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
Parameter | Typical value CIR-Fiber | Typical value PIR-Fiber |
---|---|---|
Transmission Range | 1.5 to 6.0µm or 1600 - 6500cm-1 | 3 – 18 µm or 550 - 3300cm-1 |
Core/Cladding material | Chalcogenide As-S glasses | AgCl : AgBr solid solution crystals |
Specific Features | Toxic & Fragile Non-hygroscopic | Non-toxic, Non-hygroscopic Very flexible - up to plastic deformation UV-sensitive |
Core Refractive Index | 2.4 | 2.2 |
Effective NA | 0.28 | 0.25 |
Optical losses | Min. 0.2 dB/m @ 2 – 4 µm | Min. 0.2-0.3 dB/m @ 10-12 µm |
Minimum bending radius | 100 x Fiber diameter | |
Operating temperature, °C | -200 < T < 100 | -270 < T < 100 |
Maximum transmitted Power, W | 1 | 50(CW) |