A laser frequency comb is a broad spectrum composed of equidistant narrow lines. Initially
invented for frequency metrology, such combs enable new approaches to spectroscopy over …

Dual-comb spectroscopy is an emerging new spectroscopic tool that exploits the frequency
resolution, frequency accuracy, broad bandwidth, and brightness of frequency combs for …

Enabling broad tunability, high peak and average power, ultrashort pulse duration, and all
known modes of laser operation-transition-metal (TM)-doped II-VI chalcogenides are the …

The development of a spectroscopy device on a chip that could realize real-time
fingerprinting with label-free and high-throughput detection of trace molecules represents …

Mid-infrared spectroscopy offers supreme sensitivity for the detection of trace gases, solids
and liquids based on tell-tale vibrational bands specific to this spectral region. Here, we …

Mid-infrared dual-comb spectroscopy has the potential to supplant conventional Fourier-
transform spectroscopy in applications requiring high resolution, accuracy, signal-to-noise …

Ultrafast laser sources operating in the mid-infrared (mid-IR) region, which contains the
characteristic fingerprint spectra of many important molecules and transparent windows of …

Laser frequency combs are coherent light sources that emit a broad spectrum of discrete,
evenly spaced narrow lines whose absolute frequency can be measured to within the …

Optical imaging techniques are ubiquitous for the resolution of non-uniformities in gas flows.
Planar imaging techniques such as laser-induced fluorescence are well established and …

Absorption spectroscopy of fundamental ro-vibrational transitions in the mid-infrared region
provides a powerful tool for studying the structure and dynamics of molecules in the gas …