Fujitsu General EMC Laboratory Ltd.

Microwave Absorber Evaluation

PDF Microwave absorber evaluation (PDF: 346KB)

Reflection amount measurement of absorber

Arch type absorber reflection amount measurement system

Absorber and Horn antenna/ network analyzer for the antenna installation arch frame, the absorber installed table, and the unnecessary reflection defense: The amount of the reflection attenuation is measured by the sweep method.

Specification 1G-40GHz the reflection attenuation amount measurement, the angle setting: 0-90°


1800 caliber corner type waveguide measurement system

Large-scale: S parameter is measured by the sweep method that sets up the microwave absorber of 600 caliber items in a rectangular waveguide of L=11m×1.8m×1.8m (combination/ conditions of performance with absorber unit/ ferrite).

   


300 caliber corner rectangular waveguide measurement system

The material that clears corner holes of the base 10×10cm eight samples or 10×10cm is inserted in a rectangular waveguide of L=4m×0.3m×0.3m and the amount of the reflection attenuation is measured.


39mmφ/7mmφ coaxial tubing evaluation system

It reflects by the sweep method by using a cylinder coaxial tube of 39mmφ or 7mmφ: S11/ S22 and penetration: The measurement and ε'/ε" of S21 and μ'/μ" are requested by the calculation.

39mmφ

   

7mmφ

   

Waveguide Sample shape Sample caliber
39mm 38.8+0.0/-0.1 16.9+0.1/-0.0
7mm 6.9+0.0/-0.1 3.0+0.1/-0.0

Specifications 39mm: 1MHz - 1GHz, 7mm: 1MHz - 10GHz
S11/ S22 and penetration: The measurement and ε'/ε" of S21 and μ'/μ" are requested by the calculation.

Dielectric substance lens absorbent reflection amount measurement system

The amount of the reflection attenuation is measured by using the horn antenna and 40GHz NA according to the band with a good large-scale dielectric substance lens and directivity

Specifications Specification 2.6G-40GHz and the size of the reflection attenuation amount measurement
Sample size 60×60cm and the H: 60cm

 

Measurement site :
Riken Corporation Kumagaya technical center
4-14-1, Kumagaya-city, Saitama-pref., 306-8522 JAPAN

 

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