The terahertz (THz) regime of the electromagnetic spectrum is rich with the emerging
possibilities in imaging applications with unique characteristics to screening for weapons …

Terahertz time-domain spectroscopy (THz-TDS) is a unique technique for characterizing the
response of materials and devices in the far-infrared region of the electromagnetic spectrum …

The two main modalities for making broadband phase-sensitive measurements at terahertz
(THz) frequencies are vector network analyzers (VNA) and time-domain spectrometers …

We present a terahertz (THz) frequency-domain spectroscopic ellipsometer design that
suppresses formation of standing waves by use of stealth technology approaches. The …

We report a self-triggered asynchronous optical sampling terahertz spectroscopy system
based on a single bidirectional mode-locked fiber laser and plasmonics-enhanced …

Terahertz time-domain spectroscopy systems driven by monolithic mode-locked laser
diodes (MLLDs) exhibit bandwidths exceeding 1 THz and a peak dynamic range that can …

We present a maximum-likelihood method for parameter estimation in terahertz time-domain
spectroscopy. We derive the likelihood function for a parameterized frequency response …

Terahertz time-domain spectroscopy as well as all optical pump-probe techniques with
ultrashort pulses relies on the exact knowledge of an optical delay between related laser …

An extensive investigation of the origin and the impact of periodic sampling errors of
terahertz time-domain spectroscopy systems is given. We present experimental findings and …

Precise delay control is of paramount importance in optical pump-probe measurements.
Here, we report on a high-precision delay tracking technique for mechanical scanning …