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LIV Testing VCSELs for 3D Sensors
The integration of 3D sensing and imaging capabilities into various applications such as consumer electronics, medical, industrial and commercial robotics, automotive, aerospace and defense have driven the growth of the global 3D sensing and imaging market. For consumer electronics applications like smartphones, tablets, and laptops, the accelerating growth is phenomenal.
Vertical Cavity Surface Emitting Lasers (VCSELs) are well-proven laser sources for 3D sensor illumination. The key advantages of 3D sensing devices are low cost, wavelength stability over temperature and optical efficiency within a small footprint. Another upside of VCSELs is that they can be tested at the wafer level early in the production process (unlike other edge-emitting semiconductor lasers that can only be tested as finished products). This permits component failure detection early in the production process, saving both money and time by eliminating defective devices before packaging.
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