Polarimetry enabled by nanophotonics

Nanoantenna and plasmonic structures can be used to measure light polarization Light beams consist of oscillatory electric (and magnetic) fields having a certain amplitude, phase, and frequency. In transverse waves, the state of polarization (SoP) characterizes how the electric field oscillates in t...

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Published inScience (American Association for the Advancement of Science) Vol. 362; no. 6416; pp. 750 - 751
Main Author Martínez, Alejandro
Format Journal Article
LanguageEnglish
Published United States The American Association for the Advancement of Science 16.11.2018
Subjects
Astronomical polarimetry
Astronomy
Electric fields
Light beams
Organic chemistry
Propagation
Stokes parameters
Transverse waves
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Summary:Nanoantenna and plasmonic structures can be used to measure light polarization Light beams consist of oscillatory electric (and magnetic) fields having a certain amplitude, phase, and frequency. In transverse waves, the state of polarization (SoP) characterizes how the electric field oscillates in the plane perpendicular to the propagation direction. Light-matter interactions strongly depend on the SoP, so its complete measurement is of paramount importance in a wide array of disciplines including chemistry, imaging, optical communications, and astronomy. However, measuring the SoP of a light beam, the main goal of polarimetry, is much trickier than knowing its intensity or frequency, because it involves the simultaneous measurement of the four Stokes parameters, which even account for the case of unpolarized light.
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ISSN:0036-8075
1095-9203
DOI:10.1126/science.aau7494