Optical Gratings

Bragg grating sensors make use of the transmission/reflection of light as determined by a series of regular refractive index variations along the axis of a fiber core. The variations form a (Bragg) grating, the exact period of which determines the wavelength of maximum reflection. Applying strain and/or shifting temperature (at the point of the grating in the fiber) alters the period of the grating and causes a change in the reflection intensity for the nominal wavelength – this effect can be calibrated and the grating used as a sensor. AMS Technologies can supply key components for Bragg grating sensors such as analyzers and sensing elements.

Bragg grating sensors make use of the transmission/reflection of light as determined by a series of regular refractive index variations along the axis of a fiber core. The variations form a... read more »
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Optical Gratings

Bragg grating sensors make use of the transmission/reflection of light as determined by a series of regular refractive index variations along the axis of a fiber core. The variations form a (Bragg) grating, the exact period of which determines the wavelength of maximum reflection. Applying strain and/or shifting temperature (at the point of the grating in the fiber) alters the period of the grating and causes a change in the reflection intensity for the nominal wavelength – this effect can be calibrated and the grating used as a sensor. AMS Technologies can supply key components for Bragg grating sensors such as analyzers and sensing elements.

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