@article{MorawetzAshokanBalaetal.2020, author = {Morawetz, Klaus and Ashokan, Vinod and Bala, Renu and Pathak, Kare}, title = {Exact ground-state properties of the one-dimensional electron gas at high density}, series = {Physical Review B 101}, journal = {Physical Review B 101}, doi = {10.1103/PhysRevB.101.075130}, pages = {075130-1 -- 075130-9}, year = {2020}, language = {en} } @article{VerpoortBittnerWittrock2020, author = {Verpoort, Sven and Bittner, Matthias and Wittrock, Ulrich}, title = {Fast focus-shifter based on a unimorph deformable mirror}, series = {Applied Optics}, volume = {59}, journal = {Applied Optics}, number = {23}, organization = {Optical Society of America}, issn = {1559-128X}, doi = {10.1364/AO.397495}, pages = {6959 -- 6965}, year = {2020}, abstract = {On-the-fly remote laser processing plays an increasingly important role in modern fabrication techniques. These processes require guiding of the focus of a laser beam along the contours of the workpiece in three dimensions. State-of-the-art galvanometer scanners already provide highly dynamic and precise transverse x-y beam steering. However, longitudinal focus shifting ("z-shifting") relying on conventional optics is restricted to a bandwidth of a few hundred Hz. We have developed and manufactured a fast piezo-based z-shifting mirror with diffraction-limited surface fidelity providing a focus shift of 1z> 60 mm with an actuation rate of 2 kHz.}, language = {en} } @article{KazasidisVerpoortWittrock2020, author = {Kazasidis, Orestis and Verpoort, Sven and Wittrock, Ulrich}, title = {Sensor for dynamic focus control of a deformable mirror}, series = {Appl. Opt.}, journal = {Appl. Opt.}, number = {59}, doi = {10.1364/AO.392970}, pages = {5625 -- 5630}, year = {2020}, abstract = {We recently presented a novel unimorph deformable mirror which allows for dynamic focus shift with an actuation rate of 2 kHz. Such mirrors suffer from hysteresis and creep. Therefore, they have to be operated in closed-loop. For this purpose, we developed a defocus sensor based on an astigmatic detection system. In this paper, we present the sensor design and discuss its performance.}, language = {en} } @article{PavlovGurbatovKudryashovetal.2020, author = {Pavlov, DV and Gurbatov, SO and Kudryashov, SI and Gurevich, EL and Kuchmizhak, AA}, title = {Laser-induced surface relief nanocrowns as a manifestation of nanoscale Rayleigh-Plateau hydrodynamic instability}, series = {Applied Surface Science}, volume = {511/2020}, journal = {Applied Surface Science}, doi = {10.1016/j.apsusc.2020.145463}, pages = {145463 -- 145463}, year = {2020}, abstract = {Nanoscale hydrodynamic instability of ring-like molten rims around ablative microholes produced in nanometer-thick silver and gold films by tightly focused nanosecond (ns) laser pulses was experimentally explored in terms of laser pulse energy and film thickness. These parametric dependencies of basic instability characteristics - order and period of the resulting nanocrowns - were analyzed, revealing its apparently Rayleigh-Plateau character, as compared to much less consistent possible van der Waals and impact origins. Along with fundamental importance, these findings will put forward ns pulsed laser ablation as an alternative facile inexpensive table-top approach to study such hydrodynamic instabilities developing at ns temporal and nanometer spatial scales as well as to produce unique plasmon-active hierarchical surface morphologies applicable for chemo- and biosensing.