Results 161 to 170 of about 1,743 (212)
Snapshot Stokes polarimeters based on a single biaxial crystal [PDF]
Proceedings of SPIE, 2017 We propose two different in-line optical schemes for the implementation of Biaxial Crystal (BC) based polarimeters. Unlike already existing BC polarimeters prototypes, our proposed architectures only require of a single BC and only one CCD camera, this ...
Alejandro Turpin +2 more
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SPIE Proceedings, 2007
Chirality is an excellent indicator of life, but naturally occurring astrobiological (as well as terrestrial) samples nearly always exhibit massive depolarizing light scattering, which renders conventional polarimeters useless. For astrobiological applications, we instead consider a novel polarimeter originally developed for non-invasive human-glucose ...
Neeraj, Kothari +4 more
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Chirality is an excellent indicator of life, but naturally occurring astrobiological (as well as terrestrial) samples nearly always exhibit massive depolarizing light scattering, which renders conventional polarimeters useless. For astrobiological applications, we instead consider a novel polarimeter originally developed for non-invasive human-glucose ...
Neeraj, Kothari +4 more
openaire +2 more sources
Review of Scientific Instruments, 1949
A microwave polarimeter is described which enables the determination of rotation of the plane of polarization of microwaves in the 3.2-cm band. The transmitter-analyzer utilizes klystron tube 723 A/B. The microwaves are fed into a horn which acts as a polarizing agent.
A E, SCHWANEKE, Z V, HARVALIK
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A microwave polarimeter is described which enables the determination of rotation of the plane of polarization of microwaves in the 3.2-cm band. The transmitter-analyzer utilizes klystron tube 723 A/B. The microwaves are fed into a horn which acts as a polarizing agent.
A E, SCHWANEKE, Z V, HARVALIK
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Review of Scientific Instruments, 1950
A recording polarimeter has been constructed. The principle of operation is essentially the replacement of an operator in conventional visual polarimetry by a photoelectric servo system. A photo-multiplier tube is used which, in conjunction with a mechanical chopping system, delivers an alternating current signal proportional to the unbalance.
G B, LEVY, P, SCHWED, D, FERGUS
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A recording polarimeter has been constructed. The principle of operation is essentially the replacement of an operator in conventional visual polarimetry by a photoelectric servo system. A photo-multiplier tube is used which, in conjunction with a mechanical chopping system, delivers an alternating current signal proportional to the unbalance.
G B, LEVY, P, SCHWED, D, FERGUS
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Journal of the American Pharmaceutical Association (Scientific ed.), 1950
A technical description of a new capillary polarimeter tube and of several methods for securing cover glasses is given. The new tube has been used for precision measurements on sucrose, using a wire recorder to take data in a darkroom; for work with essential oils; and for a novel “optical titration”.
F M, GOYAN, I J, SZEKELY
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A technical description of a new capillary polarimeter tube and of several methods for securing cover glasses is given. The new tube has been used for precision measurements on sucrose, using a wire recorder to take data in a darkroom; for work with essential oils; and for a novel “optical titration”.
F M, GOYAN, I J, SZEKELY
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Proceedings of 12th International Conference on Pattern Recognition, 2002
The natural light field has long been known to be partly linearly polarized, and it has been suggested that various objects reflect light that is polarized at a specific orientation. Although humans use polarized light, our inability to see it limits our study and understanding of its distribution in nature and of the information it carries. By placing
T. W. Cronin +2 more
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The natural light field has long been known to be partly linearly polarized, and it has been suggested that various objects reflect light that is polarized at a specific orientation. Although humans use polarized light, our inability to see it limits our study and understanding of its distribution in nature and of the information it carries. By placing
T. W. Cronin +2 more
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Interferometric imaging polarimeter
Journal of the Optical Society of America A, 2004We describe a new imaging polarimeter that is based on a modified Sagnac interferometer and allows full polarimetric description of complex random electromagnetic beams from only two images as compared with the four images needed in conventional polarimetry. The procedure is analyzed in terms of the interference laws of Fresnel and Arago, and very good
Mujat, Mircea +2 more
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POET: POlarimeters for Energetic Transients [PDF]
, 2008 POET (Polarimeters for Energetic Transients) is a Small Explorer mission concept proposed to NASA in January 2008. The principal scientific goal of POET is to measure GRB polarization between 2 and 500 keV.
Philip Kaaret +2 more
exaly +9 more sources
International Optical Design, 2006
A polarimeter is built to be used with the SCUBA-2 camera of the James Clerk Maxwell Telescope to study polarized sub-millimeter radiations. We simulated the effect of the polarimeter on image quality and polarization measurements. © 2006 Optical Society of America.
Leclerc M. R. +5 more
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A polarimeter is built to be used with the SCUBA-2 camera of the James Clerk Maxwell Telescope to study polarized sub-millimeter radiations. We simulated the effect of the polarimeter on image quality and polarization measurements. © 2006 Optical Society of America.
Leclerc M. R. +5 more
openaire +2 more sources