Output optical power refers to the output optical power of the light source at the transmit end of the optical module. Among them, W or mW is a linear unit, and dBm is a logarithmic unit. If the optical power is excessively high, the optical component may be burnt. The transmitted optical power is related to the proportion of "1"s in the transmitted data signal; the more "1"s, the. This document focuses on projection optical modules that incorporate Texas Instruments' DLP Display chips and are designed to project an image onto a surface for a variety of applications, including smartphones, tablets, display projectors, smart home displays, digital signage, AR glasses, and. 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. Transmitter power characterizes the average optical power output from the laser under rated conditions, while receiver sensitivity indicates the minimum. SFP (Small Form-factor Pluggable) optical modules are compact, hot-pluggable transceivers that enable network equipment to connect seamlessly to fiber and copper links. These modules, including SFP, SFP+, and SFP28, are widely used in enterprise networks, data centers, and carrier-grade deployments.