The Polarimeter
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The Polarimeter
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Author : Vivian Thorning Saunders
language : en
Publisher:
Release Date : 1939
The Polarimeter written by Vivian Thorning Saunders and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1939 with Polariscope categories.
The Development Of The Polarimeter In Relation To Problems In Pure And Applied Chemistry
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Author : Robert Ward
language : en
Publisher:
Release Date : 1980
The Development Of The Polarimeter In Relation To Problems In Pure And Applied Chemistry written by Robert Ward and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Chemistry categories.
The Polarimeter In Sugar Analysis
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Author : Helen Bell
language : en
Publisher:
Release Date : 1931
The Polarimeter In Sugar Analysis written by Helen Bell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1931 with Polarization (Light) categories.
Testing And Performance Characterization Of The Split Field Polarimeter In The 3 5 Micrometers Waveband
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Author : Yan Foo Tung
language : en
Publisher:
Release Date : 2003-12-01
Testing And Performance Characterization Of The Split Field Polarimeter In The 3 5 Micrometers Waveband written by Yan Foo Tung and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-12-01 with categories.
The infrared (IR) radiation emitted or reflected in an off-normal direction from a smooth surface is partially polarized. This principle can be used for enhanced discrimination of targets from backgrounds in marine environment. It has been shown that (man-made) targets do not demonstrate a pronounced polarization effect when observed at near normal existence whereas the sea background radiation has a significant degree of polarization in slant observation directions. The NPS split-field polarimeter was previously designed and constructed to provide simultaneous image pairs in a single frame, differing only in the direction of linear polarization. The system can operate in both long wavelength (8-12 micrometers) and the mid wavelength (3-5 micrometers) with interchangeable polarizing splitter plates. In this thesis, tests were conducted to visually compare the polarizing effect on objects in the 3-5 micrometers waveband using the polarimeter and with the external polarizer. The image recorded in the laboratory with the horizontal and vertical polarizations depicts a contrast enhancement differing with varied aspect of the target. With the successful demonstration of the polarimeter operability, the performance of the thermal imager operated with and without the polarimeter was characterized by measuring its Minimum Resolvable Temperature Difference (MRTD) as a function of different spatial frequency. The measured performance was then compared against the same thermal imager using an external polarizer. The measured MRTD curve is used to model the system detection and recognition range using the Johnson criteria.
Polarimetry Saccharimetry And The Sugars
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Author : Frederick John Bates
language : en
Publisher:
Release Date : 1942
Polarimetry Saccharimetry And The Sugars written by Frederick John Bates and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1942 with Science categories.
Investigation Into The Non Ideality Of The Polarimeter Consisting Of A Rotating Quarter Wave Plate Followed By A Fixed Linear Polarizer
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Author : Marc Kolodner
language : en
Publisher:
Release Date : 1990
Investigation Into The Non Ideality Of The Polarimeter Consisting Of A Rotating Quarter Wave Plate Followed By A Fixed Linear Polarizer written by Marc Kolodner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
Digital Correlation Microwave Polarimetry
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Author : J. R. Piepmeier
language : en
Publisher: BiblioGov
Release Date : 2013-08
Digital Correlation Microwave Polarimetry written by J. R. Piepmeier and has been published by BiblioGov this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08 with categories.
The design, analysis, and demonstration of a digital-correlation microwave polarimeter for use in earth remote sensing is presented. We begin with an analysis of three-level digital correlation and develop the correlator transfer function and radiometric sensitivity. A fifth-order polynomial regression is derived for inverting the digital correlation coefficient into the analog statistic. In addition, the effects of quantizer threshold asymmetry and hysteresis are discussed. A two-look unpolarized calibration scheme is developed for identifying correlation offsets. The developed theory and calibration method are verified using a 10.7 GHz and a 37.0 GHz polarimeter. The polarimeters are based upon 1-GS/s three-level digital correlators and measure the first three Stokes parameters. Through experiment, the radiometric sensitivity is shown to approach the theoretical as derived earlier in the paper and the two-look unpolarized calibration method is successfully compared with results using a polarimetric scheme. Finally, sample data from an aircraft experiment demonstrates that the polarimeter is highly-useful for ocean wind-vector measurement.
Polarimetry
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Author : United States. Bureau of Standards
language : en
Publisher:
Release Date : 1914
Polarimetry written by United States. Bureau of Standards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1914 with Polariscope categories.
Polarimeter In A Pixel
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Author :
language : en
Publisher:
Release Date : 2007
Polarimeter In A Pixel written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
An imaging polarimeter captures an image with both the intensity and the average polarization state recorded for each pixel. A polarimetric image has more information than a simple intensity image and improves remote sensing and automatic target recognition. The current technology of imaging polarimeters cannot reliably measure high-spatiotemporal polarization or high-spectral-resolution polarization of a moving scene; the camera reports huge errors at the boundaries of objects in the scene or trades-off spatial and spectral resolution to achieve faster measurements. The aim of the proposed project is to realize a new optoelectronic device that completely and instantaneously measures the incident light's polarization for a narrow wavelength band in a single physical pixel. We have undertaken theoretical modeling of the Polarimeter in a Pixel and undertook one round of fabrication of the device. Although the device exhibited good mid infrared absorption, the electrical characteristics were poor due to residual Silicon Nitride. We are requesting follow on funding to undertake experimental studies on this project in collaboration with AFRL/VSSS.
Polarized Light And Optical Systems
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Author : Russell A. Chipman
language : en
Publisher: CRC Press
Release Date : 2018-07-16
Polarized Light And Optical Systems written by Russell A. Chipman and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-16 with Technology & Engineering categories.
Polarized Light and Optical Systems presents polarization optics for undergraduate and graduate students in a way which makes classroom teaching relevant to current issues in optical engineering. This curriculum has been developed and refined for a decade and a half at the University of Arizona’s College of Optical Sciences. Polarized Light and Optical Systems provides a reference for the optical engineer and optical designer in issues related to building polarimeters, designing displays, and polarization critical optical systems. The central theme of Polarized Light and Optical Systems is a unifying treatment of polarization elements as optical elements and optical elements as polarization elements. Key Features Comprehensive presentation of Jones calculus and Mueller calculus with tables and derivations of the Jones and Mueller matrices for polarization elements and polarization effects Classroom-appropriate presentations of polarization of birefringent materials, thin films, stress birefringence, crystal polarizers, liquid crystals, and gratings Discussion of the many forms of polarimeters, their trade-offs, data reduction methods, and polarization artifacts Exposition of the polarization ray tracing calculus to integrate polarization with ray tracing Explanation of the sources of polarization aberrations in optical systems and the functional forms of these polarization aberrations Problem sets to build students’ problem-solving capabilities.