Efficiency Evaluation of Laser Diode in Different Driving Modes for Wireless Power Transmission

The high-intensity laser power beaming (HILPB) system is one of the most promising system in the field of long-range wireless power transfer. In HILPB system, the high-power laser diode (LD) is employed for its excellent character of high efficiency, high reliability, and small size. Normally, LD can operate in two different driving modes: the continuous mode and the pulse mode. The injected current has a direct effect on the electro-optical...