Jul 23, 2026Technical Insights
Best Wavelength for Red Light Therapy? A Guide for Device Makers
Best wavelength for red light therapy devices: matching 630–680nm red to skin and scalp targets, and knowing when near-infrared is required.
Insights: Technology, Applications & Corporate News
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Jul 19, 2026Technical Insights
650nm VCSEL SMDs for Lighter, Thinner Hair-Growth Devices
Learn how 650nm VCSEL SMDs help replace TO-5.6 lasers with lighter packages, lower current, SMT assembly, built-in Zener protection, and PCB or FPC integration.
Jul 18, 2026Technical Insights
Should Your Team Buy VCSEL SMD or Bare Die?
VCSEL bare die or SMD: why emitter pitch and the CW rating, not volume, decide which format a red light device OEM should be buying.
Jul 18, 2026Technical Insights
Laser vs LED for Red Light Therapy Devices
Laser vs LED red light therapy: where a VCSEL wins on irradiance, where it loses on efficiency, and how to design out the ring.
Jul 17, 2026Technical Insights
FDA CDRH Reporting for PBM and LLLT VCSEL Devices
Understand FDA CDRH reporting for VCSEL components used in PBM and LLLT devices, including accession numbers, reporting exemptions, and OEM responsibilities.
Jul 17, 2026Technical Insights
Which Light Source Does an Equine Red Light Therapy Device Need?
Equine red light therapy devices: why 660nm is a surface tool on a horse, how the coat eats irradiance, and when near-infrared is required.
Jul 17, 2026Technical Insights
660nm Red Light Sources for Devices — 5mW or 7mW?
660nm red light sources for therapy and beauty devices: choosing 5mW vs 7mW, emitter pitch, irradiance and dose, and SMD packages.
Jul 16, 2026Technical Insights
894.6nm / 895nm VCSEL for Cesium Atomic Clock Optical Pumping
894.6nm / 895nm single-mode VCSELs can be evaluated as compact optical source candidates for cesium D1-line atomic clocks and Cs vapor-cell systems.
Jul 1, 2026Technical Insights
795nm & 894.6nm VCSELs for OPM Magnetometers
795nm and 894.6nm single-mode VCSEL sources for Rb and Cs OPM magnetometers, vapor-cell magnetic sensing, OSRAM / Vixar alternative review and non-magnetic package discussion.
Jun 29, 2026Technical Insights
5050 Packaged VCSEL Lasers: Specifications and Application Guide
Learn how to evaluate 5050 VCSEL packages by wavelength, drive current, optical output, beam angle, thermal path, SMT process, and use case.
Jun 26, 2026Technical Insights
Alternative Source Evaluation for 795nm VCSEL Projects
795nm single-mode VCSEL bare die for rubidium D1-line atomic clock evaluation, quantum sensing, Vixar / OSRAM V00145 alternative source review, and vapor-cell modules.