Product Overview
PFP Cladding Mode Offset Photosensitive Single-Mode Fiber
PFP's Cladding Mode Offset Fibers offer enhanced performance when writing two or more gratings adjacent to each other (circa 9 nm offset). Cladding Mode Offset fibers exhibit low splice loss to the industry-standard telecommunications fiber. This photosensitive fiber provides a cost-savings for grating-writing because customers can write highly repeatable, quality gratings in a short time.
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Optical Specifications |
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| Operating Wavelength (nominal) | 1550 nm |
| Mode Field Diameter | 4.0 ± 0.3 µm @ 1550 nm |
| Second Mode Cut-Off | < 1450 nm |
| Cladding Mode Offset (nominal) | 9 nm |
| Core Numerical Aperture (nominal) | 0.30 |
| Bend Loss for 100 turns @ 25 mm radius | < 0.001 dB @ 1550 nm |
| Bend Radius for 0.05 dB per 100 Turns | Much less than LTBR @ 1550 nm |
Geometrical & Mechanical Specifications |
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| Clad Diameter | 125.0 ± 1.5 µm |
| Coating Diameter | 250 ± 20 µm |
| Core-Clad Concentricity | < 0.5 µm |
| Coating/Clad Offset | &*8805; 5 µm |
| Core Composition | Photosensitive |
| Coating Material | UV Cured, Dual Acrylate |
| Operating Temperature | -55 to +85 ∞C |
| Short-Term Bend Radius | &*8805; 12 mm |
| Long-Term Bend Radius | &*8805; 25 mm |
| Proof Test Level | &*8805; 100 kpsi (0.7 GN/m≤) |
Note: A re-spooling & cut fee of $30.00 is included for all lengths under the 100 meter spool size. To order an entire 100 meter spool please contact our Customer Service Department.