{"id":593,"date":"2019-06-30T09:51:31","date_gmt":"2019-06-30T09:51:31","guid":{"rendered":"https:\/\/beta.research.ece.ncsu.edu\/osl\/?p=593"},"modified":"2019-06-30T09:51:31","modified_gmt":"2019-06-30T09:51:31","slug":"phase-shifting-interferometry-based-fourier-transform-channeled-spectropolarimeter","status":"publish","type":"post","link":"https:\/\/research.ece.ncsu.edu\/osl\/2019\/06\/30\/phase-shifting-interferometry-based-fourier-transform-channeled-spectropolarimeter\/","title":{"rendered":"Phase-shifting interferometry-based Fourier transform channeled spectropolarimeter"},"content":{"rendered":"<p>Abstract: Channeled spectropolarimetry is a snapshot technique for measuring the spectral dependence of the state of polarization of light. However, it suffers from two major limitations, namely, its high sensitivity to environmental perturbations and its susceptibility to channel crosstalk. These limitations reduce the polarimetric reconstruction accuracy of the spectropolarimeter. A new calibration technique for channeled spectropolarimetry is presented that utilizes the concept of phase-shifting interferometry to accurately acquire and demodulate the retardation phase factors, thereby improving the accuracy of the Stokes data reconstruction as well as enabling more robust performance. The new technique also enables the acquisition of high-resolution intensity spectrum by adopting a dual-scan measurement technique for reducing crosstalk. Experimental results show that calibrations using phase-shifting interferometry yield higher data reconstruction accuracy as compared to the self-calibration technique.<\/p>\n<p>Ali Altaqui and M. W. Kudenov, &#8220;Phase-shifting interferometry-based Fourier transform channeled spectropolarimeter,&#8221; Appl. Opt.<b>58<\/b>, 1830-1840 (2019)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract: Channeled spectropolarimetry is a snapshot technique for measuring the spectral dependence of the state of polarization of light. However, it suffers from two major&#8230;<\/p>\n","protected":false},"author":103,"featured_media":594,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_members_access_role":[],"_members_access_error":""},"categories":[6],"tags":[],"class_list":["post-593","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research-papers"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Abstract: Channeled spectropolarimetry is a snapshot technique for measuring the spectral dependence of the state of polarization of light. 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A new calibration technique for channeled\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"mwkudeno\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/research.ece.ncsu.edu\/osl\/2019\/06\/30\/phase-shifting-interferometry-based-fourier-transform-channeled-spectropolarimeter\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"OSL | Optical Sensing Lab\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Phase-shifting interferometry-based Fourier transform channeled spectropolarimeter | OSL\" \/>\n\t\t<meta property=\"og:description\" content=\"Abstract: Channeled spectropolarimetry is a snapshot technique for measuring the spectral dependence of the state of polarization of light. 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A new calibration technique for channeled\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/research.ece.ncsu.edu\/osl\/2019\/06\/30\/phase-shifting-interferometry-based-fourier-transform-channeled-spectropolarimeter\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-06-30T09:51:31+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-06-30T09:51:31+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Phase-shifting interferometry-based Fourier transform channeled spectropolarimeter | OSL\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Abstract: Channeled spectropolarimetry is a snapshot technique for measuring the spectral dependence of the state of polarization of light. However, it suffers from two major limitations, namely, its high sensitivity to environmental perturbations and its susceptibility to channel crosstalk. 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