Haku
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Preparation of Yb3+ and Er3+ codoped phosphate glasses for active waveguides
(2017)
Diplomityö
Diplomityö
Fibers and fiber lasers are widely used in photonics as well as in medical applications. Hence, research on fiber lasers utilizing glasses activated with rare-earth (RE) ions has been of great interest. One of the most ...
An Approach for Improving Transparency and Traceability of Industrial Supply Chain with Blockchain Technology
(2017)
Diplomityö
Diplomityö
Nowadays, the modern supply chain is facing the new threats and opportunities due to quality, safety, ethics, environmental impact and other serious problems aroused by the opacity of supply chain. On the contrary, a ...
Enabling Fairness and QoS for LTE/Wi-Fi Coexistence in Unlicensed Spectrum
(2017)
Diplomityö
Diplomityö
The increase of the number of interconnected devices, the Internet of Things (IoT) and new types of services have led to the development of new techniques to improve data transmission and new commercial opportunities in ...