Stokes, D; Liu, Y; Shang, X; Ridler, N M (2023) Millimeter-wave and terahertz power meter characterisation at W-band frequencies. Journal of Infrared, Millimeter and Terahertz Waves, 44. pp. 134-150.

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Abstract

Traceability for power measurements at high millimeter- and submillimeter-wave frequencies, poses significant challenges with traditional waveguide micro-calorimetry systems only being readily available up to 110 GHz. There are, however, several different types of commercially available power sensor which operate at these high millimeter-wave frequencies, and above, where the lack of traceability means that the accuracy and associated uncertainty of measurements made using these types of sensors are not fully understood. This work focuses on the characterization and traceable calibration of a commercially available waveguide power meter (the VDI Erickson PM5) which is designed to operate from 75 GHz to 3 THz using appropriate waveguide tapers. This includes an assessment of the sources of uncertainty, which are dependent on frequency, power and system properties. The performance of the power meter is evaluated in W-band (75 GHz to 110 GHz), with respect to NPL’s micro-calorimeter systems, which form part of the UK’s national standard capabilities for power measurements.

Item Type:	Article
Subjects:	Electromagnetics > Electrical Measurement
Divisions:	Electromagnetic & Electrochemical Technologies
Identification number/DOI:	10.1007/s10762-022-00898-8
Last Modified:	16 Feb 2024 11:20
URI:	http://eprintspublications.npl.co.uk/id/eprint/9929

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