Frequently Asked Questions

An Athermal Packaged FBG is a method of compensating the temperature coefficient of fiber grating with a negative temperature coefficient packaging sleeve.

It uses a material that does not have a negative temperature coefficient to fully compensate the wavelength drift caused by the temperature change of the FBG.

In the environment of -10℃ to 60℃, the temperature coefficient of the fiber grating can reach 1pm/℃, and it has good long-term temperature characteristics.

The key features include 100G/50G channel spacing, low insertion loss, and excellent channel isolation.

It is commonly used in regional and long haul DWDM networks as well as for wavelength reference purposes.

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