How to measure the emission of light from optical fibers
Fiber photometry is an optical method that is based on the principle of measuring the light emitted from fluorescent molecules via time-correlated single-photon counting (TCSPC)- based fiber optics. Silica-based light-guide fibers have been produced and deployed with great success in spite of their well-known ''brittleness. '' For instance, techniques have been developed that allow long lengths (tens of kilometers) of such fibers to be drawn and coated in-line. Abstract: It appears to be quite simple to measure the absorption spectrum of an active fiber with a white-light source and an optical spectrum analyzer.
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