Björn Globisch

Head, Terahertz Sensor Systems Group at the Fraunhofer Institute for Telecommunications

[email protected]https://www.hhi.fraunhofer.de

Björn Globisch is Professor for Physics at the Technical University Berlin and head of the Terahertz Sensors and Systems research group at the Fraunhofer Institute for Telecommunications (Fraunhofer HHI; Berlin, Germany).

A multisensor head uses terahertz radiation for layer thickness measurement.

Test & Measurement

Frequency-domain terahertz systems poised for miniaturization

Andreas Thoss

Feb. 24, 2021

A new fiber-based system enables fast measurements with sub-micron precision; the next step will be integration of all components towards chip-size.

FIGURE 1. An optical time-domain spectroscopy unit (a) generates the ultrafast pump/probe signals while the near-field scanner unit (b) includes the terahertz emitter and near-field detector components, as well as translation stages for high-resolution field mapping; a sample or device under test is loaded to the near-field scanner unit.

Detectors & Imaging

Photonics Applied: Terahertz Imaging: Terahertz imaging tackles solar cell and semiconductor process inspection

Michael Nagel

Oct. 12, 2017

Replacing free-space optics with fiber-coupled, integrated components allows modular terahertz time-domain imaging systems to excel in solar and semiconductor wafer analysis.