Broad Band Light

Views Updated: Dec 15, 2025

Abbreviation

BBL

Pronunciation

/brɔd bænd laɪt/

When the broad band light source is input, the VEDFA gain characteristics in the two fiber gratings different wavelength difference are obtained.
In experiment broad band light source combined with a fiber tunable filer scans reference spectrum and sensing spectrum respectively.
The technique which Optical interferometer with low coherence and broad band light drive accomplished physical measurement is called white light interference measuring technique. Its merit is that it can be accomplished measurement of absolute quantities and high accuracy and anti-jamming features.
The harmonic degree is chosen through numerical value simulation. Analyzed the measurement principles of wavelength modulation based on narrowband light source ( DFBLD ) and broad band ( LED ) light source. The mathematical model of harmonic detection is built up.
A new technique for optical fiber interferometer sensor use is possible, namely that associated with the use of low coherence, broad band spectral sources such as light emitting diodes ( LED ), multimode laser diodes or halogen lamps.

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