}, language = {en} } @inproceedings{SurkampZylaGurevichetal.2020, author = {Surkamp, N and Zyla, G and Gurevich, EL and Esen, C and Klehr, A and Knigge, A and Ostendorf, A and Hofmann, MR}, title = {Mode-locked diode lasers as sources for two-photon polymerization}, series = {3D Printed Optics and Additive Photonic Manufacturing II}, booktitle = {3D Printed Optics and Additive Photonic Manufacturing II}, publisher = {International Society for Optics and Photonics}, address = {USA}, doi = {10.1117/12.2555890}, pages = {113490G -- 113490G}, year = {2020}, abstract = {In this study, we use a hybrid mode-locked external cavity diode laser with subsequent amplification and pulse compression. The system provides laser pulses of 440 fs width (assuming a sech² pulse shape) and 160 mW average output power at a repetition rate of 383.1 MHz. The laser oscillator consists of a double quantum well laser diode with a gain segment of 1080 μm length and an absorber element of 80 μm lengths. The chip's back facet is covered with a high reflective coating, the front facet with an anti-reflective coating. The resonator itself is operated in a collimated geometry and folded by two dielectric mirrors. The used output coupler provides a transmission of 20 percent, which is coupled into a tapered amplifier. Two Faraday isolators are used to decouple the laser and the amplifier from any back reflections. Subsequently, the pulses are compressed using a single pass Martinez type pulse compressor …}, language = {en} } @inproceedings{WangGurevichOstendorf2020, author = {Wang, Hao and Gurevich, Evgeny L and Ostendorf, Andreas}, title = {Microhardness and microabrasion behaviour of NiTi shape memory alloy after femtosecond laser shock peening without coating in air}, series = {High-Power Laser Materials Processing: Applications, Diagnostics, and Systems IX}, booktitle = {High-Power Laser Materials Processing: Applications, Diagnostics, and Systems IX}, publisher = {International Society for Optics and Photonics}, address = {USA}, doi = {10.1117/12.2543550}, pages = {1127301 -- 1127301}, year = {2020}, abstract = {The experiment study presents the influence of femtosecond laser shock peening (FsLSP) without a protective layer in the air on the surface hardness and surface mechanical property of NiTi shape memory alloy. Femtosecond laser shock peening is a new possibility of direct laser ablation without any protective layer under atmospheric conditions, which can produce intense shock waves with low pulse energy in the air. The average surface roughness values of the NiTi alloy samples were measured, because the surface roughness may affect its friction resistance. The results showed that the surface roughness of NiTi increased after femtosecond laser shock peening treatment. In comparison with the initial state, the coefficient of friction decreased and surface microhardness increased after femtosecond laser shock peening treatment with different FsLSP parameters. This improvement of wear properties may be attributed to the enhancement of surface microhardness and surface titanium oxide layer induced by the shock wave and laser ablation during FsLSP treatment.}, language = {en} } @article{WangJuergensenDeckeretal.2020, author = {Wang, Hao and J{\"u}rgensen, Jens and Decker, Peer and Hu, Zhiyong and Yan, Kai and Gurevich, Evgeny L and Ostendorf, Andreas}, title = {Corrosion behavior of NiTi alloy subjected to femtosecond laser shock peening without protective coating in air environment}, series = {Applied Surface Science}, volume = {501/2020}, journal = {Applied Surface Science}, doi = {10.1016/j.apsusc.2019.144338}, pages = {144338 -- 144338}, year = {2020}, abstract = {Laser shock peening with femtosecond laser was used to improve the corrosion resistance of biomedical NiTi alloy without protective coating in the air environment. The energy dispersive X-ray analysis (EDX) and X-ray diffraction (XRD) based analysis showed that the laser ablation could produce titanium oxide layer and femtosecond laser shock peening (FsLSP) can generate residual stress in the surface layer of NiTi alloy. The FsLSP improved the corrosion resistance of NiTi in 3.5\% NaCl solution and Hank's solution and also prevented the formation of corrosion cracks and pits during corrosion testing. The reasons for the improvement of corrosion behavior may be the generation of residual stress and titanium oxide film during the laser surface treatment.