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Cluster Report Photonics in the Capital Region Berlin-Brandenburg

  • Text
  • Imaging
  • Photonics
  • Berlin
  • Optical
  • Laser
  • Technologies
  • Optics
  • Microsystems
  • Components
  • Brandenburg

5.1 Optical Technologies

5.1 Optical Technologies An industry between tradition and modernity Gerrit Rössler, Kai Kolwitz Optical technologies have a long tradition in the capital region. Over 200 years ago, Johann Duncker laid the foundation for optical technologies in Berlin and Brandenburg with his patented multi-grinding machine and his optical industrial institution. Even today, the production of optical components such as lenses and technical glasses is a significant industry in the region. Next to Berlin itself, Rathenow in Brandenburg even today remains a leading location for optical products. Ophthalmic optics and microscopy are among the emphases of companies like Fielmann, Optotec Optotechnischer Gerätebau GmbH, MOM Mechanisch- Optische-Metallverarbeitung and Mikroskop Technik Rathenow, just to name a few. Lenses, fibers, phase shifters – Berlin-Brandenburg delivers optics A Berlin-based company, which is also steeped in this tradition is the Berliner Glas KGaA Herbert Kubatz GmbH & Co. For almost 60 years, Berliner Glas developed and produced optical components, modules and systems in Berlin. With almost 1,000 employees, over half of them at its headquarters in Berlin, the company ranks among the world's leading producers of optical systems. The know-how ranges from coating design to development of complex systems. The product portfolio includes, among others, lenses, plane optics, optical coatings, filters, mirrors, holographic gratings, lenses, measurement systems, cameras, lasers and light sources. The systems are mainly used in industry, focusing on the semiconductor industry, space technology, laser technology, metrology, geodesy and analytics, defense, and the display industry. But also in everyday life, one will find some of the products of Berlin Glass. For example, in dental medicine: A measurement camera system allows the dentist to scan a tooth to be treated in three dimensions. A CNC machine mills an inlay based on these data, which can be used even shortly thereafter. Cylindrical lenses of 2-850 mm for pressure-, film- and laser industries © Berliner Glas KGaA, Herbert Kubatz GmbH und Co. Crystal GmbH in Berlin also has optical components in their product portfolio. In addition to plane windows and panels, scanner mirrors and prisms, Crystal also offers laser components and substrates or wafers based on oxidic, fluoridic and semiconductor crystals. To take advantage of the great environment for optical technologies, the Swiss Fisba Optik AG founded a subsidiary in Berlin. This leading provider of optical components and systems founded Fisba Photonics GmbH in 2011. The Berlin-based development team has specialized in innovative laser beam shaping optics and control electronics. Holoeye Photonics AG deals with diffractive optics as well as light modulators and micro-display technology. The technology is used, for example, in head-mounted or head-up displays. Their applications can be found in the automotive industry, aerospace or medical technology, where the displays can provide surgeons to perform complicated operations with additional information. Also, holographic projection systems are possible. Diffractive optical elements made of plastic © Holoeye Photonics AG Fine correction in ion beam process © Berliner Glas KGaA, Herbert Kubatz GmbH und Co. The diversity in terms of optical components, systems and materials is underpinned with a rich scientific environment. 36

5.1 Optical Technologies One should also mention the working group Photonics, Laser and Plasma Technologies at the Technical University of Wildau. It researches both in materials synthesis and the production and characterization of optoelectronic components and assemblies. Jointly with the IHP – Leibniz-Institute for Innovative Microelectronics in Frankfurt (Oder), the TH Wildau also maintains a joint research and training center. Their focus is on the development of novel concepts for silicon-based devices as well as technologies for high-speed electronics and photonics. New materials for optics Another research-based theme is the search for novel materials with optical properties that can be utilized in sensors or for new types of light generation and transmission. Berlin-Brandenburg is also well positioned in this area. The Institute for Nanometer Optics and Technology of the Helmholtz-Centre Berlin is one of the few places worldwide where the prerequisite expertise exists to produce photonic crystal resonators in the visible wavelength range. In addition to conducting research on single-photon sources, lasers, sensors, easy-to produce holograms and plasmonic waveguides – light-conducting metallic nanostructures. Similarly oriented is the Institute of Thin Film Technology and Microsensors e.V. (IDM) in Teltow. The non-profit research institution develops polymers and composites which can be optically structured. In addition, they work on chemical synthesis of optical and sensory functional materials, the development of structuring, processing and replicating technologies as well as the development of complete optical and sensory functional elements. Also in the field of optical materials, the research community is embedded in a set of strongly research and development-oriented companies with similar activities. An example is PlasmaChem, a company with a main focus on nano-materials, plasma and ultra-thin film technology. In addition to medical implants and a wide range of nano-materials, they currently research so-called LED converters which, through quantum-dot induced luminescence, make LED light of any wavelength possible. PlasmaChem recently developed a synthesis of very long-term stable quantum dots and the associated conversion matrix. micro resist technology, headquartered in Berlin, develops, manufactures and sells materials for microelectronic components, semiconductor devices and MEMS products. The product portfolio also contains photopolymers and photoresists. The range of optical technologies in the capital region is augmented by numerous service providers in the optics area. Dr. Türck Ingenieurbüro für Optikentwicklung und Software advises on and supports solutions for problems in the fields of optics, optoelectronics and semiconductor technology. The focus is on simulation and calculation of optical systems with appropriate software. Optikexpertisen Volker Raab, however, is specialized in semiconductor laser systems and specialty optics. Typical developments include, among others, improvements in fiber couplers, beam shaping, achromatic or astigmatic optics, and spectroscopy. Light microscopy image of a holographic lens, embedded in an azobenzene-containing material © Fraunhofer IAP Polymeric functional materials with optical properties and derived functional elements are a topic at the Fraunhofer-Institute for Applied Polymer Research (IAP) in Potsdam-Golm. The development of polymeric materials and polymer-based optical functional elements is a research and development focus of the institute. Examples are, among others, fully patternable optical and holographic materials for optical components, liquid crystals and photo-oriented polymers for the production of anisotropic functional layers for display technologies, retarders, polarizers or anisotropic emitter layers. Other emphases of the IAP are semiconducting and electroluminescent polymers and nano-composites for organic light-emitting diodes (OLEDs), organic field effect transistors (OFETs) and organic photovoltaics. Fluorescent materials for spectral light conversion and organic lasers as well as chromogenic materials for “smart windows” and display applications are also in development. In terms of optical technologies, Berlin-Brandenburg was one of the earliest industrial centers. The importance of optics in and for the region has not changed since. Optical materials, components and systems made in Berlin-Brandenburg often form the basis for complex value-added processes in the capital region. Other technological areas in which they can be used present a similar variety and illustrate why optical technologies are a flagship in Berlin and Brandenburg. These include, in particular, laser technology (section 5.1.1), lighting technology (section 5.1.2), optical metrology and sensors (section 5.1.3), optical technologies for biomedical and pharmaceutical industry (section 5.1.4), and optical communication technology (section 5.1.5) 37

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