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.

  • Frequency range:
10 – 130 GHz*
  • Dielectric constant:
Dk = 1 – 15 (achievable accuracy ± 0.2 %)
  • Loss tangent:
Df > 5 × 10–6 (achievable accuracy ± 2 %)
  • Sample thickness:
1 µm – 3 mm
  • Sample diameter:
105 – 145 mm **
  • Measurement time:
> 1 minute
  • Temperature:
room, 0 – 80 °C (on request)
  • In-plane anisotropic materials can be measured
  • Fully automated and software-controlled measurement

*Available also in various frequency-range configurations (e.g. 10 – 26.5 GHz, 10 – 43 GHz, 10 – 50 GHz, 10 – 67 GHz, 10 – 110 GHz, etc.)
** minimum required sample size may differ depending on chosen measurement frequency range

Overview

FPOR measurement capabilities FPOR measurement capabilities
Fig. 1 Overview of FPOR measurement capabilities (10–170 GHz).

Repeatability

Fused silica measurement repeatability Fused silica measurement repeatability
Fig. 2 Repeatability of fused silica measurements.

Polymers

Polymer material measurements Polymer material measurements
Fig. 4 Polymer materials example.

In-plane anisotropy

Quartz in-plane anisotropy Quartz in-plane anisotropy
Fig. 9 Quartz anisotropy.

Highly-resistive semiconductors

High-resistivity silicon measurements High-resistivity silicon measurements
Fig. 12 Silicon measurements.

Thin films on substrates

COP substrate with thin film Dk COP substrate with thin film Df
Fig. 16 COP substrate with thin film – Dk and Df.
Loss tangent extraction Loss tangent extraction
Fig. 17 Loss tangent extraction.
FEP substrate with thin film Dk FEP substrate with thin film Df
Fig. 18 FEP substrate with thin film.

Link to contact us via form:

Dielectric measurements with a Fabry-Perot open resonator (up to 130 GHz)

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