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 48 for “"polarimeter"”.
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The estimation of damaged starch using polarimeter
Digitized by Kansas Correctional Industries
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The estimation of damaged starch using polarimeter
Digitized by Kansas Correctional Industries
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280 GHz receivers for the SPIDER CMB polarimeter
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
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Compton polarimeter for Qweak Experiment at Jefferson Laboratory
… to an absolute uncertainty of 1%. A new Compton polarimeter has been built and installed in Hall C in order to make this important measurement. Compton polarimetry has been chosen for its ability to deliver continuous on-line measuremnts at high currents necessary for Qweak (up to 180pzA). In …
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Designing, constructing, and testing an X-ray polarimeter
… the evaluation of the multilayer mirrors as a polarimeter.
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Results from prototype polarimeter/interferometer on Alcator C-Mod
… Design has begun for a 20-channel, Far-infrared polarimeter-interferometer system on Alcator C-Mod. In preparation for this experiment, a poloidally-viewing prototype polarimeter-interferometer has been constructed, installed, and tested on Alcator C-Mod. This thesis describes the design of this …
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A fiber optic polarimeter for use in chemical analysis
… the design and development of an optical fiber polarimeter which measures the optical rotation of linearly polarized light that occurs in a sensing region between two multi-mode optical fibers. Over short distances, the polarization preserving capabilities of large-core multi-mode optical fibers …
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Examining celestial polarization with the Gamma Ray Polarimeter Experiment (GRAPE)
… describes the development of the Gamma Ray Polarimeter Experiment (GRAPE), which is designed to measure the polarization of astronomical sources from 50 keV to 500 keV, and presents the Crab observation results from the successful 2011 balloon campaign. The successful balloon flight of this …
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Development of an imaging polarimeter for water wave slope measurements
… of reflected light. Unlike in common polarimeters, custom optics are not required in this simple setup consisting of three cameras aligned in parallel and each equipped with a standard polarization filter. The trade-off for the simple setup is the need for more extensive system …
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Analysis of signal-to-noise ratio of angle and degree of linear polarization in division of focal plane polarimeter
Recent advancement in nanofabrication technology has led to commercialization of single-chip polarization and color-polarization imaging sensors in the visible spectrum. Novel applications have arisen with the emergence of these sensors leading to questions about noise in the reconstructed …
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Polarization in neutron-proton elastic scattering at 21.6 MEV
… instrument was an anthracene scintillation polarimeter. A critical assessment of this polarimeter was made, and extensive refinements to the polarimeter were introduced so as to minimise perceived sources of systematic error. These included improvements both in instrumental design and data …
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Design and Construction of an Optical Polarimeter for the Study of Ice-like Analogs using Near Zero Phase Angle Measurements
… polarization ratios with the Goniometric polarimeter for various analog samples will provide an understanding for the characteristics of embedded scatterers within the icy regoliths.
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Polarimetry measurements of current density profile and fluctuation changes during lower hybrid experiments on Alcator C-Mod
… to the understanding of the LH physics. A polarimeter measures the line-integral of the electron density times the magnetic field parallel to a chord through the plasma, and is capable of deriving the current density profile with multi-chord measurements. A three-chord poloidally viewing …
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A polarized ≥He ion source: Measuring the polarization
… of their elastic scattering in a helium-filled polarimeter, provides the information necessary to deduce the nuclear spin polarization of the 3He ions. The polarimeter and its associated equipment are described. The results of tests of the polarimeter system with alpha particles and with …
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Polarimetry of magnetic cataclysmic variables
The design and construction of an astronomical polarimeter is described and an evaluation made of its performance. Extensive observations of cataclysmic variables with emphasis on the AM Her and DQ Her classes are then presented. After consideration of the basic principles involved in the …
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Extreme Ultraviolet Polarimetry with Laser-Generated High-Order Harmonics
We developed an extreme ultraviolet (EUV) polarimeter, which employs laser-generated high-order harmonics as the light source. This relatively high-flux directional EUV source has available wavelengths between 8 nm and 62 nm and easily rotatable linear polarization. The polarimeter will aid …
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Measurement of a weak polarization sensitivity to the beam orbit of the CEBAF accelerator
… injector spin manipulation system and 5 MeV Mott polarimeter, modeling of the polarization transport of the accelerator, installation of magnets to create a modulated orbit perturbation in a single recirculation arc, and detailed studies of the Hall C M0ller polarimeter.
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Polarization control and measurement with meta-optics
… may be used as a parallel snapshot polarimeter, requiring minimum of standard bulk polarization optics. We demonstrate its use in measuring partially polarized light, and show its performance compares favourably with a commercial polarimeter: for the degree of polarization (DOP) …
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Polarization in the elastic scattering of protons from carbon and nitrogen
… with the second scattering taking place in a 450 polarimeter. Both carbon and nitrogen targets were used as the second scatterer. The proton energies involved in both scatterings were care- fully monitored with Au-Si surface barrier detectors. The polarization analyzing properties of the …
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