}, language = {en} } @article{SurkampZylaGurevichetal.2020, author = {Surkamp, N and Zyla, G and Gurevich, Evgeny L and Klehr, A and Knigge, A and Ostendorf, Andreas and Hofmann, MR}, title = {Mode-locked diode laser-based two-photon polymerisation}, series = {Electronics Letters}, volume = {56/2020}, journal = {Electronics Letters}, number = {2}, issn = {0013-5194}, doi = {10.1049/el.2019.2385}, pages = {91 -- 93}, year = {2020}, abstract = {In this Letter, the authors present the construction of three-dimensional microstructures by two-photon polymerisation induced by ultrashort pulses of a mode-locked diode laser. The ultrafast light source is based on a diode laser with segmented metallisation to realise a waveguide integrated saturable absorber. It is subsequently amplified and compressed resulting in ultrashort laser pulses of 440 fs length and average output power of 160 mW at a fundamental repetition rate of 383.1 MHz. These pulses are coupled into a customised two-photon polymerisation setup. A series of suspended lines were fabricated between support cuboids for testing the process behaviour. A 3D structure with complex features was polymerised to demonstrate the high potential for mode-locked diode lasers in the field of direct laser writing.}, language = {en} } @article{MaragkakiSkaradzinskiNettetal.2020, author = {Maragkaki, Stella and Skaradzinski, Christian A and Nett, Ralf and Gurevich, Evgeny L}, title = {Influence of defects on structural colours generated by laser-induced ripples}, series = {Scientific Reports}, volume = {10}, journal = {Scientific Reports}, number = {1}, doi = {10.1038/s41598-019-56638-x}, pages = {53 -- 53}, year = {2020}, abstract = {The colourisation of metallic surface which appears due to periodic surface patterns induced by ultrashort laser pulses is studied. Ripples due to the sub-micrometer size of their period act as a diffraction grating, generating structural colours. Carefully chosen strategy of the laser spot scanning allows us to mimic the nanostructures responsible for structural colours of some flowers on the metal substrate. We investigate the correlation between the colourising effects and the artificially-induced defects in the ripples structure and show that these defects can make the colours observable in a larger range of viewing angles. Further we address the influence of the processing parameters on the spectral profile of the reflected light.}, language = {en} } @article{WangGurevichOstendorf2020, author = {Wang, Hao and Gurevich, Evgeny L and Ostendorf, Andreas}, title = {Femtosecond laser shock peening on the surface of NiTi shape memory alloy}, series = {Procedia CIRP}, volume = {94/2020}, journal = {Procedia CIRP}, doi = {10.1016/j.procir.2020.09.071}, pages = {910 -- 913}, year = {2020}, abstract = {Laser shock peening with a femtosecond laser system was presented in this research work. The NiTi shape memory alloy was processed by the femtosecond laser shock peening (FsLSP) treatment without a protective layer in the air. Femtosecond laser shock peening is a new surface technology, which can induce an intense shock wave with low single laser pulse energy under atmospheric conditions. The surface topography, roughness, microhardness, and wear resistance were measured on the surface of NiTi alloy before and after femtosecond laser peening treatment. The results showed that the surface roughness and microhardness could be increased after femtosecond laser shock peening, which may be due to the laser ablation and micro-plastic deformation induced by the shock wave. The wear property of NiTi alloy was improved, which may be attributed to the FsLSPed surface texturing and …}, language = {en} } @article{SyubaevGurbatovModinetal.2020, author = {Syubaev, Sergey and Gurbatov, Stanislav and Modin, Evgeny and Linklater, Denver P and Juodkazis, Saulius and Gurevich, Evgeny L and Kuchmizhak, Aleksandr}, title = {Laser Printing of Plasmonic Nanosponges}, series = {Nanomaterials}, volume = {10}, journal = {Nanomaterials}, number = {12}, publisher = {Multidisciplinary Digital Publishing Institute}, pages = {2427 -- 2427}, year = {2020}, abstract = {Three-dimensional porous nanostructures made of noble metals represent novel class of nanomaterials promising for nonlinear nanooptics and sensors. Such nanostructures are typically fabricated using either reproducible yet time-consuming and costly multi-step lithography protocols or less reproducible chemical synthesis that involve liquid processing with toxic compounds. Here, we combined scalable nanosecond-laser ablation with advanced engineering of the chemical composition of thin substrate-supported Au films to produce nanobumps containing multiple nanopores inside. Most of the nanopores hidden beneath the nanobump surface can be further uncapped using gentle etching of the nanobumps by an Ar-ion beam to form functional 3D plasmonic nanosponges. The nanopores 10-150 nm in diameter were found to appear via laser-induced explosive evaporation/boiling and coalescence of the randomly arranged nucleation sites formed by nitrogen-rich areas of the Au films. Density of the nanopores can be controlled by the amount of the nitrogen in the Au films regulated in the process of their magnetron sputtering assisted with nitrogen-containing discharge gas.}, language = {en} } @article{WangKellerBaietal.2020, author = {Wang, Hao and Keller, S{\"o}ren and Bai, Yongtao and Kashaev, Nikolai and Gurevich, Evgeny L and Ostendorf, Andreas}, title = {Laser shock peening on high-strength steel}, series = {SPIE.Digital Library}, volume = {Volume 11546}, journal = {SPIE.Digital Library}, number = {Proceedings Volume 11546}, doi = {10.1117/12.2574988}, pages = {115460L -- 115460L}, year = {2020}, abstract = {High strength steel has been used in the aviation industry and automotive body structural applications to reduce its mass through a reduction in thickness. Therefore, it is very important to enhance its mechanical property, such as microhardness. In the present research, the high strength steel samples were treated by laser shock peening (LSP) with different laser pulse energy and laser pulse width. The microhardness and residual stress were measured to compare the difference between laser energy of 3 J with 10 ns and 5 J with 20 ns. The results in the study show that the surface LSP treatment can increase the microhardness and the compressive residual stress can be found when the samples were tested by hole drilling testing.}, language = {en} } @article{ElangoHoppiusKukrejaetal.2020, author = {Elango, Kishore and Hoppius, Jan S and Kukreja, Lalit M and Ostendorf, Andreas and Gurevich, Evgeny L}, title = {Studies on ultra-short pulsed laser shock peening of stainless-steel in different confinement media}, series = {Surface and Coatings Technology}, volume = {397}, journal = {Surface and Coatings Technology}, doi = {10.1016/j.surfcoat.2020.125988}, pages = {125988 -- 125988}, year = {2020}, abstract = {We investigate the role of liquid confinement media on ultra-short pulsed Laser Shock Peening (LSP). The LSP of stainless-steel 316 and 316 L was studied using Ti: Sapphire laser pulses of about 2 ps duration, maximum energy of about 1 mJ and pulse repetition rate of 5 kHz in different liquid confinement media of Ethanol, Deionized water and separate aqueous solutions of NaCl and Glycerol. It is found that the laser fluence and/or energy attenuating mechanisms like self-focusing, filamentation, plasma breakdown in the confinement media are less significant with ps laser pulses than those with sub-ps or fs pulse durations. It is shown that the resulting surface hardness of the peened steel as a function of laser fluence depends significantly on the confinement media and the relative increase in the hardness increases monotonically with the acoustic impedance of the liquid of the confinement medium used during …}, language = {en} } @article{GurevichLevyBulgakova2020, author = {Gurevich, Evgeny L and