Fiber Grating Array
Writing serial gratings on one fiber can meet the requirements for long monitoring and multi-points monitoring. It featured stability and reliability, as well as simplify the system.
Feature
No Need Splicing
Accurate Position
High Stability and Reliability
Application
Distributed Sensing Measurement
Wavelength Reference
Specification
|
Parameter |
Unit |
Value |
|
Center Wavelength |
nm |
1510-1590 |
|
Wavelength Tolerance |
nm |
+/-0.5 |
|
FBG Length |
mm |
3 |
5 |
10 |
15 |
|
Bandwidth@-3dB |
nm |
≤0.7 |
≤0.7 |
≤0.3 |
≤0.3 |
|
Reflectivity |
|
≥70% |
≥75% |
≥90% |
≥90% |
|
SLSR |
dB |
≥15 |
|
Min. Spacing |
mm |
10 |
|
Spacing Accuracy |
mm |
≤5 |
|
Recoating |
|
Acrylate or polyimide |
|
Proof Test |
Kpsi |
≥100 |
|
Fiber type |
|
SMF-28e or polyimide fiber |
|
Fiber length |
m |
1 or other |
|
Connector Type |
|
Bare fiber, FC/PC, FC/APC, SC/APC or E2000 |
|
Operating Temperature Range |
℃ |
SMF-28e Fiber: -20~120
Polyimide Fiber: -40~300 |
|
Storage Temperature Range |
℃ |
-40~85 |
Spectrum
Fused Coupler
