# Browse Abstracts & Presentations - 2021 International Symposium on Molecular Spectroscopy by Subject "Instrument/Technique Demonstration"

• (International Symposium on Molecular Spectroscopy, 2021-06-22)
At the 74th ISMS, our group showed that it is possible to detect microwave radiation in a CP-FTMW experiment that did not copropagate in the direction of incident radiation. In that talk, it was shown that this could be ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
While previous iterations of laser ablation designs have been attempted at Missouri S\&T, none had the capability to adjust the location of the nozzle in relation to the horn antenna \textit{in situ} without breaking vacuum. ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Innovations in cryogenic ion traps greatly enhance our ability to control ion-neutral chemistry and spectroscopically probe ionic species in real time. Currently, our lab studies microsolvated species and reaction ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
We introduce a novel and sensitive ns-resolved atomic magnetometer, which is at least three orders of magnitude faster than conventional magnetometers. The magnetic field dependence of hyperfine beating of high-density ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
The Terahertz (THz) region of the electromagnetic spectrum between the infrared to the microwave domains (0.1 – 10 THz) is often referred to as the “THz gap”. Nevertheless, it has become widely accessible over the last ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
Owing to their narrow linewidth and broad tunability, continuous wave (CW) quantum cascade lasers (QCLs) have become ubiquitous for mid-infrared rovibrational molecular spectroscopy. However, while the 4-11 $\mu$m region ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
The Rydberg atom spectroscopy, exploited for SI-traceable electrometry, allowed to measure weak microwave electric fields at the $\mu$V/cm level. The Doppler-free spectroscopy methods allowed recently significant improvements ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
Building off the previous works of Schnell, Patterson, and Pate, a new microwave three-wave mixing (M3WM) spectrometer was constructed and tested at the Missouri University of Science and Technology. This new instrument ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Since their inception, charged-particle imaging techniques have transformed how chemical reactions and dynamics are studied. Ion imaging is a powerful detection method for many as it allows for higher resolution measurements ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
We report progress on the construction and development of a cryogenic buffer gas beam (CBGB) instrument for studying the IR spectroscopy of atomic and molecular clusters. Clusters are produced via laser ablation of a solid ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
Optical frequency combs provide broadband coverage while still being able to take full advantage of cavity-enhanced methods. The mid-infrared is highly desirable for molecular spectroscopy, where many strong fundamental ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
In this talk, I will discuss the growing field of entangled-photon spectroscopy as related to molecular systems. An entangled state is represented by a wavefunction, describing a group of particles, which cannot be factored ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
High resolution coherent 2D and 3D spectroscopies are unusually powerful tools for overcoming problems of spectral congestion because they can 1) automatically sort peaks by rotational and vibrational quantum number, 2) ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
There is an increasing demand for precise molecular spectroscopy, in particular in the mid-IR fingerprint window, whether it be for modelling our atmosphere, interpreting astrophysical spectra or testing fundamental ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
We use Fourier transform spectrometers based on mid-infrared frequency combs to measure and analyze broadband spectra of molecules of environmental importance in the two water windows around 3.3 $\mu$m and 7.8 $\mu$m. Both ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
We demonstrated high-resolution microsecond-time-resolved dual-comb spectroscopy of an important short-lived molecule, the simplest Criegee intermediate (\chem{CH_2OO}). A dual-comb spectrometer with central wavelength ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
Optical frequency comb spectroscopy has proven a very useful tool for high resolution molecular spectroscopy. Frequency combs based on quantum cascade lasers (QCL) offer the possibility to easily explore the mid-infrared ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
The SMAUG apparatus (Spectroscopy of Molecules Accelerated in Uniform Gas flows) was developed to produce hot spectra of various molecules of interest for hot astrophysical atmospheres, like the one surrounding hot Jupiters, ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
The CPUF (Chirped Pulse in Uniform supersonic Flow) technique is a combination of the CRESU (Cinétique de Réaction en Ecoulement Supersonique Uniforme, or Reaction Kinetics in Uniform Supersonic Flow) technique to provide ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
Cavity enhancement of molecular absorption through laser action has made intracavity laser spectroscopy (ILS) a powerful tool for the detection of trace species and weakly absorbing molecules. The effective pathlength for ...

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