Identification number: 1.1.1.3/1/24/A/069
Type: European Regional Development Fund (ERDF)
Duration: 01.06.2025. - 31.05.2028.
Project Leader: Prof. Dr. Anatolijs Šarakovskis, Institute of Solid State Physics University of Latvia (ISSP UL)
Responsible person from ISSP UL: Prof. Dr. Anatolijs Šarakovskis, ISSP UL
Project partners: Light Guide Optics International, Eventech
Total funding: 650 000.00 EUR
ERDF funding: 505 050.00 EUR
Project summary:
The aim of the project is to develop and test a novel design for a distributed all-optical temperature sensor based on optical fibre.
The project will be implemented by the applicant – Institute of Solid State Physics, University of Latvia, in cooperation with two industrial partners: Light Guide Optics International and Eventech. The type of the project is industrial, not related to economic activity.
The results of this project will lead to the publication of four articles in scientific journals indexed in international databases like Scopus and Web of Science, along with the submission of at least one patent application. The practical utility of the advanced luminescent materials and readout methods will be showcased by the development of a prototype for a distributed fibre-based all-optical temperature sensor. Initially, the technology readiness level (TRL) of the scientific concept is assessed at TRL 2, with the goal of advancing it to TRL 5 by the end of the project.
PROJECT PROGRESS
Time period: 01.06.2025.-31.08.2025.
Activity No. 2d1. Synthesis and structure characterisation of materials.
The first samples of complex oxides activated with Ce3+ ions have been synthesized. Work is underway to optimize the optimal activator concentration and sample synthesis conditions.
Activity No. 2d2. Characterisation of the temperature-dependent luminescence properties of materials by analysis of their emission spectra, intensity and decay kinetics.
Measurements of the luminescence excitation and luminescence spectra of the four synthesized samples were performed, as well as measurements of the luminescence decay times of the three most intense samples.
Activity No. 2d3. Development of an optical circuit and components for spatially distributed optical temperature sensor.
In collaboration with partner LGOI, a strategy for developing optical fibre waveguides for an optical temperature sensor has been evaluated and several optical waveguides of different diameters are being prepared for future experiments.
Activity No. 2d4. Development of an electronic readout system for a spatially distributed optical temperature sensor prototype.
In collaboration with our partner Eventech, the first measurements are being prepared and performed for recording luminescence lifetimes in materials suitable for an optical temperature sensor.