Many exciting terahertz imaging applications, such as non-destructive evaluation,
biomedical diagnosis, and security screening, have been historically limited in practical …

The terahertz (THz) frequency quantum cascade laser (QCL) is a compact source of THz
radiation offering high power, high spectral purity and moderate tunability. As such, these …

The fabrication and investigation of single and multilayered structures have become an
essential issue in the past decades since these structures directly define valuable properties …

We demonstrate terahertz (THz) frequency imaging using a single quantum cascade laser
(QCL) device for both generation and sensing of THz radiation. Detection is achieved by …

Hyperspectral imaging is a spectroscopic imaging technique that allows for the creation of
images with pixels containing information from multiple spectral bands. At terahertz …

Terahertz (THz) quantum cascade lasers (QCLs) are semiconductor-based electrically
pumped laser sources that are based on electron transitions between the subbands in the …

The terahertz (THz) frequency quantum cascade laser (QCL) is a compact source of high-
power radiation with a narrow intrinsic linewidth. As such, THz QCLs are extremely …

This chapter gives a concise overview of potential industrial applications for terahertz
imaging that have been reported over the past decade with a discussion of the major …

We demonstrate coherent terahertz (THz) frequency imaging using the self-mixing effect in a
quantum cascade laser (QCL). Self-mixing voltage waveforms are acquired at each pixel of …

Terahertz frequency quantum cascade lasers (THz QCLs) are compact sources of coherent
THz radiation with potential applications that include astronomy, trace-gas sensing, and …