# Browse Abstracts & Presentations - 2014 International Symposium on Molecular Spectroscopy by Subject "Instrument/Technique Demonstration"

• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Simultaneous spectroscopic detection of large molecules with broad ro-vibrational spectra, and small molecules with well-resolved narrow spectral lines requires both broadband optical frequency coverage ($>$50 \wn) and ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
\begin{wrapfigure}{r}{0pt} \includegraphics[scale=0.375]{abstractpic.eps} \end{wrapfigure} The rotational spectrum of the chiral molecule CpReCH$_{3}$(CO)(NO) (Cp=cyclopentadienyl) has been measured between 2 and ...

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Microsoft PowerPoint 2007 (5MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
\begin{wrapfigure}{r}{0pt} \includegraphics[scale=0.8]{DFG_output.eps} \end{wrapfigure} We report on an all polarization-maintaining, modelocked, fiber laser system which generates coherent broadband pulses centered ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Hyperfine-resolved saturation spectra were measured for a selection of low and medium J rotational lines in the $A^2\Pi$–$X^2\Sigma^+$ system of CN using two copropagating laser beams tuned to transitions in the (2–0) and ...

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Microsoft PowerPoint 2007 (867kB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Advances in chip-level microwave technology in the communications field have led to the possibilities of low cost alternatives for current Fourier transform microwave (FTMW) spectrometers. Many of the large, expensive ...

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Microsoft PowerPoint 2007 (10MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
External cavity quantum cascade lasers (EC-QCLs) provide significantly enhanced wavelength tunability while maintaining the high output powers of traditional QCLs throughout the mid-infrared portion of the spectrum. ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
A Doppler broadening thermometry is implemented using a laser-locked cavity ring-down spectrometer%~[1,2] \footnote{ H. Pan, C.-F. Cheng, Y.~R. Sun, B. Gao, A.-W. Liu, S.-M. Hu, Laser-locked, continuously tunable ...

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Microsoft PowerPoint 2007 (4MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Optical frequency combs are powerful tools for precise frequency measurements in various wavelength regions. The combs have been applied not only to metrology, but also to molecular spectroscopy. Recently, we studied ...

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Microsoft PowerPoint 2007 (1MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
We demonstrate a frequency stabilized cavity ringdown spectrometer capable of measuring simultaneous isotopes of methane (\chem{^{12}CH_4}, \chem{^{13}CH_4}, \chem{^{12}CH_3D}) of enriched samples to high precision ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
\begin{wrapfigure}{r}{0pt} \includegraphics[scale=0.28]{Graph1.eps} \end{wrapfigure} A dual-comb spectrometer (DCS) has great advantages over the conventional FTIR in respect with the resolution and the measurement ...

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Microsoft PowerPoint 2007 (2MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The far-infrared beamline at the Canadian Light Source is a state of the art user facility, which offers significantly more far-infrared brightness than conventional globar sources. The infrared radiation is collected ...

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Microsoft PowerPoint 2007 (8MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
1,3,5-trioxane, often used as a solid fuel or source of formaldehyde, is a symmetric top of the C$_{3v}$ group. Although the microwave\footnote{Oka, T., Tsuchiya, K., Iwata, S., and Morino, Y. Microwave Spectrum of ...

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Microsoft PowerPoint 2007 (1MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Vibrational sum frequency generation spectroscopy (VSFG) is a popular approach to obtaining molecular information from the interfaces of liquids and submonolayer adsorbates. A new challenge becomes apparent when applying ...

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Microsoft PowerPoint 2007 (13MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Since many years low temperature ion trapping techniques are successfully used in our laboratories in combination with sensitive action spectroscopy schemes (Laser Induced Reactions) to measure high resolution ro-vibrational ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Room-temperature rotational spectra are dense and difficult to assign, and so we have been working to develop methods to accelerate this process. We have tested two different methods with our waveguide-based spectrometer, ...

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Microsoft PowerPoint 2007 (7MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
We have introduced a wide-beam-coupled enhanced-cavity absorption cell (ECAC) into a 3-$\mu$m difference-frequency generation spectrometer in order to reduce transit-time broadening of Lamb dips. It contains concave and ...

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Microsoft PowerPoint 2007 (1MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
The buried interface of an organic semiconductor at the dielectric has a large on influence on the function of organic field effect transistors (OFETs). The use of vibrational sum frequency generation (VSFG) to obtain ...

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Microsoft PowerPoint 2007 (27MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Fourier transform microwave (FTMW) spectroscopy has been used for many years as one of the most accurate methods to determine gas-phase structures of molecules and small molecular clusters. In the last years two pioneering ...

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Microsoft PowerPoint 2007 (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
Spectrometers based on Quantum Cascade (QC) lasers can be run in either continuous or pulsed operation. Although the instrumentation based upon the most recent versions of continuously operating QC lasers can have higher ...

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Microsoft PowerPoint (3MB)
• (International Symposium on Molecular Spectroscopy, 2014-06-17)
We report multiheterodyne-detected cavity-enhanced absorption spectroscopy (MH-CEAS) of CO$_{2}$ in the near-infrared using a novel frequency comb light source generated from the electro-optical modulation of a single ...

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Microsoft PowerPoint 2007 (8MB)