Visit bit.ly/nbTUfA for more information. Learn the fundamentals of fiber Bragg grating (FBG) optical sensing technology through a step-by-step visual guide of how FBG optical sensors work.
Wait. First part of the video shows some sort of material installed in the fiber itself. The last part of the video shows some large device spliced into the cable. What is what?
1st one is an optical structure inside of optical fiber which called Bragg structure (Bragg reflector) and that reflector consist from many semitransparent mirrors (there are can be thousands of them) and works as filter for exact wavelength. Principle is based on reflection of wave from each "mirror" and depends on distance between "mirrors"=L. So finally wave with wavelength =2*n*L (n is average reflection coefficient of Bragg structure) will be almost completely reflected. Rest of wavelengths will be impacted just a little. 2nd one probably is just optical connectors
Quick, yet great explanation! Thanks!
Love it. Thanks for Sharing Sir.
awesome....simple yet comprehensive
Thanks love situational awareness in optical science and sensors .
Wait. First part of the video shows some sort of material installed in the fiber itself. The last part of the video shows some large device spliced into the cable.
What is what?
1st one is an optical structure inside of optical fiber which called Bragg structure (Bragg reflector) and that reflector consist from many semitransparent mirrors (there are can be thousands of them) and works as filter for exact wavelength. Principle is based on reflection of wave from each "mirror" and depends on distance between "mirrors"=L. So finally wave with wavelength =2*n*L (n is average reflection coefficient of Bragg structure) will be almost completely reflected. Rest of wavelengths will be impacted just a little.
2nd one probably is just optical connectors