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 8292 for “"spectroscopy"”.
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Vibrational Kerr spectroscopy
The infrared vibrational Kerr effect was investigated as a potentially selective and sensitive detection method for explosives. The investigation of the vibrational Kerr effect commenced with the first reported measurement of the integrated infrared vapor absorption strengths for the explosives …
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Theoretical study of single-molecule spectroscopy and vibrational spectroscopy in condensed phases
… to study several problems of single-molecule spectroscopy and vibrational spectroscopy in condensed phases. The first part of the thesis concentrates on studying dynamic disorders probed by single molecule fluorescence spectroscopy. Event statistics and correlations of single-molecule …
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Phoswich beta-gamma spectroscopy
Call number: LD2668 .T4 NE 1987 M66
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Ionizing radiation effects spectroscopy
… circuits, termed ionizing radiation effects spectroscopy (IRES). IRES identifies radiation effects based on statistical time-frequency analyses of native waveform behavior, thus having a minimal impact on operating performance. The resulting measures are used to identify parametric shifts as …
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Nanoscale Thermal Fluctuation Spectroscopy
The utilization of thermal fluctuations or Johnson/Nyquist noise as a spectroscopic method to determine transport properties in conductors or semiconductors is developed in this paper. The autocorrelation function is obtained from power spectral density measurements thus enabling electronic …
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Ultrafast Broadband Terahertz Spectroscopy
This dissertation centers on broadband terahertz spectroscopy and is arranged in four main sections. In the first section, we describe terahertz generation from a two-color laser air breakdown plasma. This is modeled with a plasma current that includes plasma density and dispersion in propagation. …
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High Frequency Transmission Spectroscopy
High Frequency Transmission Spectroscopy is a novel technique for the characterization of a wide range of materials in a diverse set of problem domains. HFTS has potential implications for problem domains such as semiconductor manufacturing and counterfeit detection, disease/infection screening, …
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Diffraction spectroscopy of metalloproteins
… as site selectivity, it is unique to Diffraction Spectroscopy, and is achieved only when the sample is in crystal form. Through this work, a technique has been devised to site-separate two atoms of iron from within a protein, that builds on prior small unit cell Diffraction Anomalous Fine …
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Spectroscopy of Discrete Breathers
In this work the interaction between a spatial localized and time periodic state (discrete breather) and small amplitude plane waves is studied.
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Microfluidic Electrical Impedance Spectroscopy
<p>The goal of this study is to design and manufacture a microfluidic device capable of measuring changes in impedance valuesof microfluidic cell cultures. Tocharacterize this, an interdigitated array of electrodes was patterned over glass, where it was then bonded to a series of fluidic networks …
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On-Chip Atomic Spectroscopy
… atoms in the hollow core. Saturated absorption spectroscopy measurements verified that the on-chip integrated vapor cell was suitable for common precision spectroscopy applications.
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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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Spectroscopy of correlated nanowires
This dissertation is concerned with spectroscopy of correlated nanowires, in particular carbon nanotubes and La_{2/3}Sr{1/3}MnO_3 (LSMO) nanowires. The technique of nonequilibrium superconducting tunnel spectroscopy is performed on carbon nanotube devices, and after subsequent deconvolution, the …
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Toward pure electronic spectroscopy
… system of CaF and developing Pure Electronic Spectroscopy. The Rydberg system of CaF possesses a paradigmatic character due to its strongly polar ion-core. The first characterization of the Stark effect in a Rydberg system of this nature is presented here, and a diagnostic application of the …
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Applications of Raman spectroscopy.
Thesis. 1977. M.S.--Massachusetts Institute of Technology. Dept. of Biology.
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Microwave spectroscopy of pentafluorosulfanylisocynate
The microwave spectrum of pentafluorosulfanylisocyanate, SF₅ -N = C = 0 has been investigated in the 8 GHz to 26 GHz region using a conventional Stark modulated spectrometer. Twenty six transitions have been assigned. A rigid rotor fit was performed by using low J transitions. The spectroscopic …
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Raman spectroscopy and diffuse reflectance spectroscopy for diagnosis of human cancer and acanthosis nigricans
… there has been much interest in using Raman spectroscopy and diffuse reflectance spectroscopy as analytical optical spectroscopic methods for early diagnosis of diseases. Raman spectroscopy can be used to measure changes in the bio-molecular composition of a tissue specimen, and diffuse …
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