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Updated: May 29, 2026

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

Published on: August 30, 2012

Note: Vector reflectometry in a beam waveguide.

J R Eimer¹, C L Bennett, D T Chuss

¹Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, Maryland 21218, USA. eimer@pha.jhu.edu

The Review of Scientific Instruments

|September 8, 2011

Summary

This summary is machine-generated.

A novel one-port calibration technique accurately characterizes beam waveguide components using a vector network analyzer and known delays. This method effectively isolates instrument and device responses for precise measurements.

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Area of Science:

Electrical Engineering
Microwave Engineering
Electromagnetics

Background:

Accurate characterization of beam waveguide components is crucial for high-frequency systems.
Traditional calibration methods can be complex and time-consuming.
Vector network analyzers (VNAs) are standard tools for microwave measurements.

Purpose of the Study:

To introduce a simplified one-port calibration technique for beam waveguide components.
To enable precise characterization using a standard vector network analyzer.
To demonstrate the technique's effectiveness in a practical application.

Main Methods:

Development of a one-port calibration method utilizing a set of known time delays.
Separation of the vector network analyzer's response from the device under test's response.
Application of the technique to measure the reflected performance of a specific component.

Main Results:

Successful characterization of beam waveguide components was achieved.
The technique effectively distinguished between instrument and device reflections.
Accurate measurement of the reflected performance of a millimeter-wave variable-delay polarization modulator was demonstrated.

Conclusions:

The proposed one-port calibration technique offers a viable and accurate method for characterizing beam waveguide components.
This approach simplifies the measurement process for high-frequency devices.
The technique has practical implications for the development and testing of advanced microwave systems.