Dual-comb spectroscopy

I Coddington, N Newbury, W Swann - Optica, 2016‏ - opg.optica.org
Dual-comb spectroscopy is an emerging new spectroscopic tool that exploits the frequency
resolution, frequency accuracy, broad bandwidth, and brightness of frequency combs for …

Infrared laser-absorption sensing for combustion gases

CS Goldenstein, RM Spearrin, JB Jeffries… - Progress in Energy and …, 2017‏ - Elsevier
Infrared laser-absorption spectroscopy (IR-LAS) sensors play an important role in
diagnosing and characterizing a wide range of combustion systems. Of all the laser …

Quartz-enhanced multiheterodyne resonant photoacoustic spectroscopy

J Wang, H Wu, A Sampaolo, P Patimisco… - Light: Science & …, 2024‏ - nature.com
The extension of dual-comb spectroscopy (DCS) to all wavelengths of light along with its
ability to provide ultra-large dynamic range and ultra-high spectral resolution, renders it …

The time-programmable frequency comb and its use in quantum-limited ranging

ED Caldwell, LC Sinclair, NR Newbury, JD Deschenes - Nature, 2022‏ - nature.com
Two decades after its invention, the classic self-referenced frequency comb laser is an
unrivalled ruler for frequency, time and distance metrology owing to the rigid spacing of its …

Cavity-enhanced photoacoustic dual-comb spectroscopy

Z Wang, Q Nie, H Sun, Q Wang, S Borri… - Light: Science & …, 2024‏ - nature.com
Photoacoustic dual-comb spectroscopy (DCS), converting spectral information in the optical
frequency domain to the audio frequency domain via multi-heterodyne beating, enables …

Interpreting contemporary trends in atmospheric methane

AJ Turner, C Frankenberg, EA Kort - … of the National Academy of Sciences, 2019‏ - pnas.org
Atmospheric methane plays a major role in controlling climate, yet contemporary methane
trends (1982–2017) have defied explanation with numerous, often conflicting, hypotheses …

Molecular fingerprinting with bright, broadband infrared frequency combs

H Timmers, A Kowligy, A Lind, FC Cruz, N Nader… - Optica, 2018‏ - opg.optica.org
Spectroscopy in the molecular fingerprint spectral region (6.7–20 µm) yields critical
information on material structure for physical, chemical, and biological sciences. Despite …

Sub-milliwatt-level microresonator solitons with extended access range using an auxiliary laser

S Zhang, JM Silver, L Del Bino, F Copie, MTM Woodley… - Optica, 2019‏ - opg.optica.org
The recent demonstration of dissipative Kerr solitons in microresonators has opened a new
pathway for the generation of ultrashort pulses and low-noise frequency combs with …

[HTML][HTML] Doubly resonant sub-ppt photoacoustic gas detection with eight decades dynamic range

Z Wang, Q Wang, H Zhang, S Borri, I Galli, A Sampaolo… - Photoacoustics, 2022‏ - Elsevier
Photoacoustic spectroscopy (PAS) based gas sensors with high sensitivity, wide dynamic
range, low cost, and small footprint are desirable in energy, environment, safety, and public …

A six-octave optical frequency comb from a scalable few-cycle erbium fibre laser

DMB Lesko, H Timmers, S **ng, A Kowligy, AJ Lind… - Nature …, 2021‏ - nature.com
A coherent, compact and robust light source with coverage from the ultraviolet to the infrared
is desirable for heterodyne super-resolution imaging, broadband infrared microscopy …