Russian researchers have developed a small, smart and tolerant to vibrations spectrometer, which is equally reliable in the outer space and in oceanic depths. The development was performed with financial support from the Russian Foundation for Basic Research (RFBR) and the Foundation for Assistance to Small Innovative Enterprises (FASIE). The unique device is based on a completely new principle: the light goes through an acoustooptical filter in the device.
Specialists of the Scientific & Technical Center for Unique Instrument-Making produce unique devices with enviable regularity. The new spectrometer developed with support the RFBR and FASIE by a group under the direction of Vladislav Pustovoit, academy member, is also unique. Such spectrometer would not have to spend precious seconds to switch over from, for example, one wave-length to another – this is inevitable evil of similar classical devices for measuring light intensity at different wave-lengths. The device is tolerant to shaking and takes up little space, therefore it can be taken on board the spaceship, let alone a small search aircraft. The device can be even carried in a pocket.
Such a device due to its compactness and high sensitivity can be applied in multiple areas: from industrial processes control through biomedical applications. For example, the device may be useful for ecologists. It allows to determine instantly what unscrupulous enterprises contaminate water and air with. The device can do that in complicated conditions – at a distance, upon quick reciprocal movement of the carrier and the object. Thus, flying over the sea, the pollution source may be quickly found by reflected light. The device would help to find the pipe from which poisonous drainage gets to the sea and to determine what contaminating agents are pored into the sea from that pipe. This can be done without water sampling and other routine analysis.
Sergey Komarov | alfa
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09.12.2016 | Julius-Maximilians-Universität Würzburg
Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.
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In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
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