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Advanced Thermal Sensors for Broadband AC Voltage Metrology

Abstract: We report on the development and application of a new generation of multijunction thermal converters (MJTCs). These devices, fabricated on fused silica substrates, show exceptional performance over the frequency range from 10 Hz to 100 MHz over input voltages ranging from 1 V to 30 V, depending on design. We anticipate that these devices will form the future basis for ac voltage metrology at the National Institute of Standards and Technology (NIST).