Terahertz Sensors and Systems

TeraWave Time Domain Spectrometer

Mobile terahertz spectroscopy system for field operation

The Terawave Time Domain Spectrometer offers turnkey operation and enables accurate measurements in the terahertz range, making it ideal for applications in research as well as industry. With high measurement resolution and fast data acquisition, it provides a reliable solution for industrial process control, non-contact coating film measurement and more.

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Pulsed Terahertz Transmitter and Receiver Modules

Compact and high-performance modules for precise terahertz measurements

The pulsed photoconductive antennas for 1.5 µm optical wavelength enable short THz pulses with high output power. They enable precise measurements with high resolution and are ideal for applications like quality inspection and spectroscopic measurements up to 6.5 THz.

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T-Sweeper Realtime Continuous Wave Terahertz Systems

High-precision real-time terahertz measurements for sensing applications

The T-Sweeper realtime continuous wave THz system is based on mature telecom components, operating at an optical wavelength of 1.5 µm. With high precision and fast measurement speeds, this system is ideal for a wide range of applications, from material analysis to quality assurance in industrial settings.

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Continuous Wave Terahertz Emitter Modules

High-performance emitters for THz sensing and communication

The terahertz emitter modules utilize photoconductive generation of continuous-wave terahertz signals. With a bandwidth of up to 5.5 THz and output power of up to 800 μW, these modules provide high resolution for spectroscopic measurements and industrial process control.

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Continuous Wave Terahertz Detector Modules

Compact terahertz detection modules for research and industry applications

Fraunhofer HHI’s continuous-wave terahertz detector modules enable high-resolution signal acquisition in the terahertz range. The implementable frequency-domain THz systems are particularly suited for applications in high-resolution spectroscopy, such as non-destructive testing.

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Photonic Heterodyne Receivers For Continuous Wave Terahertz Applications

High-Precision Terahertz Measurements Across Multi-THz Bandwidths

These novel photonic heterodyne THz receivers utilize an optical beat signal as local oscillator to down-convert continuous-wave terahertz signals across a wide 0.1 THz to 5 THz range to an intermediate frequency with 40 GHz 6 dB-bandwidth. With a robust housing, these receivers are ideally suited for mmWave/THz wireless links, agile channel sounding and ranging, as well as ultra-wideband spectroscopy and material characterization.

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Custom InP-Based Semiconductor Saturable Absorber Mirrors (SESAMs) For 1.56 μm

Reliable Pulse Generation for High-Performance Lasers

Highly customizable, strain-free semiconductor saturable absorber mirrors (SESAMs) based on InP technology tailored for pulsed solid-state, fiber, and semiconductor lasers. They deliver robust performance, excellent wafer-to-wafer reproducibility, and tunable nonlinear response across the C-band (1500–1600 nm).

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