High-speed measurement confronts the extreme speed limit when the signal becomes
comparable to the noise level. In the context of broadband mid-infrared spectroscopy, state …

Frequency combs have revolutionized the field of optical spectroscopy, enabling
researchers to probe molecular systems with a multitude of accurate and precise optical …

Mid-infrared (MIR) spectrometers are invaluable tools for molecular fingerprinting and hyper-
spectral imaging. Among the available spectroscopic approaches, GHz MIR dual-comb …

Since its invention in 1994, the quantum cascade laser (QCL) has emerged as a versatile
light source of wavelength 4–12 µm, covering most of the mid-and long-wavelength infrared …

Single-cycle pulses with a deterministic carrier-envelope phase enable the study and control
of light–matter interactions at the sub-cycle timescale, as well as the efficient generation of …

Systematic errors are observed in dual comb spectroscopy when pulses from the two
sources travel in a common fiber before interrogating the sample of interest. When sounding …

Dual-comb spectroscopy (DCS) enables high-resolution measurements at high speeds
without the trade-off between resolution and update rate inherent to mechanical delay …

This manuscript presents an ultrafast-laser-absorption-spectroscopy (ULAS) diagnostic
capable of providing calibration-free, single-shot measurements of temperature and CO at 5 …

Meeting the demands of sustainable energy economy requires diagnostics of the chemical
processes surrounding future fuels and contemporary combustion applications. Pioneered …

Providing an accurate, representative sample of mass flux across large open areas for
atmospheric studies or the extreme conditions of a hypersonic engine is challenging for …