Levy, Yoann and Bulgakova, Nadezhda M}, title = {Three-Step Description of Single-Pulse Formation of Laser-Induced Periodic Surface Structures on Metals}, series = {Nanomaterials}, volume = {10}, journal = {Nanomaterials}, number = {9}, doi = {10.3390/nano10091836}, pages = {1836 -- 1836}, year = {2020}, abstract = {Two different scenarios are usually invoked in the formation of femtosecond Laser-Induced Periodic Surface Structures (LIPSS), either "self-organization" mechanisms or a purely "plasmonic" approach. In this paper, a three-step model of formation of single-laser-shot LIPSS is summarized. It is based on the periodic perturbation of the electronic temperature followed by an amplification, for given spatial periods, of the modulation in the lattice temperature and a final possible relocation by hydrodynamic instabilities. An analytical theory of the evolution of the temperature inhomogeneities is reported and supported by numerical calculations on the examples of three different metals: Al, Au, and Mo. The criteria of the possibility of hydrodynamic instabilities are also discussed.}, language = {en} } @article{ZylaKovalevGurevichetal.2020, author = {Zyla, Gordon and Kovalev, Alexander and Gurevich, Evgeny L and Esen, Cemal and Liu, Ying and Lu, Yongfeng and Gorb, Stanislav and Ostendorf, Andreas}, title = {Structural colors with angle-insensitive optical properties generated by Morpho-inspired 2PP structures}, series = {Applied Physics A}, volume = {126}, journal = {Applied Physics A}, number = {9}, doi = {10.1007/s00339-020-03931-6}, pages = {740 -- 740}, year = {2020}, abstract = {This paper describes how two-photon polymerization was used to generate biomimetic nanostructures with angle-insensitive coloration inspired by the blue butterflies of Morpho. Less angle dependence was achieved by engineering the structures with a certain degree of disorder, which delimited them from classical photonic crystals. Variations in the processing parameters enabled the color hue to be controlled. In this context, blue, green, yellow, and brown structures were demonstrated. Reflection spectra of the structures were simulated and studied experimentally in a broad range of incident angles. Additionally, a molding technique was performed as a potential scale-up strategy. The application of such biomimetic structures is discussed.}, language = {en} } @article{ZylaSurkampGurevichetal.2020, author = {Zyla, Gordon and Surkamp, Nils and Gurevich, Evgeny L and Esen, Cemal and Klehr, Andreas and Knigge, Andrea and Hofmann, Matin R and Ostendorf, Andreas}, title = {Two-photon polymerization with diode lasers emitting ultrashort pulses with high repetition rate}, series = {Optics Letters}, volume = {45}, journal = {Optics Letters}, number = {17}, doi = {10.1364/OL.401738}, pages = {4827 -- 4830}, year = {2020}, abstract = {In this Letter, we investigate the resolution of two-photon polymerization (2PP) with an amplified mode-locked external cavity diode laser with adjustable pulse length and a high repetition rate. The experimental results are analyzed with a newly developed 2PP model. Even with low pulse peak intensity, the produced structural dimensions are comparable to those generated by traditional 2PP laser sources. Thus, we show that a compact monolithic picosecond laser diode without amplification and with a repetition rate in the GHz regime can also be applied for 2PP. These results show the high application potential of compact mode-locked diode lasers for low-cost and compact 2PP systems.