High power 9xx nm diode lasers along with MH GoPower’s (MHGP’s) flexible line of Photovoltaic Power Converters (PPCs) are spurring high power applications for power over fiber (PoF), including applications for powering remote sensors and sensors monitoring high voltage equipment, powering high voltage IGBT gate drivers, converters used in RF over Fiber (RFoF) systems, and system power applications, including powering UAVs. In PoF, laser power is transmitted over fiber, and is converted to electricity by photovoltaic cells (packaged into Photovoltaic Power Converters, or PPCs) which efficiently convert the laser light. In this research, we design a high power multi-channel PoF system, incorporating a high power 976 nm diode laser, a cabling system with fiber break detection, and a multichannel PPC-module. We then characterizes system features such as its response time to system commands, the PPC module’s electrical output stability, the PPC-module’s thermal response, the fiber break detection system response, and the diode laser optical output stability. The high power PoF system and this research will serve as a scalable model for those interested in researching, developing, or deploying a high power, voltage isolated, and optically driven power source for high reliability utility, communications, defense, and scientific applications.
Mico Perales, Mei-huan Yang, Cheng-liang Wu, Chin-wei Hsu, Wei-sheng Chao, Kun-hsein Chen, and Terry Zahuranec, "Design and characterization of a novel power over fiber system integrating a high power diode laser," Proc. SPIE 10086, High-Power Diode Laser Technology XV, 100860G (Presented at SPIE LASE: January 30, 2017; Published: 22 February 2017); https://doi.org/10.1117/12.2252878.
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