Insights: Technology, Applications & Corporate News

Aug 29, 2026Technical Insights

650nm VCSEL SMDs replace TO-5.6 lasers with lower-current SMT packages, Zener protection, and PCB or FPC integration for hair-growth devices.

Aug 29, 2026Technical Insights

VCSEL or LED? Compare wavelength, beam direction, system efficiency, cost, and validation steps to choose the right source for an OEM device.

Aug 25, 2026Technical Insights

Learn what a chip-scale atomic clock VCSEL needs: single-mode output, narrow linewidth, D1 wavelength tuning, polarization, and RF modulation.

Aug 23, 2026Technical Insights

Best wavelength for red light therapy devices: matching 630–680nm red to skin and scalp targets, and knowing when near-infrared is required.

Aug 23, 2026Technical Insights

What is a VCSEL? A surface-emitting semiconductor laser whose structure enables wafer-level testing, binning, arrays, and a symmetric beam.

Aug 23, 2026Technical Insights

Learn how to evaluate 5050 VCSEL packages by wavelength, drive current, optical output, beam angle, thermal path, SMT process, and use case.

Aug 13, 2026Technical Insights

How to read a VCSEL datasheet: what wavelength, optical power, beam divergence, linewidth, and threshold current mean for your device.

Aug 13, 2026Technical Insights

Red light devices often pass prototype but fail in production when peak wavelength and optical power vary across the production population.

Jul 18, 2026Technical Insights

Laser vs LED red light therapy: where a VCSEL wins on irradiance, where it loses on efficiency, and how to design out the ring.

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