@article{Vollmer2009, author = {Vollmer, Michael}, title = {Mirrors in the Air: Mirages in Nature and in the Laboratory}, series = {In: Physics Education 44 (2009) 2, 165-174}, journal = {In: Physics Education 44 (2009) 2, 165-174}, issn = {0031-9120}, pages = {165 -- 174}, year = {2009}, language = {en} } @article{VollmerMoellmann2008, author = {Vollmer, Michael and M{\"o}llmann, Klaus-Peter}, title = {Michelson Interferometer for your kitchen table}, series = {In: The Physics Teacher 46 (2008), 114-117}, journal = {In: The Physics Teacher 46 (2008), 114-117}, issn = {0031-921x}, pages = {114 -- 117}, year = {2008}, language = {en} } @article{PlaninsicVollmer2008, author = {Planinsic, G. and Vollmer, Michael}, title = {The surface to volume ratio in thermal physics: from cheese cube physics to animal metabolism}, series = {In: European Journal of Physics 29 (2008), 369-384}, journal = {In: European Journal of Physics 29 (2008), 369-384}, issn = {0143-0807}, pages = {369 -- 384}, year = {2008}, language = {en} } @article{VollmerMoellmannArnold2007, author = {Vollmer, Michael and M{\"o}llmann, Klaus-Peter and Arnold, F.}, title = {Locomotion by blowing into the sail of a sailboat? From a basic physics question to thrust reversal of jet airplanes}, series = {In: Physics Education 42 (2007), 369-377}, journal = {In: Physics Education 42 (2007), 369-377}, issn = {0031-9120}, pages = {369 -- 377}, year = {2007}, language = {en} } @article{VollmerMoellmann2007, author = {Vollmer, Michael and M{\"o}llmann, Klaus-Peter}, title = {Infrared thermal imaging as a tool in university physics education}, series = {In: European Journal of Physics 28 (2007), S37-S50}, journal = {In: European Journal of Physics 28 (2007), S37-S50}, pages = {37 -- 50}, year = {2007}, language = {en} } @article{MoellmannVollmer2006, author = {M{\"o}llmann, Klaus-Peter and Vollmer, Michael}, title = {Measurements and predictions of the illuminance during a solar eclipse}, series = {In: European journal of physics 27 (2006), 1299-1314}, journal = {In: European journal of physics 27 (2006), 1299-1314}, pages = {1299 -- 1314}, year = {2006}, abstract = {Measurements of illuminance during a solar eclipse are presented. The data are compared to theoretical predictions, based on a geometrical model for obscuration. The model assumes a straight and uniform motion of the sun and moon as well as a spherical shape of both, i.e. it neglects any effects of limb darkening. Furthermore, the sun's disk is assumed to have homogeneous luminosity, i.e. any luminosity variations due to sun spots are neglected. Input parameters are the duration of the eclipse, the duration of totality, the impact parameter, i.e. the distance between the two trajectories of sun and moon, and the sizes of sun and moon. The model applies to all types of eclipses, partial, annular and total.}, language = {en} } @article{VollmerGedzelman2006, author = {Vollmer, Michael and Gedzelman, S. D.}, title = {Colors of the sun and moon : the role of the optical air mass}, series = {In: European journal of physics 27 (2006), 299-309}, journal = {In: European journal of physics 27 (2006), 299-309}, pages = {299 -- 309}, year = {2006}, abstract = {A geometric model for the optical air mass of the atmosphere is developed. Using the model, simple formulae are derived for the optical thickness of light passing through (1) a molecular atmosphere, (2) an atmosphere with uniformly distributed tropospheric aerosols and (3) atmospheres with elevated aerosol layers. The formulae are used to model the spectra and perceived colours of the Sun and Moon.}, language = {en} } @article{Vollmer1999, author = {Vollmer, Michael}, title = {Naturwissenschaftler auf Banknoten}, series = {In: Physik in unserer Zeit 30 (1999) 3, 114-117}, journal = {In: Physik in unserer Zeit 30 (1999) 3, 114-117}, doi = {10.1002/piuz.19990300305}, pages = {114 -- 117}, year = {1999}, abstract = {Portr{\"a}ts von Naturwissenschaftlern und sachliche Darstellungen aus der Physik finden sich in zahlreichen Bereichen des t{\"a}glichen Lebens, insbesondere auch auf vielen Banknoten. Die Auswahl -- vorgegeben durch die politisch inspirierte Motivwahl der Notenbanken -- stellt eine interessante Reise durch die Wissenschaftsgeschichte dar.