@inproceedings{HuehnleinTschirpkeHellmann2010, author = {H{\"u}hnlein, Kristof and Tschirpke, Katrin and Hellmann, Ralf}, title = {Optimisation of laser cutting using design of experiment - A comparative study of cutting thin ceramic layers using a fibre laser and a CO2 laser}, series = {Physics procedia}, volume = {5}, booktitle = {Physics procedia}, number = {Part B}, issn = {1875-3892}, pages = {243 -- 252}, year = {2010}, subject = {Laserschneiden}, language = {en} } @article{RischHuehnleinKnoelletal.2010, author = {Risch, Anna and H{\"u}hnlein, Kristof and Kn{\"o}ll, J{\"u}rgen and Hellmann, Ralf}, title = {Picosecond and nanosecond pulsed laserscribing on transparent conductive indium tin oxide}, series = {Journal of Material processing technolgies}, journal = {Journal of Material processing technolgies}, issn = {0924-0136}, year = {2010}, subject = {Laserbearbeitung}, language = {en} } @article{BochtlerHellmannKaloudis2010, author = {Bochtler, Ulrich and Hellmann, Ralf and Kaloudis, Michael}, title = {Neuartige UV-Lichtquelle auf Leuchtdiodenbasis, Packaging und Hybridschaltungen}, series = {PLUS}, journal = {PLUS}, number = {2}, publisher = {Leuze-Verlag}, year = {2010}, subject = {Lumineszenzdiode}, language = {de} } @inproceedings{GlaabHellmann2010, author = {Glaab, Johannes and Hellmann, Ralf}, title = {Germicidal potential of ultraviolet-LED emitting different wavelength for the inactivation of indigenous coliform bacteria}, series = {Water research conference, Lissabon, Portugal}, booktitle = {Water research conference, Lissabon, Portugal}, year = {2010}, subject = {Lumineszenzdiode}, language = {en} } @inproceedings{RosenbergerBelleHellmann2009, author = {Rosenberger, Manuel and Belle, Stefan and Hellmann, Ralf}, title = {Optical interrogation of bragg grating sensors using tunable fibre based bandpass filter}, series = {Proceedings of the 20st international science conference, Mittweida}, booktitle = {Proceedings of the 20st international science conference, Mittweida}, year = {2009}, subject = {Bragg-Reflektor}, language = {en} } @inproceedings{BelleScheurichHellmann2009, author = {Belle, Stefan and Scheurich, Steffen and Hellmann, Ralf}, title = {Interrogation water content in organic solvents by planar bragg grating sensors}, series = {Proceedings SENSOR}, booktitle = {Proceedings SENSOR}, number = {Vol. II, P3.2}, isbn = {978-3-9810993-6-2}, pages = {324 -- 329}, year = {2009}, subject = {Bragg-Reflektor}, language = {en} } @inproceedings{ScheurichBelleHellmannetal.2009, author = {Scheurich, Steffen and Belle, Stefan and Hellmann, Ralf and So, Sik and Sparrow, Ian and Emmerson, Greg}, title = {Application of a silica-on-silicon planar optical waveguide. Bragg grating sensor for organic liquid compound detection}, series = {SPIE Optics an optoelectronics conference, Proceedings of SPIE, Vol. 7356, Prag, CR}, booktitle = {SPIE Optics an optoelectronics conference, Proceedings of SPIE, Vol. 7356, Prag, CR}, number = {7356}, isbn = {978-0819476302}, year = {2009}, subject = {Bragg-Reflektor}, language = {en} } @inproceedings{ScheurichBelleHellmannetal.2009, author = {Scheurich, Steffen and Belle, Stefan and Hellmann, Ralf and So, Sik and Sparrow, Ian and Emmerson, Greg}, title = {Planar optical waveguide bragg grating chemical sensor for online process control}, series = {3rd integrated optics - sensors, sensing structures and methodes Korbielow, PL}, booktitle = {3rd integrated optics - sensors, sensing structures and methodes Korbielow, PL}, year = {2009}, subject = {Bragg-Reflektor}, language = {en} } @article{HockAdelmannHellmann2012, author = {Hock, Klaus and Adelmann, Benedikt and Hellmann, Ralf}, title = {Comparative study of remote fiber laser and water-jet guided laser cutting of thin film metal sheets}, series = {Physics procedia}, volume = {39}, journal = {Physics procedia}, pages = {225 -- 231}, year = {2012}, subject = {Laserschneiden}, language = {en} } @inproceedings{KalmarHellmannRegertetal.2012, author = {Kalm{\´a}r, L{\´a}szl{\´o} and Hellmann, Ralf and R{\´e}gert, Tam{\´a}s and Varga, Zoltan}, title = {Numerical investigation of heat transport procedure in high power LED modules}, series = {Proceedings of the XXVI International MicroCAD Conference, Miskolc (Hungary)}, booktitle = {Proceedings of the XXVI International MicroCAD Conference, Miskolc (Hungary)}, pages = {43 -- 46}, year = {2012}, subject = {Lumineszenzdiode}, language = {en} }