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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2603.11840 |
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| _version_ | 1866911508682768384 |
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| author | Santarsiero, Massimo de Sande, J. C. G. Piquero, Gemma |
| author_facet | Santarsiero, Massimo de Sande, J. C. G. Piquero, Gemma |
| contents | In undergraduate optics courses, diffraction gratings are studied extensively, generally within the scalar approximation. When the vector nature of light is taken into account, so-called polarization diffraction gratings have been proposed, which are a cutting-edge research topic due to their numerous applications. This paper proposes a simple experiment to introduce students to polarization diffraction gratings and, at the same time, use this device to apply many of the concepts learned about polarimetry. Although current research uses spatial light modulators and metasurfaces, we use a cheap commercial polarization grating. In addition to show how a polarization grating can be characterized, its use as a cheap and easy-to-use Stokes polarimeter is described and demonstrated experimentally. In performing the experiment, issues typical of inverting linear systems will arise, and this will also provide the opportunity to address the problem of finding well-conditioned systems of equations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_11840 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Design and characterization of a simple polarization grating-based polarimeter Santarsiero, Massimo de Sande, J. C. G. Piquero, Gemma Optics In undergraduate optics courses, diffraction gratings are studied extensively, generally within the scalar approximation. When the vector nature of light is taken into account, so-called polarization diffraction gratings have been proposed, which are a cutting-edge research topic due to their numerous applications. This paper proposes a simple experiment to introduce students to polarization diffraction gratings and, at the same time, use this device to apply many of the concepts learned about polarimetry. Although current research uses spatial light modulators and metasurfaces, we use a cheap commercial polarization grating. In addition to show how a polarization grating can be characterized, its use as a cheap and easy-to-use Stokes polarimeter is described and demonstrated experimentally. In performing the experiment, issues typical of inverting linear systems will arise, and this will also provide the opportunity to address the problem of finding well-conditioned systems of equations. |
| title | Design and characterization of a simple polarization grating-based polarimeter |
| topic | Optics |
| url | https://arxiv.org/abs/2603.11840 |