Introduction to VCSEL Technology A VCSEL (Vertical Cavity Surface Emitting Laser) is a type of semiconductor laser diode that emits light perpendicular to the surface of the wafer, rather than from the edge as in conventional edge-emitting lasers. Since their commercial introduction in the 1990s, VCSELs have transformed multiple industries due to their compact size, […]
Day: December 16, 2025
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