Academic Journal
Optical vortices by an adaptive spiral phase plate
| العنوان: | Optical vortices by an adaptive spiral phase plate |
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| المؤلفون: | Jankowski, Tomasz, Bennis, Noureddine, Morawiak, Przemek, Zografopoulos, Dimitrios C., Pakula, Anna, Filipiak, M., Slowikowski, M., López Higuera, José Miguel, Algorri Genaro, José Francisco |
| المساهمون: | Universidad de Cantabria |
| المصدر: | Optics and Laser Technology, 2024, 176, 111029 |
| بيانات النشر: | Elsevier |
| سنة النشر: | 2024 |
| المجموعة: | Universidad de Cantabria: UCrea |
| مصطلحات موضوعية: | Optical vortices, Liquid crystals, Orbital angular momentum |
| الوصف: | An Adaptive Spiral Phase Plate (ASPP) based on liquid crystal (LC) and the transmission electrode technique is theoretically and experimentally demonstrated. This ASPP design enables the generation of high-quality optical vortices with topological charges ranging from ±1 to ±4 using a single device, with higher charges being directly achievable by employing higher-birefringence LC or thicker cells. The continuous reconfigurability of the optical phase shift, achieved through a simple control mechanism involving only two low voltages and 100 electrodes that distribute the voltage, sets this device as an accurate approximation to a continuous ASPP. The measured conversion efficiency ranges between almost 100% and 95% for the first and fourth topological charges, respectively. This device offers remarkable advantages, such as complete reconfigurability, allowing adjustment of operating wavelengths and topological charges. The fabrication process mirrors that of a standard LCD cell, ensuring a cost-effective and reliable solution. In summary, the proposed ASPP is a key advancement, providing superior light conversion efficiency, simplicity, and the capability for on-the-fly reconfiguration in various optical applications. ; J. F. Algorri acknowledges the support of the project RYC2022- 035279-I funded by MCIN/AEI/10.13039/501100011033 and FSE+. Also, by projects TED2021-130378B-C21 and PID2022-137269OB-C22 funded by MCIN/AEI/10.13039/501100011033/ and by FEDER ‘‘A way to make Europe’’. N. Bennis also acknowledges research project UGB 22-725 (Military University of Technology). |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| تدمد: | 0030-3992 |
| Relation: | https://doi.org/10.1016/j.optlastec.2024.111029; info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2022-137269OB-C22/ES/SENSORES FOTONICOS PARA CIUDADES INTELIGENTES Y SOSTENIBLES II; TED2021-130378B-C21; PID2022-137269OB-C22; https://hdl.handle.net/10902/32739 |
| DOI: | 10.1016/j.optlastec.2024.111029 |
| الاتاحة: | https://hdl.handle.net/10902/32739 https://doi.org/10.1016/j.optlastec.2024.111029 |
| Rights: | Attribution 4.0 International ; http://creativecommons.org/licenses/by/4.0/ ; openAccess |
| رقم الانضمام: | edsbas.AC2B9BD8 |
| قاعدة البيانات: | BASE |
| تدمد: | 00303992 |
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| DOI: | 10.1016/j.optlastec.2024.111029 |