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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Lee, Timothy
University of Southampton
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2023Magnetic field sensing using laser written birefringent scattering medium
- 2022New generation of embedded planar optics for in-situ, through-thickness and real-time strain measurements in carbon fiber reinforced polymer composites during the cure processcitations
- 2019Low bend loss femtosecond written waveguides exploiting microcrack enhanced modal confinement
- 2017All-fiber sixth harmonic generation of deep UVcitations
- 2016Phase matched parametric amplification via four-wave mixing in optical microfiberscitations
- 2016All-fiber fourth and fifth harmonic generation from a single sourcecitations
- 2011Lead silicate glass microsphere resonators with absorption-limited Qcitations
- 2006Preparation of TiO2 coatings on PET monoliths for the photocatalytic elimination of trichloroethylene in the gas phasecitations
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document
Magnetic field sensing using laser written birefringent scattering medium
Abstract
We demonstrate a polarization analyser based on processing of speckle patterns generated by a scattering medium. Each speckle pattern at a given wavelength and polarization state is unique and deterministic, and thus the polarization angle alters the speckle pattern motif. The polarization state of a given input light is obtained using reconstructive linear algebra methods. The system consists of a femtosecond laser written scattering chip and a CMOS sensor and contains no moving parts, making the proposed solution is low-cost and compact. The linear polarization angle was accurately reconstructed over a 0-20° test range, with 6 arcminutes (1/10° ) standard error. To demonstrate an application as a polarimeter, we used the system to measure Faraday rotation in a SF59 lead silicate glass within an electromagnet. The magnetic field was successfully traced by determining the induced changes in the input beam’s linear polarization angle in the range 0-80 mT with 10 mT standard error.