.5m long PIR-900/1000 fiber (red) versus 1,5m long CIR-750/850 fiber (blue), includes Fresnel reflection & coupling losses at fiber ends and absorption bands of atmospheric moisture

    No.

    Parameter

    Typical value CIR-Fiber

    Typical value PIR-Fiber

    1.

    Transmission Range

    1,5 to 6,0μm

    or 1600 - 6500cm-1

    3 – 18 µm

    or 550 - 3300cm-1

    2.

    Core/Cladding  material

    Chalcogenide As-S glasses

    AgCl : AgBr

    solid solution crystals

    3.

    Specific Features

    Toxic & Fragile Non-hygroscopic

    Non-toxic, Non-hygroscopic, very flexible - up to plastic deformation, UV-sensitive

    4.

    Core Refractive Index

    2.4

    2.2

    5.

    Effective NA

    0.28

    0.25

    6.

    Optical losses

    Min. 0.2 dB/m @  2 – 4 μm

    Min.  0.2-0.3 dB/m @ 10-12 μm

    7.

    Minimum bending radius

    100 x Fiber diameter

     

    8.

    Operating temperature, °C

    -200 < T < 100

    -270 < T < 150

    9.

    Maximum transmitted Power, W

    1

    50 (CW)