Measurement Results
Key Point!
- Ideal for evaluating high-loss materials with dielectric loss tangent of about 0.01 or higher.
- Even when switching instruments, the measured values show no step discontinuity, enabling continuous data acquisition up to 330 GHz.
- Not suitable for low-loss materials unless the sample can be made thicker.
The free-space method can evaluate the frequency characteristics of various materials over a wide frequency range. Resins with different property values were evaluated from 60 to 330 GHz. Although this method is not suitable for accurately evaluating low-loss materials such as PTFE, it is effective for materials with larger loss and for materials that are difficult to process into thin samples.
FEATURED PRODUCTS
CONTACT
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System Configuration
- Free-space system 18-330 GHz: FS-330 (EM labs)
- Measurement Software for Free-space: FS-MA (EM labs)
- Network analyzer: N5290A (Keysight Technologies)
- Mini VNAX frequency extender module: N5262BW03 (Keysight Technologies)
- Mini VNAX frequency extender module: N5262BW05 (Keysight Technologies)
- Mini VNAX frequency extender module: N5262BW06 (Keysight Technologies)
Measured Samples
- PTFE, polycarbonate, and PVC, all 2 mm thick