Optical fiber is a versatile medium that can transmit data using light and function as a sensing device. These sensors can measure temperature, pressure, vibrations, and more. Optical sensors are one of the most popular sensor types in industrial automation. See Our Previous Article on Industrial Sensors: Knowledge of the true nature of light. The optical module serves as a crucial component in optical fiber communication systems, operating at the physical layer, which is the lowest layer in the OSI model. Its primary function is to achieve optoelectronic conversion by converting electrical signals into optical signals and vice versa. Operating at the physical layer of the OSI model, optical modules are core devices in optical. And as transmission data rates in optical modules approach 100 and 400 Gbps, designers must consider the need to monitor and control the components within these modules – such as the photodiodes that receive and transmit optical information. In this post, I'll discuss various current-sensing. In September 2022, Teledyne e2v released Optimom 2M, the first in a range of MIPI CSI-2 modules, to address this very challenge.