Читать книгу VCSEL Industry - Babu Dayal Padullaparthi - Страница 45

As depicted in Figure 1.16, in most of the applications, VCSELs are used either as light transmitters for communication or light sources for sensors. Data transmission in optical communication systems requires a light transmitter and a receiver together with a transmission media such as optical fibers or air. Along with these core components, driver/receiver ICs with connecting optics are incorporated.

Similarly, in an optical sensing system, a VCSEL light source illuminates 2D/3D objects, and a receiver is used to capture the reflected rays from the objects. Figure 1.17 shows the concepts of optical communication and sensing that are required to understand Chapters 4–9.