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Polarization Maintaining FBG
简要描述： Polarization Maintaining FBG is inscribed into a polarization maintaining fiber, the use of polarization maintaining fiber can ensure that the polarization direction of linearly polarized light remains unchanged, improve the coherent signal-to-noise ratio, and achieve high-precision measurement of physical quantities.
产品介绍
Polarization Maintaining FBG
Polarization Maintaining FBG is inscribed into a polarization maintaining fiber, the use of polarization maintaining fiber can ensure that the polarization direction of linearly polarized light remains unchanged, improve the coherent signal-to-noise ratio, and achieve high-precision measurement of physical quantities.
Key Features
l Dual center wavelength, low polarization crosstalk
l Low loss, high birefringence
l High reliability and high signal-to-noise ratio
Applications
l Special fiber grating sensor
l Special fiber grating filter
l Polarization beam splitter
l High power fiber laser
Main parameters
Item | Unit | Specification | ||||
Center Wavelength | nm | 1460 ~ 1610 | ||||
Wavelength Tolerance | nm | +/-0.5 | ||||
FBG Length | mm | 3 | 5 | 10 | 15 | |
Reflectivity | % | ≥50% | ≥70% | ≥85% | ≥90% | |
Bandwidth (FWHM) | nm | ≤0.7 | ≤0.5 | ≤0.3 | ≤0.3 | |
SLSR | dB | ≥10 | ≥10 | ≥15 | ≥15 | |
FBG Recoating | -- | None, Acrylate, Polyimide or custom | ||||
Tensile Strength | kpsi | ≥100 | ||||
Fiber Type | -- | PM1550, or custom | ||||
Pigtail Length | m | Standard 1m both ends, or custom | ||||
Optical Connector | -- | Bare Fiber, FC/APC, SC/APC, or custom | ||||
Operating Temperature | ℃ | -40 ~ +120 | ||||
