High-throughput terahertz imaging: progress and challenges
Many exciting terahertz imaging applications, such as non-destructive evaluation,
biomedical diagnosis, and security screening, have been historically limited in practical …
biomedical diagnosis, and security screening, have been historically limited in practical …
A review of the concept, applications and implementation issues of terahertz spectral imaging technique
A Bandyopadhyay, A Sengupta - IETE Technical Review, 2022 - Taylor & Francis
Simultaneous spectral and spatial information of any object investigated through
electromagnetic radiation leads to the concept of spectral imaging technique (SIT): in …
electromagnetic radiation leads to the concept of spectral imaging technique (SIT): in …
Optoelectronic frequency-modulated continuous-wave terahertz spectroscopy with 4 THz bandwidth
L Liebermeister, S Nellen, RB Kohlhaas… - Nature …, 2021 - nature.com
Broadband terahertz spectroscopy enables many promising applications in science and
industry alike. However, the complexity of existing terahertz systems has as yet prevented …
industry alike. However, the complexity of existing terahertz systems has as yet prevented …
637 μW emitted terahertz power from photoconductive antennas based on rhodium doped InGaAs
RB Kohlhaas, S Breuer, L Liebermeister… - Applied Physics …, 2020 - pubs.aip.org
We investigate photoconductive terahertz (THz) emitters compatible with 1550 nm excitation
for THz time-domain spectroscopy (TDS). The emitters are based on rhodium (Rh) doped …
for THz time-domain spectroscopy (TDS). The emitters are based on rhodium (Rh) doped …
THz systems exploiting photonics and communications technologies
Terahertz (THz) systems open up the possibility of new applications of electromagnetic
waves. Enormous bandwidths up to several terahertz enable the development of powerful …
waves. Enormous bandwidths up to several terahertz enable the development of powerful …
Milliwatt-class broadband THz source driven by a 112 W, sub-100 fs thin-disk laser
We demonstrate a high repetition-rate, single-cycle THz source with a maximum average
power of 1.35 mW, operating at a center frequency of 2 THz. This result was obtained by …
power of 1.35 mW, operating at a center frequency of 2 THz. This result was obtained by …
Continuous wave terahertz receivers with 4.5 THz bandwidth and 112 dB dynamic range
We present photomixers made of iron doped indium gallium arsenide (InGaAs: Fe) as
broadband receivers in optoelectronic continuous wave (cw) terahertz (THz) systems …
broadband receivers in optoelectronic continuous wave (cw) terahertz (THz) systems …
Highly sensitive multi-stage terahertz parametric detector
In this Letter, we developed a high-sensitivity multi-stage terahertz (THz)-wave parametric
detection system that operates at room temperature. This detection system has high …
detection system that operates at room temperature. This detection system has high …
Ultrabroadband terahertz time-domain spectroscopy using III-V photoconductive membranes on silicon
Electromagnetic waves in the terahertz (THz) frequency range are widely used in
spectroscopy, imaging and sensing. However, commercial, table-top systems covering the …
spectroscopy, imaging and sensing. However, commercial, table-top systems covering the …
ErAs: In (Al) GaAs photoconductor-based time domain system with 4.5 THz single shot bandwidth and emitted terahertz power of 164 µW
Superlattice structures of In (Al) GaAs with localized ErAs trap centers feature excellent
material properties for terahertz (THz) generation and detection. The carrier lifetime of these …
material properties for terahertz (THz) generation and detection. The carrier lifetime of these …