Speaker
Description
For large particle accelerators, the radio-frequency (RF) power source system constitutes the most significant portion of total energy consumption. A substantial fraction of the RF energy not utilized for charged particle acceleration is directed to an absorption load at the output of the accelerating structure, where it is converted into thermal energy and dissipated. To use this otherwise wasted energy, RF-DC rectification technology presents a viable solution for converting the RF power back into usable DC electricity. Historically, the performance of this technology has been constrained by the limited high-frequency and high-power handling capabilities of transistors. Therefore, although it has an attractive concept, this method has not been implemented in experiments or engineering applications when reaching the GHz level.
However, the recent advent of fourth-generation transistors based on Gallium Nitride (GaN) has significantly advanced these capabilities, renewing the experimental prospects of this energy recovery method. This work is dedicated to investigating the feasibility of this GaN-based RF rectification scheme.
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