This article examines the key advantages of laser diodes over LEDs, lamps, and other light sources. It explains how their high radiance, electrical efficiency, narrow spectral output, compact size, and high-speed modulation make laser diodes the preferred choice for applications in industrial photonics, biomedical instrumentation, spectroscopy, optical communications, sensing, and imaging. It also provides guidance on selecting the right laser diode based on wavelength, output power, and application requirements.
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Flow cytometer and laser systems
This article provides a practical introduction to flow cytometry and the critical role lasers play in instrument performance. It explains the principles of flow cytometry, system architecture, light scattering and fluorescence detection, cell sorting, and the key considerations for selecting lasers based on wavelength, beam quality, stability, and integration. It is a valuable resource for engineers, scientists, and OEM designers developing or upgrading flow cytometry systems.