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1.4.4 VCSELs as Major Optical Components
ОглавлениеThe single‐mode and multi‐mode VCSELs categorized in Section 1.2.1 show decisive advantages as optical components in communication and sensing as shown in Table 1.5.
1 Single or 1D VCSEL emitters are used as light source in active optical cable (AOC) or optical interconnects for data communication.
2 2D VCSEL arrays found high volume applications as printer and time of flight (ToF) or structured light sources in 3D sensing. Proximity illumination in Face Recognition (FR), Gesture Recognition (GR). Time‐of‐Flight (ToF), Phase shift, FMCW light sources in 3D ranging. They are also used for scanning mode or flash mode LiDARs for automotive, surveillance/night vision ranging, robotics, and drones.
3 Large scale VCSEL arrays in industrial heating etc.
All these items will be discussed in detail in Chapters 4–9 as classified in Table 1.5.