173 citations · 686 across the 18 of their papers we have counts for
18 papers
Direct frequency comb cavity ring-down spectroscopy: Enhancing Sensitivity and Precision
Romain Dubroeucq, Dominik Charczun, Piotr Masłowski +1
We present a novel approach to cavity ring-down spectroscopy utilizing an optical frequency comb as the direct probe of the Fabry-Perot cavity, coupled with a time-resolved Fourier…
Measurement and assignment of J = 5 to 9 rotational energy levels in the 9070-9370 cm range of methane using optical frequency comb double-resonance spectroscopy
Adrian Hjältén, Vinicius Silva de Oliveira, Isak Silander +6
We use optical-optical double-resonance (OODR) spectroscopy with a continuous wave (CW) pump and a cavity-enhanced frequency comb probe to measure high rotational energy levels of…
Sub-Doppler optical-optical double-resonance spectroscopy using a cavity-enhanced frequency comb probe
Vinicius Silva de Oliveira, Isak Silander, Lucile Rutkowski +4
Accurate parameters of molecular hot-band transitions, i.e., those starting from vibrationally excited levels, are needed to accurately model high-temperature spectra in astrophysi…
A Stimulated Raman Loss spectrometer for metrological studies of quadrupole lines of hydrogen isotopologues
M. Lamperti, L. Rutkowski, D. Gatti +5
We discuss layout and performance of a high-resolution Stimulated Raman Loss spectrometer that has been newly developed for accurate studies of spectral lineshapes and line center…
Stimulated-Raman-Scattering Metrology
M. Lamperti, L. Rutkowski, D. Ronchetti +10
Frequency combs have revolutionized optical frequency metrology, allowing one to determine highly accurate transition frequencies of a wealth of molecular species. Despite a recogn…
Optical frequency comb Fourier transform cavity ring-down spectroscopy
Romain Dubreoucq, Lucile Rutkowski
We demonstrate broadband and sensitive cavity ring-down spectroscopy using a near infrared frequency comb and a time-resolved Fourier transform spectrometer. The cavity decays are…
A new instrument for kinetics and branching ratio studies of gas phase collisional processes at very low temperatures
Olivier Durif, Michael Capron, Joey P. Messinger +13
A new instrument dedicated to the kinetic study of low-temperature gas phase neutral-neutral reactions, including clustering processes, is presented. It combines a supersonic flow…
Sub-Doppler Double-Resonance Spectroscopy of Methane Using a Frequency Comb Probe
Aleksandra Foltynowicz, Lucile Rutkowski, Isak Silander +7
We report the measurement of sub-Doppler double-resonance transitions in methane using a 3.3 m continuous wave optical parametric oscillator to pump transitions in the fundament…
Broadband calibration-free cavity-enhanced complex refractive index spectroscopy using a frequency comb
Alexandra C. Johansson, Lucile Rutkowski, Anna Filipsson +4
We present broadband cavity-enhanced complex refractive index spectroscopy (CE-CRIS), a technique for calibration-free determination of the complex refractive index of entire molec…
An experimental water line list at 1950 K in the 6250 -- 6670 \cm\ region
Lucile Rutkowski, Aleksandra Foltynowicz, Florian M. Schmidt +7
An absorption spectrum of HO at 1950 K is recorded in a premixed methane/air flat flame using a cavity-enhanced optical frequency comb-based Fourier transform spectromet…
Sensitive and broadband measurement of dispersion in a cavity using a Fourier transform spectrometer with kHz resolution
Lucile Rutkowski, Alexandra C. Johansson, Gang Zhao +4
Optical cavities provide high sensitivity to dispersion since their resonance frequencies depend on the index of refraction. We present a direct, broadband, and accurate measuremen…
High-power frequency comb source tunable from 2.7 to 4.2 μm based on difference frequency generation pumped by an Yb-doped fiber laser
Grzegorz Sobon, Tadeusz Martynkien, Pawel Mergo +2
We demonstrate a broadband mid-infrared (MIR) frequency comb source based on difference frequency generation (DFG) in periodically poled lithium niobate (PPLN) crystal. Mid-infrare…
Mid-infrared continuous-filtering Vernier spectroscopy using a doubly resonant optical parametric oscillator
Amir Khodabakhsh, Lucile Rutkowski, Jérôme Morville +1
We present a continuous-filtering Vernier spectrometer operating in the 3.15-3.4 m range, based on a femtosecond doubly resonant optical parametric oscillator, a cavity with a f…
Optical Frequency Comb Fourier Transform Spectroscopy with Sub-Nominal Resolution - Principles and Implementation
Lucile Rutkowski, Piotr Maslowski, Alexandra C. Johansson +2
Broadband precision spectroscopy is indispensable for providing high fidelity molecular parameters for spectroscopic databases. We have recently shown that mechanical Fourier trans…
Signal line shapes of Fourier transform cavity-enhanced frequency modulation spectroscopy with optical frequency combs
Alexandra C. Johansson, Lucile Rutkowski, Amir Khodabakhsh +1
We present a thorough analysis of the signal line shapes of Fourier transform-based noise-immune cavity-enhanced optical frequency comb spectroscopy (NICE-OFCS). We discuss the sig…
Optical frequency comb spectroscopy at 3-5.4 μm with a doubly resonant optical parametric oscillator
Amir Khodabakhsh, Venkata Ramaiah-Badarla, Lucile Rutkowski +6
We present a versatile mid-infrared frequency comb spectroscopy system based on a doubly resonant optical parametric oscillator tunable in the 3-5.4 μm range and two detection meth…
Continuous Vernier filtering of an optical frequency comb for broadband cavity-enhanced molecular spectroscopy
Lucile Rutkowski, Jérôme Morville
We have recently introduced the Vernier-based Direct Frequency Comb Cavity-Enhanced Spectroscopy technique and we present the corresponding formalism for quantitative broadband spe…
Surpassing the Path-Limited Resolution of a Fourier Transform Spectrometer with Frequency Combs
Piotr Maslowski, Kevin F. Lee, Alexandra C. Johansson +8
Fourier transform spectroscopy based on incoherent light sources is a well-established tool in research fields from molecular spectroscopy and atmospheric monitoring to material sc…