Jukka Orava

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Chalcogenide glasses are promising candidate materials for a wide range of photonics applications. The design and realisation of optical components based on these materials requires detailed information on their optical properties, frequently over a range of wavelengths. In this paper we review experimental refractive index data for three chalcogenide glass(More)
This paper examines the professional implications for teachers and managers in new and evolving forms of professional development using Web 2.0 tools in a European context. Research findings are presented from the “Creative Use of Media” learning event developed through a European eTwinning Learning Lab initiative in spring of 2009. The Creative use of the(More)
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