Near-Field EM Measurement – Optical Time-Domain Probes: TDS | SPEAG

The TDS (Time Domain Sensor) system from SPEAG is a cutting-edge solution for high-resolution, non-intrusive near-field electromagnetic measurements. Designed for use in both frequency and time domains, TDS probes are miniaturized, fully isolated, and optimized for applications requiring high sensitivity, spatial resolution, and immunity to electromagnetic interference.

Benefits

• Enables precise amplitude and phase measurements in real time
• Electrically isolated design ensures minimal interference and high accuracy
• Operates over a broad frequency range from 10 MHz to 6 GHz
• Ideal for use in EM-hostile environments such as MRI or EMP testing
• Fully calibrated in SPEAG’s ISO17025-certified laboratory

Key Features

• Active optical electric and magnetic field probes
• Frequency and time-domain operation
• Dynamic range exceeding 80 dB
• Fiber-optic link for full electrical isolation
• Compatible with all SPEAG TDS and OH4VNA remote units
• Available in standalone and integrated configurations
• Suitable for integration with DASY platforms and Sim4Life

Typical Applications

• EMC near-field scanning and sniffing
• EMI diagnostics in complex electronic systems
• MRI and medical device testing
• High-resolution field mapping in research and development
• Evaluation of shielding effectiveness and coupling paths