TeraScan

• Frequency tuning range up to 3 THz
• Frequency steps down to 1 MHz.
• Frequency accuracy < 2 GHz
• Dynamic range >100 dB
• High-precision continuous-wave THz generation
• Available in 780 nm and 1550 nm versions
• Optional tuning-range extension and phase modulation

The TeraScan is TOPTICA’s high-precision frequency-domain terahertz spectroscopy platform, designed for applications that require spectral accuracy and tunability down to the single-MHz level. The systems combine mature distributed feedback (DFB) diode lasers with state-of-the-art GaAs or InGaAs photomixers, and are powered by TOPTICA’s proprietary DLC smart control electronics. This architecture ensures stability, reliability, and ease of use, offering a performance unmatched in continuous-wave terahertz spectroscopy.

Two system versions address different application needs: the TeraScan 780 achieves an outstanding bandwidth, ideal for broad spectral studies, while the TeraScan 1550 sets new benchmarks in terahertz power and dynamic range. With a frequency step size down to 1 MHz and an absolute accuracy better than 2 GHz, the TeraScan enables the resolution of very narrow spectral features.

The TeraScan is thus the system of choice for applications such as low-pressure gas spectroscopy, high-Q resonator analysis, and metamaterial research. Users may also choose to operate the system at an arbitrary fixed frequency, a mode that has proven invaluable in terahertz communication studies. In short, the TeraScan combines bandwidth, power, and precision in cw-THz applications.

System Type: Frequency-Domain THz Spectrometer
THz Frequency Range: Up to 3 THz*
Frequency Step: <1 MHz
Frequency Accuracy: <2 GHz
Dynamic Range: >100 dB
Tuning Speed: Up to 0.1 THz/s
Laser Sources: DFB Diode Lasers
Photomixers: GaAs / InGaAs
Control: DLC smart
Interface: Ethernet

*Depending on configuration; TeraScan 780 provides up to ~1.8 THz, while TeraScan 1550 can reach up to 2.7 THz with the Tuning Range Extension.

• THz Gas Analysis
• High-Resolution Spectroscopy
• 6G & THz Communication Research
• High-Q Resonator Characterization
• Metamaterial Research
• Detector Characterization
• THz Imaging