Investigation of upconversion luminescence in Yb3+/Tm3+/Ho3+ triply doped antimony-germanate glass and double-clad optical fiber

Jun 10, 2016 | Application, Applications, Displays & Radiometry, Fluorescence, Optical Metrology, Physics

J Zmojda, M Kochanowicz, P Miluski, GC Righini… – Optical Materials, 2016 The optical properties of novel antimony-germanate glass and optical fiber co-doped with Yb3+/Tm3+/Ho3+ ions were presented. White light luminescence in glass was observed as a result of...

Inactivation of Asterionellopsis glacialis in seawater using combinations of deep ultraviolet light emitting diodes

Jun 10, 2016 | Application, Applications, Atmospheric, Biology, Displays & Radiometry, LED Measurement, UV SpectroRadiometry

M Rantalankila, H Koivistoinen, L Sarvasidze… – Separation and Purification …, 2016 Deep ultraviolet light emitting diodes (LED) were studied in water disinfection using Asterionellopsis glacialis as a model microorganism. Ultraviolet treatment reactors were...

Water Properties of Soft Contact Lenses: A Comparative Near-Infrared Study of Two Hydrogel Materials

Jun 10, 2016 | Application, NIR, Optical Metrology

J Munćan, I Mileusnić, J Šakota Rosić… – International Journal of …, 2016 The functionality of soft contact lenses depends strongly on the water content and their water-transport ability. This study was conducted in order to examine the state of water in two...

MEASUREMENT OF NITRATE-NITROGEN CONCENTRATION IN SOIL BASED ON ABSORPTION SPECTROSCOPY

Jun 10, 2016 | Agriculture, Application, Applications, Chemistry, Environmental & Microplastics, UV-VIS Absorption

MJ Preiner, NC Koshnick, JS White, JP Strachan – US Patent 20,160,146,728, 2016 The nitrate-nitrogen concentration in soil is estimated based on the nitrate-nitrogen 200 nm absorption peak. In one embodiment, a device measures the attenuation spectrum of a...

Optical fiber sensor for low dose gamma irradiation monitoring

Jun 10, 2016 | Application, Applications, Displays & Radiometry, Fluorescence, Physics, SpectroRadiometry

AI de Andrés, Ó Esteban, M Embid – Sixth European Workshop on Optical Fibre …, 2016 An optical fiber gamma ray detector is presented in this work. It is based on a Terbium doped Gadolinium Oxysulfide (Gd2O2S:Tb) scintillating powder which cover a chemically...

Formation mechanism of toxic-element-free oxide layer on Ti–6Al–4V alloy in d.c. glow discharge plasma with pure oxygen gas

Jun 10, 2016 | Application, Applications, Optical Emission Spectroscopy, Physics, Thin Film

K Satoh, S Sato, K Wagatsuma – Surface and Coatings Technology, 2016 The purpose of this study is to elucidate the formation mechanism of a toxic-element-free oxide layer on a Ti–6Al–4V alloy by using d.c. glow discharge plasma in pure oxygen atmosphere, which...

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