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A simple system for measuring small phase retardation of an optical thin film
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Acromatic prism retarder for use in polarimetric sensors
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Bringing invisible information into focus
Our Dr.-Ing. Oliver Pust was interviewed among other experts by Andy Extance for the November issue of href="https://www.linkedin.com/company/electro-optics/">Electro Optics magazine. Read his views on #hyperspectral #imaging and specifically #snapshot #HSI. Read More -
Closed loop optimization of quasi-inhomogeneous optical coatings
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Cut above for corona virus testing
Testing for Covid-19 has been a critical part of every country’s response to the pandemic. Back on the 16 March, the World Health Organisation’s head, Tedros Adhanom Ghebreyesus was telling countries ‘test, test, test’; South Korea, in particular, has been praised for its approach to controlling the spread of the virus through extensive testing early on when its outbreak first occurred. Read More -
Delta Optical Thin Film A/S develops PoC filters for Qlife
Delta Optical Thin Film A/S develops PoC filters for Qlife -
Developments in the design and production of error-sensitive smart coatings
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Filtering advances widen spectroscopy options
Thanks to their ability to cover a wide spectral range, continuously variable order sorting filters have come to the fore in spectroscopy. Read More -
Filters for Point of Care applications
Filters for Point of Care applications (BioPhotonics magazine April 2015) -
Gradient-index filters - conversion into a two-index solution by taking into account dispersion
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Gradient-index filters - designing filters with steep skirts, high reflection, and quintic matching layers
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Improving the ion current density distribution from a gridless ion source by optimizing the orientation
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Ion assisted deposotion of oxide-materials
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New tunable filters for supercontinuum fiber lasers
Hodder, R. and O. Pust. New tunable filters for supercontinuum fiber lasers. In: LASER + PHOTONICS 2014. Carl Hanser Verlag, München (2014): 36–38 Read More -
Optical filters for advanced bioinstrumentation
Incorporating optical filtering expertise early in the bioinstrumentation design process has huge payoff potential for development of paradigm-shifting devices. Read More -
Optimizing the phase retardation caused by optical coatings
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Simple but effective: strong efficiency boost for a linear variable filter-based spectrometer
Publication by Ph.d. Aliaksei Kobylinskiy, Matthias Kraus, Xavier Uwurukundo, Hartmut Hillmer and Robert Brunnera. -
Synchronous Filter Grating Spectrometers May 2012
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Synthesis and functioning of SMART coatings for application in compact instruments and sensors
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The gradient index filter - An overview
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The rise of continuously variable filters
In mini-spectrometers, gratings – the wavelength dispersive element – generate wavelengths at higher orders than the primary wavelengths to be detected. These higher order wavelengths are fractions of the primary wavelength, and, if the spectrometer covers less than one octave, are spatially separated by angle. If the ratio of upper to lower wavelength is larger than two, the orders begin to overlap and must be removed or sorted out before they reach the detector. Read More -
Ultraviolet detectors in thin sputtered ZnO films