ARTICLE Received 24 Apr 2016 | Accepted 22 Aug 2016 | Published 5 Oct 2016 Thermopile detector of light ellipticity Feng Lu1, Jongwon Lee1,w, Aiting Jiang1, Seungyong Jung1 & Mikhail A. Belkin1 Polarimetric imaging is widely used in applications from material analysis to biomedical diagnostics, vision and astronomy. The degree of circular polarization, or light ellipticity, is associated with the S3 Stokes parameter which is defined as the difference in the intensities of the left- and right-circularly polarized components of light. Traditional way of determining this parameter relies on using several external optical elements, such as polarizers and wave plates, along with conventional photodetectors, and performing at least two measurements to distinguish left- and right-circularly polarized light components. Here we theoretically
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Thermopile detector of light ellipticity
Feng Lu, Jongwon Lee, Aiting Jiang, Seungyong Jung, Mikhail A. Belkin
Research context
Abstract Polarimetric imaging is widely used in applications from material analysis to biomedical diagnostics, vision and astronomy. The degree of circular polarization, or light ellipticity, is associated with the S3 Stokes parameter which is defined as the difference in the intensities of the left- and right-circularly polarized components of light. Traditional way of determining this parameter relies on using several external optical elements, such as polarizers and wave plates, along with conventional photodetectors, and performing at least two measurements to distinguish left- and right-circularly polarized light components. Here we theoretically propose and experimentally demonstrate a thermopile photodetector element that provides bipolar voltage output directly proportional to the S3 Stokes parameter of the incident light.
Source & review
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Cite / 引用
Feng Lu, Jongwon Lee, Aiting Jiang, Seungyong Jung, Mikhail A. Belkin. Thermopile detector of light ellipticity. Nature Communications (2016). https://doi.org/10.1038/ncomms12994
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