}, language = {en} } @article{WangKalchevWangetal.2020, author = {Wang, Hao and Kalchev, Yordan and Wang, Hongcai and Yan, Kai and Gurevich, Evgeny L and Ostendorf, Andreas}, title = {Surface modification of NiTi alloy by ultrashort pulsed laser shock peening}, series = {Surface and Coatings Technology}, volume = {394}, journal = {Surface and Coatings Technology}, doi = {10.1016/j.surfcoat.2020.125899}, pages = {125899 -- 125899}, year = {2020}, abstract = {This research paper presents the attempt at ultrashort pulsed laser shock peening with absence of absorptive layer and confining medium which could enhance surface microhardness and the abrasion property of NiTi shape memory alloy. The average roughness values of NiTi specimen were measured on the surface, because the roughness would affect the friction resistance. The microhardness and Young's modulus were investigated at different position of single laser spot by nanoindentation technique. The pin-on-plate sliding abrasion testing were performed with different load-force (0.5 N and 2 N) for different testing time. Results showed that ultrashort pulsed laser shock peening treatment would cause a significant improvement on friction coefficient and abrasion property, which was attributed to the change of surface modification, such as roughness, microhardness, microstructure and titanium oxide layer …}, language = {en} } @article{SyubaevMitsaiPorfirevetal.2020, author = {Syubaev, S. and Mitsai, E. and Porfirev, A. and Khonina, S. and Kudryashov, S. and Katkus, T. and Juodkazis, S. and Gurevich, E. L. and Kuchmizhak, A.}, title = {Silicon microprotrusions with tailored chirality enabled by direct femtosecond laser ablation}, series = {Optics Letters}, volume = {45}, journal = {Optics Letters}, number = {11}, doi = {10.1364/OL.393979}, pages = {3050 -- 3053}, year = {2020}, abstract = {Here, we report on formation of nanoprotrusions on the surface of a bulk crystalline silicon wafer under femtosecond-laser ablation with a donut-shaped laser beam. By breaking circular symmetry of the irradiating donut-shaped fs-pulse beam, a switch in geometry of the formed surface nanoprotrusions from regular to chiral was demonstrated. The chirality of the obtained Si nanostructures was promoted with an asymmetry degree of the laser beam. An uneven helical flow of laser-melted Si caused by asymmetry of the initial intensity and temperature pattern on the laser-irradiated Si surface explains this phenomenon. Chirality of the formed protrusions was confirmed by visualizing cross-sectional cuts produced by focused ion beam milling as well as Raman activity of these structures probed by circularly polarized light with opposite handedness. Our results open a pathway towards easy-to-implement inexpensive …}, language = {en} } @article{TrinschekStegemertenJohnetal.2020, author = {Trinschek, Sarah and Stegemerten, Fenna and John, Karin and Thiele, Uwe}, title = {Thin-film modeling of resting and moving active droplets}, series = {Physical Review E}, volume = {101}, journal = {Physical Review E}, number = {6}, doi = {10.1103/PhysRevE.101.062802}, pages = {062802}, year = {2020}, language = {fr} } @article{IbenthalKehmannBackhaus2020, author = {Ibenthal, E. and Kehmann, M. and Backhaus, C.}, title = {Feasibility of a Music System Intervention to Affect Mental Stress and Strain of Employees in Inpatient Dementia Care}, series = {Annals of Work Exposures and Health}, volume = {65}, journal = {Annals of Work Exposures and Health}, doi = {10.1093/annweh/wxaa120}, pages = {591 - 604}, year = {2020}, language = {en} } @incollection{BackhausBenadLauetal.2020, author = {Backhaus, C. and Benad, N. and Lau, H.-J. and Pleiss, T.}, title = {Verordnung (EU) Nr. 2017/745 {\"u}ber Medizinprodukte - Eine Einf{\"u}hrung}, series = {Capanni F., Emmend{\"o}rffer A., Steffen A., Stockhardt J. (Hrsg.) Medizinprodukte planen, entwickeln, realisieren}, booktitle = {Capanni F., Emmend{\"o}rffer A., Steffen A., Stockhardt J. (Hrsg.) Medizinprodukte planen, entwickeln, realisieren}, publisher = {T{\"U}V Media}, address = {K{\"o}ln}, isbn = {978-3-7406-0544-5}, year = {2020}, language = {de} } @article{IbenthalMuellerBackhaus2020, author = {Ibenthal, E. and M{\"u}ller, L. and Backhaus, C.}, title = {Gebrauchstauglichkeit und Akzeptanz mobiler Personenlifter}, series = {mt-Medizintechnik}, volume = {140}, journal = {mt-Medizintechnik}, issn = {0344-9416}, pages = {17 -- 20}, year = {2020}, language = {de} } @article{BackhausPawelzik2020, author = {Backhaus, C. and Pawelzik, L.