Development of a millimeter wave compact equipment for NDT of materials

Yang Ju; Yo Hirosawa; Masumi Saka; Hiroyuki Abé

doi:10.1023/A:1021843003475

Development of a millimeter wave compact equipment for NDT of materials

Yang Ju, Yo Hirosawa, Masumi Saka, Hiroyuki Abé

ENG - Finemechanics

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We developed a compact equipment working at 94 GHz to replace the commonly used network analyzer for nondestructive testing of materials. The compact equipment was designed to measure the variations in the amplitude and phase of the reflected signal from the material relative to a reference signal. A good accuracy of the amplitude and phase measurement of the equipment was obtained in the confirmative experiments. The distribution of a drop of water in a wood plate is clearly visible in the millimeter wave images obtained by the amplitude and phase measurement.

Original language	English
Pages (from-to)	391-397
Number of pages	7
Journal	International Journal of Infrared and Millimeter Waves
Volume	24
Issue number	3
DOIs	https://doi.org/10.1023/A:1021843003475
Publication status	Published - 2003 Mar 1

Keywords

Compact equipment
Material
Millimeter wave
Nondestructive testing

ASJC Scopus subject areas

Radiation
Atomic and Molecular Physics, and Optics
Instrumentation
Condensed Matter Physics
Physics and Astronomy (miscellaneous)
Electrical and Electronic Engineering

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AU - Saka, Masumi

AU - Abé, Hiroyuki

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AB - We developed a compact equipment working at 94 GHz to replace the commonly used network analyzer for nondestructive testing of materials. The compact equipment was designed to measure the variations in the amplitude and phase of the reflected signal from the material relative to a reference signal. A good accuracy of the amplitude and phase measurement of the equipment was obtained in the confirmative experiments. The distribution of a drop of water in a wood plate is clearly visible in the millimeter wave images obtained by the amplitude and phase measurement.

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KW - Millimeter wave

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