Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 34 for “"molecular spectroscopy"”.
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High Pressure Molecular Spectroscopy
Made available in DSpace on 2014-12-05T17:15:23Z (GMT). No. of bitstreams: 1 0023400.pdf: 6625079 bytes, checksum: 8cf5022f27f3817bf205c2c25d31dbc4 (MD5) Previous issue date: 1957
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Molecular Spectroscopy at High Pressure
Made available in DSpace on 2014-12-05T17:15:22Z (GMT). No. of bitstreams: 1 0023299.pdf: 6708222 bytes, checksum: e2c13e270a267785e0515948c6d43213 (MD5) Previous issue date: 1957
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Nanophotonic split-ring resonators as dichroics for molecular spectroscopy
… ultra sensitive biosensors based on vibrational spectroscopy. Through strict engineering of structural morphology, a nanometal’s free electrons can be tuned to resonate at a particular frequency, resulting in amplification and confinement of the electromagnetic field around certain areas of the …
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Studies of Coherent-Phenomena and High-Resolution Ultraviolet Molecular Spectroscopy
Made available in DSpace on 2014-12-10T23:01:50Z (GMT). No. of bitstreams: 1 7412259.pdf: 2773287 bytes, checksum: eb7cb91e3dad37566e347db16d6b2338 (MD5) Previous issue date: 1973
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Molecular Spectroscopy: A Study of Molecules in Earth and Planetary Atmospheres
<p>The four most abundant isotopologues (N<sub>2</sub>O, <sup>15</sup>NNO, N<sup>15</sup>NO, and NN<sup>18</sup>O) of nitrous oxide have been measured in the Earth's atmosphere by infrared remote sensing with the Atmospheric Chemistry Experiment (ACE) Fourier transform spectrometer. These satellite …
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Pulsed plasma microjets: a new tool for the investigation of plasma kinetics and molecular spectroscopy
… demonstrates a fundamental restriction on which molecular states can and cannot be effectively cooled in a supersonic expansion. The rate constant for rotational relaxation within the He2(d3Σu+) state was determined to be (9.4 ± 0.1) × 10-13 cm3s-1, while the rate constant for collisional …
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Quantum chemistry for spectroscopy : a tale of three spins (S = 0, 1/2, and 1)
Three special topics in the field of molecular spectroscopy are investigated using a variety of computational techniques. First, large-amplitude vibrational motions on ground-state singlet (S0) potential energy surfaces are analyzed for both the acetylene/vinylidene and the HCN/HNC isomerization …
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Optical Control and Spectroscopic Studies of Collisional Population Transfer in Molecular Electronic States
… induced transparency (EIT) applied to molecular systems are the focus of this Dissertation in the context of high resolution molecular spectroscopy. We demonstrate that the AT effect can be used to manipulate the spin character of a spin-orbit coupled pair of molecular energy levels …
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Development of the Pressure-Sensitive-Paint Technique for Advanced Turbomachinery Applications
… technique which employs the tools of molecular spectroscopy has recently received considerable attention in the fluid mechanics community. Measurements are made via oxygen-sensitive molecules attached to the surface of interest as a coating, or paint. The pressure-sensitive-paint (PSP) …
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Determining gas temperature from spectroscopic measurements in electric oxygen-iodine lasers
… traditional measurement techniques have led to molecular spectroscopy being relied upon for gas temperature measurements. In the past, all temperature information was calculated using the O2(b1Σ) emission spectrum. This thesis discusses a new temperature diagnostic so that gas temperatures can …
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Light-matter interactions in all-dielectric silicon nanoresonators
… optical and infrared wavelengths, nanoantennas, molecular spectroscopy, surface-enhanced Raman spectroscopy (SERS) and subwavelength cavities.
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Biological Water: Properties and Role in Muscle Function and Development
… cells and intact myofibril was studied using molecular spectroscopy techniques. Both studies show that intracellular water within muscle has significantly stronger hydrogen bonding and hindered dynamics. In addition, changes in water properties have been correlated with muscle contraction and …
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Progress in sensitive mid-infrared spectroscopy of cooled molecular ions
The spectroscopic investigation of molecular ions is key to facilitating a better understanding of chemical and physical processes that occur both here on Earth and among distant stars. However, numerous challenges are encountered when attempting to study these highly reactive species in the …
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Development of a sensitive mid-infrared spectrometer for the study of cooled molecular ions
The study of molecular ions is relevant to many areas of scientific interest. Mid-infrared laser spectroscopy functions as a useful tool for understanding the role of molecular ions in these areas. To this end, a broadly tunable mid-infrared difference frequency generation noise-immune …
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Spectroscopic investigations of the X and A state dynamics of ¹³C₂H₂
… Dispersed Fluorescence (DF), Cavity Ring-Down Spectroscopy (CRDS), Noise Immune Cavity Enhanced Optical Heterodyne Molecular Spectroscopy (NICE-OHMS) and Stimulated Emission Pumping (SEP) are employed to study the spectroscopy and dynamics of acetylene. All of these experiments focus on 13C2H2 …
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Optical Emission Spectroscopy during Sputter Deposition of CdTe Solar Cells and CuTe-Based Back Contacts
… are studied in detail through optical emission spectroscopy. In order to extract plasma parameters, experimental data and simulations were matched together. We could extract excitation temperatures, vibrational temperatures and rotational temperatures of the plasmas. To explain the simulations …
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A critical assessment of possible pitfalls in absolute configuration assignment using Vibrational Circular Dichroism
… is no longuer a curious novelty in the field of molecular spectroscopy as VCD spectrometers are commercially available as well as the algorithms to calculate the spectra, which are implemented in various software packages. This makes VCD routinely applicable for the determination of absolute …
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An ultracold gas of dipolar fermionic ²³Na⁴⁰K molecules
… to the singlet rovibrational ground state, molecular spectroscopy is performed in search of a suitable two-photon pathway. We find two excited molecular states with with strong coupling to the Feshbach molecular state and the singlet rovibrational ground state. One of the two pathways is …
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