}, title = {Human Factors in der Kardiotechnik}, series = {Kardiotechnik}, volume = {29}, journal = {Kardiotechnik}, issn = {0941-2670}, pages = {2}, year = {2020}, language = {de} } @article{MuellerBackhaus2020, author = {M{\"u}ller, L. and Backhaus, C.}, title = {"Gut bedienbar? Ja, klar, das sehe ich sofort!"}, series = {mt-Medizintechnik}, volume = {140}, journal = {mt-Medizintechnik}, issn = {0344-9416}, pages = {2}, year = {2020}, language = {de} } @inproceedings{IbenthalSobkowiczBackhaus2020, author = {Ibenthal, E. and Sobkowicz, S. and Backhaus, C}, title = {Investigation of Clamping and Crushing Injuries with Electrically Height-Adjustable Therapy Beds}, series = {Contribution to the 22th International Human Computer Interaction Conference}, booktitle = {Contribution to the 22th International Human Computer Interaction Conference}, doi = {10.1007/978-3-030-49904-4_10}, pages = {132 -- 144}, year = {2020}, language = {en} } @article{BackhausHomannJaeger2020, author = {Backhaus, C. and Homann, H. and J{\"a}ger, M.}, title = {Entwicklung und Evaluation eines Hilfsmittels zum manuellen Umsetzen mobilit{\"a}tseingeschr{\"a}nkter Personen in Verkehrsflugzeugen}, series = {Zentralbl. Arbeitsmed}, volume = {70}, journal = {Zentralbl. Arbeitsmed}, doi = {10.1007/s40664-020-00390-x}, pages = {164 -- 171}, year = {2020}, language = {de} } @inproceedings{IbenthalKehmannBackhaus2020, author = {Ibenthal, E. and Kehmann, M. and Backhaus, C.}, title = {K{\"o}nnen Musikassistenzsysteme psychische Fehlbeanspruchungen in der Demenzpflege verringern? Beitrag zum 66. Kongress der Gesellschaft f{\"u}r Arbeitswissenschaft}, series = {Beitrag zum 66. Kongress der Gesellschaft f{\"u}r Arbeitswissenschaft}, booktitle = {Beitrag zum 66. Kongress der Gesellschaft f{\"u}r Arbeitswissenschaft}, publisher = {GfA-Press}, address = {Dortmund}, isbn = {978-3-936804-27-0}, year = {2020}, language = {de} } @article{SiebersSannwaldtBackhaus2020, author = {Siebers, S. and Sannwaldt, F. and Backhaus, C.}, title = {Vergleich grundlegender Aufgaben in VR und echtem Szenario}, series = {Beitrag zum 66. Kongress der Gesellschaft f{\"u}r Arbeitswissenschaft}, journal = {Beitrag zum 66. Kongress der Gesellschaft f{\"u}r Arbeitswissenschaft}, publisher = {GfA-Press}, address = {Dortmund}, isbn = {978-3-936804-27-0}, pages = {B.1.5}, year = {2020}, language = {de} } @article{BackhausHomannJaeger2020, author = {Backhaus, C. and Homann, H. and J{\"a}ger, M.}, title = {Unterst{\"u}tzung mobilit{\"a}tseingeschr{\"a}nkter Personen in Verkehrsflugzeugen - Evaluation eines Hilfsmittels zum manuellen Umsetzen von Sitz zu Sitz}, series = {Beitrag zum 66. Kongress der Gesellschaft f{\"u}r Arbeitswissenschaft}, journal = {Beitrag zum 66. Kongress der Gesellschaft f{\"u}r Arbeitswissenschaft}, publisher = {GfA-Press}, address = {Dortmund}, isbn = {978-3-936804-27-0}, pages = {A.14.2}, year = {2020}, language = {de} } @article{MuellerBackhaus2020, author = {M{\"u}ller, L. and Backhaus, C.}, title = {Fehlk{\"a}ufe verhindern - strukturierte Einbindung der Anwender in Kaufentscheidungen}, series = {mt-Medizintechnik}, volume = {140}, journal = {mt-Medizintechnik}, issn = {0344-9416}, pages = {20 -- 24}, year = {2020}, language = {de} } @book{BackhausBenadLauetal.2020, author = {Backhaus, C. and Benad, N. and Lau, H.-J. and Pleiss, T.}, title = {MDR \& Co. Eine Vorschriftensammlung zum europ{\"a}ischen Medizinprodukterecht}, publisher = {T{\"U}V Media}, address = {K{\"o}ln}, isbn = {978-3-7406-0529-2}, publisher = {FH M{\"u}nster - University of Applied Sciences}, year = {2020}, language = {de} } @article{IbenthalSobkowiczBackhaus2020, author = {Ibenthal, E. and Sobkowicz, S. and Backhaus, C.}, title = {Vorkommnisse bei Therapieliegen}, series = {mt-Medizintechnik}, volume = {140}, journal = {mt-Medizintechnik}, issn = {0344-9416}, pages = {20 -- 27}, year = {2020}, language = {de} }