| Title: | Ferroelectric fluids for nonlinear photonics : evaluation of temperature dependence of second-order susceptibilities |
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| Authors: | ID Lovšin, Matija, Institut "Jožef Stefan" (Author)
ID Cmok, Luka, Institut "Jožef Stefan" (Author)
ID Gibb, Calum Jordan (Author)
ID Hobbs, Jordan (Author)
ID Mantle, Richard J. (Author)
ID Mertelj, Alenka, Institut "Jožef Stefan" (Author)
ID Drevenšek Olenik, Irena, Institut "Jožef Stefan" (Author)
ID Sebastián Ugarteche, Nerea, Institut "Jožef Stefan" (Author) |
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| Files: |  URL - Source URL, visit https://advanced.onlinelibrary.wiley.com/doi/10.1002/adom.202503018
 PDF - Presentation file, download (1,74 MB)
MD5: 5ABC72F9F93C7904D173A99B18C70284
Description: The data that support the findings of this study are openly available in Zenodo at https://doi.org/10.5281/zenodo.17983956.
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| Language: | English |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: |  IJS - Jožef Stefan Institute
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| Abstract: | Ferroelectric nematic fluids are promising materials for tunable nonlinear photonics, with applications ranging from second harmonic generation to sources of entangled photons. However, the few reported values of second-order susceptibilities vary widely depending on the molecular architecture. Here, we systematically measure second-order NLO susceptibilities of five different materials that exhibit the ferroelectric nematic phase, as well as the more recently discovered layered smectic A ferroelectric phase. The materials investigated include archetypal molecular architectures as well as mixtures showing room-temperature ferroelectric phases. The measured values, which range from 0.3 to 20 pm V−1, are here reasonably predicted by combining calculations of molecular-level hyperpolarizabilities and a simple nematic potential, highlighting the opportunities of modelling-assisted design for enhanced NLO ferroelectric fluids. |
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| Keywords: | ferromagnetic nematic fluids, maker fringes method, nonlinear photonics, nonlinear optical materials |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 12.09.2025 |
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| Publication date: | 04.01.2026 |
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| Publisher: | Wiley |
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| Year of publishing: | 2026 |
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| Number of pages: | str. 1-11 |
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| Numbering: | Vol. 14, iss. , [article no.] e03018 |
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| Source: | Nemčija |
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| PID: | 20.500.12556/DiRROS-25137  |
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| UDC: | 537 |
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| ISSN on article: | 2195-1071 |
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| DOI: | 10.1002/adom.202503018 |
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| COBISS.SI-ID: | 264300547 |
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| Copyright: | © 2026 The Author(s). |
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| Note: | Nasl. z nasl. zaslona;
Soavtorji iz Slovenije: Luka Cmok, Alenka Mertelj, Irena Drevenšek-Olenik, Nerea Sebastián;
Opis vira z dne 12. 1. 2026;
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| Publication date in DiRROS: | 12.01.2026 |
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| Views: | 109 |
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| Downloads: | 60 |
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