Optik & Photonik
Aktuelle Ausgabe - Volume 11 Issue 5 (December 2016)
In 2016, the EU Horizon 2020‐funded research and innovation program Pi‐Scale project started with the ambition to create a world‐leading open access pilot line. It was now producing up to 15 m long OLED‐stripes with an efficiency higher than 30 lm / W and with nearly 100 % yield.
- Alan Willner
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Research & Technology
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Organizations & Initiatives
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Mirphab — Mid‐Infrared Photonics Devices Fabrication for Chemical Sensing and Spectroscopic Applications — is an EC funded project granted with € 13 m in a public‐private partnership with Photonics21, with the goal of creating a commercially viable pilot line for the fabrication of mid‐infrared sensors that is ready for business by 2020. Mirphab has launched its first open call.
- Ana Belén González, Jose Pozo
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Spectroscopy — the study of interaction between electromagnetic radiation and matter — is a continually developing branch of science that facilitates a number of research and industrial applications. As a state‐of‐the‐art technique, spectroscopy offers many experimental possibilities to acquire compositional information of inorganic materials, including core samples, minerals and geological specimens. Laser‐induced...
- Lukas Streubel, Lars Jacobsen, Sven Merk, Michael Thees, Dieter Rammlmair, Jeannet Meima, David Mory
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Trends in Manufacturing
By leveraging the unparalleled pulsed UV‐power of excimer lasers, gossamer‐thin functional foils attached to rigid wafer‐ or panel‐type carriers can be detached with high yield and fast increasing productivity rate, and lowering the costs of manufacturing a new generation of thin and flexible components and devices.
- Ralph Delmdahl
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After several decades of dedicated laser development for astronomical adaptive optics, this is the first time that high output power is combined with an optimized laser format, maximizing the coupling of the laser light to the sodium atoms in the Earth's atmosphere. By re‐emission of the absorbed light, an artificial star is created that is used to measure atmospheric distortions and correct astronomical images faster and...
- Martin Enderlein, Wilhelm G. Kaenders
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Axicon lenses convert incident plane waves into approximations of Bessel beams. The circular profile of an axicon beam brings capabilities that suit the lenses for use in corneal surgery and optical trapping. The unique features of axicon lenses also enable an interesting type of wavefront sensor. Axicons focus light along the optical axis, and the position shifts if aberrations are introduced to the beam. That creates...
- Sara Castillo
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The vignetting field stop procedure uses a deflectometric approach to acquire big optical surfaces (DaOS) and it offers the possibility to measure nearly any shape or form by using a scanning routine. The basic physical measurement principle in DaOS is the vignettation of a quasi‐parallel light beam emitted by an expanded light source in auto‐collimation arrangement with a reflecting element. Thereby, nearly any curvature...
- Engelbert Hofbauer, Rolf Rascher
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In the recent years, we have seen a substantial growth of handheld analytical devices on the markets that use spectroscopy as an enabling technology. Most of these handheld devices are used in the field for fast analyses and are the driver for further miniaturization of spectrometers. Critical care applications in life science call for low cost, miniaturized blood analysis devices in ambulances, or...
- Benno Oderkerk
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Interior rooms, illuminated by daylight are considered ideal in contemporary architecture. Actual results have been less than perfect as of yet. Light gathering optics and quartz glass fibers make it achievable for the first time.
- Carsten Gerth, Holger Bäuerle
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They are the existential questions that we are faced with as humankind: What is the current state of our earth? In what ways has the climate been changing? What do we, as people, do to contribute to this? We need solid data to find the right answers to these questions — and the European Union, the European Space Agency, and the Eumetsat meteorological satellite organization collect these data with their Sentinel satellites...
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The fluorescence excitation spectra of single organic molecules in a solid‐state crystal are measured at cryogenic temperatures. As a tunable laser light source, the optical parametric oscillator C‐WAVE is employed, since it exhibits promising features as a laser light source for spectroscopy applications, like a broad tuning range from 450 to 650 nm, a narrow line‐width 25 GHz. This report presents the experimental setup and measured...
- Tobias Utikal, Korbinian Hens, Niklas Waasem
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“Regress,” says the customer, “why” asks the manufacturer. The first expect spare parts to be readily available, covered under any warranty, or at least cost less than the original part. The others can not provide storage costs and space for most components forever, and want to sell newer models and products. Both claims are justified. Of course, customers also in a fast‐paced society are entitled to a replacement. However,...
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Vision Zero, the vision of accident‐free driving, is one of the long‐term goals of Continental Safety Engineering International, one of the largest engineering centers for vehicle safety in Europe. As part of Continental's Chassis and Safety Division, it focuses on technologies for vehicle safety and driving dynamics. Equipped with high‐end technology and an experienced team, the company has operated since 1992 a proofing...
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