How Flow Cytometry Works: Optics, Lasers and Photon Detectors

01 July 2026

Flow cytometry provides fast, quantitative single-cell analysis by directing cells through laser beams to capture scattering and fluorescence signals. Optical components, including lasers, filters, and photon detectors such as PMTs, APDs, and SiPMs, determine sensitivity and accuracy, highlighting the importance of precise optical design to ensure reliable, high-quality data.

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