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Help CenterTilted Fiber Bragg Grating
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Tilted Fiber Bragg Gratings (TFBGs) present a refractive index modulation blazed by a few degrees in the plane perpendicular to the optical fiber axis. This results in two kinds of couplings: self-backward coupling of the core mode and numerous backward couplings between the core mode and the cladding modes. TFBG transmitted amplitude spectra are therefore characterized by several tens of cladding mode resonances that possess their own sensitivity to the surrounding refractive index (SRI).
Product Features
l High accuracy
l Easy to install
l Easy to daisy-chain
l Long lifetime
Product Applications
l Biosensing
l Chemicals
l Gas Detection
l Commercial Sensing
Parameters |
Unit |
Values |
Center Wavelength |
nm |
1460 ~ 1610 |
Tilted Angle |
-- |
1-10° |
Core mode transmission deep |
dB |
5~30 |
FBG Length |
mm |
10~20 |
Cladding mode transmission deep |
dB |
5~30 |
Recoat |
-- |
Acrylate Or Polyimide |
Proof Test |
Kpsi |
≥100 |
Fiber Type |
-- |
SMF-28e Or Polyimide Fiber (OFS BF04446) |
Fiber Termination |
-- |
Bare Fiber, FC/UPC, FC/APC Or E2000 |
Pigtail Length |
-- |
Customized |
Operating Temperature |
℃ |
-40 ~120 |
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