Fluorescence is light emission from a substance after absorbing UV photons. Key applications include high-resolution optics, medical diagnostics, and specialty lighting. Measurement systems vary based on the material's state: For liquid samples, standard cuvettes are used, with fluorescence detected at 90 degrees to the excitation beam to minimize scattered light interference. For solid samples, micro fiber-optic holders with a dual-fiber configuration at 45 degrees are employed for optimal excitation and collection. This non-contact method helps preserve sample integrity.
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