Product Section of AOS GmbH
Fiber Bragg Gratings (FBG) are basic components in optical communications and optical sensing of strain or pressure or temperature. AOS offers a number of telecommunication devices and optical sensor products. Fiber Bragg Gratings for telecommunication are acting as filter, in-fiber cavity for fiber lasers, or wavelength reference, used in DWDM or CWDM systems.
FBG sensors are optical fiber sensors. The propagating light is split at the active part into a transmitted part and in a reflected part. The center frequency of the reflected light shifts with the introduced strain and/or temperature, so the FBG sensor performs as long term stabil, calibration free optical strain gage.To work with FBGs you may need broad band LED sources to illuminate them. Another necessary device for all optical systems are wavelength references that may be used as calibration modules.
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