D-Band Fabry-Perot Open Resonator

Dielectrics

Non-contact FPOR measurements deliver ε and tanδ of bulk dielectrics.

Polymers

The open resonator quantifies ε and tanδ of low-loss polymer sheets without electrodes.

Ultra-Thin FIlms

FPOR resolves dielectric properties of films just a few µm thick by analysing minute Q-factor shifts,

Ω

Higly-Resistive Semiconductors

extracts bulk resistivity of semiconductors like Si or SiC.

Parameters:
  • Frequency range:
110 – 170 GHz
  • Dielectric constant:
Dk = 1 – 15 (achievable accuracy: ±0.5 %)
  • Loss tangent:
Df < 5 × 10-5 (achievable accuracy: 5 %)
  • Sample thickness:
1 µm – 3 mm
  • Sample diameter:
> 50 mm
  • Measurement time:
> 3 minutes
  • Temperature:
room
  • The linear polarization of the electric field in the D-band FPOR allows for the measurement of in-plane anisotropic materials.
  • Fully automated and software-controlled measurement.

See also Broadband FPOR

*On the picture, there is a Rohde & Schwarz Vector Network Analyzer connected to the D-Band Fabry-Perot Open Resonator.

D-Band Fabry-Perot Open Resonator – dielectric constant results D-Band Fabry-Perot Open Resonator – loss tangent results
Measurement results of various dielectric materials obtained with Fabry-Perot Open Resonator fixture

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