vor 5 Jahren

Optical Analytics in the Capital Region Berlin-Brandenburg

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54 Thin

54 Thin Film Analysis Nanotribology and Nanostructuring of Surfaces BAM Division “Nanotribology and Nanostructuring of Surfaces”, focuses on the development and application of analytical techniques for tribology, mechanical, electrical and optical properties on the sub-micron scale. One topic of research has to do with the structure-property relationships of complex polymer systems. The investigation of a variety of failure and damage mechanisms in composites, inner and outer surfaces and interfaces of polymeric solids to organic, inorganic and metallic solids is another focus of the division. 5 Optical Coatings Berliner Glas provides coatings on a wide variety of substrates and for wavelengths between DUV up to near-infrared. Years of experience with various types of thin film coatings allow the development team to find the best possible solutions, from coating design to series production. Customer specified thin film coating development and production includes: • Anti-reflection coatings (V-Coat and broadband) • Polarizing and unpolarizing beam splitters • Narrow-band filters and band-pass filters • Laser coatings (HR; AR) with a high damage threshold • Transparent and electrically conductive coatings • Chrome and black chrome coatings • Wear-protection, bondable and solderable coatings The Coating Laboratory of the Institute for Optics and Atomic Physics at TU Berlin has a long tradition of working with optical fibers, glasses, crystals, wafers and other substrates. Oxides, metals and polymers are applied by ion-assisted electron beam evaporation, thermal evaporation, magnetron sputtering or dip coating. Tailored layer systems are used as laser mirrors, narrow-band Fabry-Perot filters or for the anti-reflection treatment of interfaces. A special focus is coating and preparation of fiber-optic end-facings as well as heat-sensitive plastics. The coating laboratory is highly adaptable and is an excellent R&D partner for prototypes and small batch production. 6 Thin-Film Technologies for Photovoltaics At the PVcomB Competence Center Thin-Film- and Nanotechnology for Photovoltaics Berlin, thin-film photovoltaic technologies and products are being developed in cooperation with industry partners. Technology and knowledge transfer occur via research projects with industrial partners as well as through the training of highly skilled professionals. PVcomB assists industrial partners in initiating production as well as with the continuous development of industrial processes. It facilitates the development of promising high-risk concepts and drives the transfer and upscaling of results from fundamental research conducted by HZB and TU Berlin to a PVcomB standard module size of 30 cm x 30 cm. Industrial partners can use the PVcomB reference lines as benchmarks, e.g. for new or alternative materials, analytical tools and process controls. Working in close collaboration with the Helmholtz Center Berlin for Materials and Energy (HZB), TU Berlin (TUB), the University of Applied Sciences Berlin (HTW) and other partners, PVcomB serves as a means of training qualified engineers and academics. 5 6

Safety Technology 55 5.5 Safety Technology Introduction The demands being made of modern safety technology are significant and constantly changing. On the one hand, they have to reliably detect individual deviations within a large population of standard conditions (e.g. baggage screening). On the other hand, large amounts of data need to be quickly processed and compiled in the event of a disaster. In other instances, easily verifiable and difficult to reproduce security elements need to be developed at the lowest possible cost. Solving these complex problems requires a highly developed research and development infrastructure that can provide highly reliable customized products and services. Berlin and Brandenburg are able to provide the kind of close cooperation between institutions and private enterprise to develop the specific solutions needed at the highest level technical standards. Sensor Technology for Container Inspection The Fumi-Analyzer is a mobile multi-gas/multi-sensor detector developed at IUT Medical for high-sensitivity detection of toxic gases in import containers. It can be used to detect and identify fumigation and other toxic gases within the required concentration range without requiring any on-site absorption. Sensor Technology for Baggage Inspection Fumi-Analyzer for the inspection of import containers © IUT Medical Baggage inspection equipped with sensors of First Sensor © First Sensor AG Light of different wavelengths is used, for example, to monitor hazard areas or screen items of luggage. In this field, First Sensor offers optimized, highly sensitive sensor solutions that are able to detect visible and infrared light as well as X-rays and ionizing radiation (radioactivity), e.g. photodiode arrays for non-destructive X-ray analysis and inspection. These photodiode arrays are optimized for the exclusive detection of X-ray radiation by scintillator luminescence in the blue and green spectral range. Due to the minimal edge spacing of the photodiode elements, the arrays are particularly suitable for a seamless linear arrangement of multiple components with a constant photodiode pitch. Due to the sensor extension, it can measure fumigation gases such as sulfuryl difluoride (SO 2 F 2 ) and formaldehyde (CH 2 O). The Fumi-Analyzer is therefore the first mobile device able to detect and identify all relevant fumigation gases at the required level of sensitivity. The device is composed of an ion mobility spectrometer (IMS), a photo ionization detector (PID) coupled with a gas-chromatographic column (GC column), an infrared (IR) detector and electrochemical cells (EC). Detection of Safety-relevant Gases BAM Division “Surface Modification and Measurement Technique” is developing optical safety technology. They are investigating the use of ellipsometry in combination with surface plasmon resonance on 40 – 50 nm gold layers to produce a sensor system for safety-relevant gases. The method was tested with a variety of gases: flammable gases such as hydrocarbons and hydrogen, oxidizing gases such as oxygen and ozone, toxic gases such as carbon monox- ide, as well as inert gases such as helium and nitrogen. As a result, a special measurement procedure was developed that can quickly

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