Non-thermal (thermally insensitive) packaged Fiber Bragg Grating (FBG)

Non-thermal (thermally insensitive) packaged Fiber Bragg Grating (FBG)

Fiber Bragg Gratings (FBG) are highly sensitive to temperature changes. Their thermal sensitivity is approximately 6.7 ppm/°K (at a wavelength of 1550 nm, it is +0.11 pm/°K). Non-thermal encapsulated FBGs are designed to passively compensate for the thermal sensitivity of FBGs through the expansion matching of the shell elements and the wavelength shift of the FBG under temperature influence. This design allows customers to achieve all the advantages of Fiber Bragg Gratings while maintaining high wavelength stability over a wide temperature rang

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Main parameters
General Parameters
Optional Configurations
Downloads

Main parameters

Core parameters

Dimension Drawing

General Parameters

Parameters

Grating Characteristics	GTL-FBG-AP-850	Tolerance/Considerations
Wavelength Range (nm)	600~2300	± 0.1 ~ ± 1 Customizable
Fiber Type	SM, PM, Double Cladding, LMA	Or Customizable
Fast Order Wavelengths (nm)	633, 780, 794, 797, 799, 801, 809, 830, 852, 895, 940, 976, 1030, 1057, 1060, 1064, 1080,1125, 1150, 1178, 1240, 1270, 1310, 1580, 1650, 1900, 1908, 1952, 2300	± 0.1 ~ ± 1 Customizable
Thermal Wavelength Stability (0 ~ +70°C) (nm)	< 0.16
Reflectivity (%)	5 ~ 99	2 ~ 5 Customizable
Bandwidth (FWHM) (nm)	0.05~1.2	Customizable
Grating Length (mm)	1 ~ 20	Customizable
SLSR, dB	~8	Customizable
FBG Pigtail Length (m)	≥ 0.5	Or Customizable
Tensile Strength (kpsi)	› 100
Fiber Connector	Bare fiber, FC/APC, LC/APC	Or Customizable
Package Size (LxWxH) (mm)	66×18×12

The reflection spectrum of a typical FBG

The change of the center wavelength of uncoated and non-thermally packaged FBG with temperature:

Optional Configurations

Downloads

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