}, language = {de} } @article{Vollmer2001, author = {Vollmer, Michael}, title = {Strahlungsgesetz und Augenempfindlichkeit: Bemerkungen zu einer klassischen Fehlinterpretation}, series = {In: Der mathematische und naturwissenschaftliche Unterricht : MNU 54 (2001) 4, 196-200}, journal = {In: Der mathematische und naturwissenschaftliche Unterricht : MNU 54 (2001) 4, 196-200}, pages = {196 -- 200}, year = {2001}, language = {de} } @article{Vollmer1997, author = {Vollmer, Michael}, title = {Der Regenbogen : Vorschlag zur Gestaltung einer interdisziplin{\"a}ren Unterrichtseinheit}, series = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 7, 36-38}, journal = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 7, 36-38}, pages = {36 -- 38}, year = {1997}, language = {de} } @article{VollmerVollmer1997, author = {Vollmer, J. and Vollmer, Michael}, title = {Am Himmel geschehen Zeichen und Wunder : Aberglauben und Bauernregeln bei optischen Erscheinungen der Atmosph{\"a}re}, series = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 3, 31-37}, journal = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 3, 31-37}, pages = {31 -- 37}, year = {1997}, language = {de} } @article{TammerTraenkleKarstaedtetal.1997, author = {Tammer, R. and Tr{\"a}nkle, E. and Karst{\"a}dt, Detlef and Vollmer, Michael}, title = {Spektakel bei Sonnenschein : Lichts{\"a}ulen, Sonnenhunde und und und ...}, series = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 3, 24-30}, journal = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 3, 24-30}, pages = {24 -- 30}, year = {1997}, language = {de} } @article{TammerVollmer1997, author = {Tammer, R. and Vollmer, Michael}, title = {Regenb{\"o}gen in Wasser und edleren Tropfen}, series = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 3, 15-23}, journal = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 3, 15-23}, pages = {15 -- 23}, year = {1997}, language = {de} } @article{Vollmer1997, author = {Vollmer, Michael}, title = {Lichtbrechung, Oasen und Luftschl{\"o}sser: Gibt es den Palast der Fata Morgana ?}, series = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 3, 10-15}, journal = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 3, 10-15}, pages = {10 -- 15}, year = {1997}, language = {de} } @article{Vollmer1997, author = {Vollmer, Michael}, title = {Von den Ph{\"a}nomenen zur Physik: Atmosph{\"a}rische Optik in der Schule}, series = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 3, 2-9}, journal = {In: Praxis der Naturwissenschaften / Physik 46 (1997) 3, 2-9}, pages = {2 -- 9}, year = {1997}, language = {de} } @article{Vollmer1995, author = {Vollmer, Michael}, title = {"Wenn das Licht in Farben sich erbricht ...", Teil 1}, series = {In: : Physik in unserer Zeit 26 (1995) 3, 106 - 115}, journal = {In: : Physik in unserer Zeit 26 (1995) 3, 106 - 115}, doi = {10.1002/piuz.19950260303}, pages = {106 -- 115}, year = {1995}, abstract = {Fata Morgana, Regenb{\"o}gen, Sonnenhunde, Brockengespenst, gr{\"u}ne Sonnenstrahlen, D{\"a}mmerungsfarben bei klarer und tr{\"u}ber Atmosph{\"a}re. Diese optischen Erscheinungen der Atmosph{\"a}re bieten nicht nur faszinierende Anblicke, sondern beinhalten vor allem interessante Physik.}, language = {de} } @article{Vollmer1995, author = {Vollmer, Michael}, title = {"Wenn das Licht in Farben sich erbricht ...", Teil 2}, series = {In: Physik in unserer Zeit 26 (1995) 4, 176 - 184}, journal = {In: Physik in unserer Zeit 26 (1995) 4, 176 - 184}, doi = {10.1002/piuz.19950260406}, pages = {176 -- 184}, year = {1995}, language = {de} } @article{SchneiderVollmer2005, author = {Schneider, Werner B. and Vollmer, Michael}, title = {Experimental simulations of pollen coronas}, series = {In: Applied optics 44 (2005) 27, 5746-5753}, journal = {In: Applied optics 44 (2005) 27, 5746-5753}, doi = {10.1364/AO.44.005746}, pages = {5746 -- 5753}, year = {2005}, abstract = {A procedure to experimentally simulate pollen coronas is discussed. Observed coronas are due to pine and birch pollen having different geometries. Using computer simulations, two-dimensional projections of a large number of pollenlike objects with adjustable shapes, with or without preferential orientation and statistical or regular spatial distribution, are generated. The photograph of the printout allows samples with typical sizes between 20 and 200 µm. Their diffraction patterns can closely resemble the ones observed in nature and predicted by theory. © 2005 Optical Society of America}, language = {en} } @inproceedings{MoellmannLutzVollmeretal.2004, author = {M{\"o}llmann, Klaus-Peter and Lutz, Norbert and Vollmer, Michael and Wille, Ch.}, title = {Thermography of Microsystems}, series = {In: InfraMation proceedings Vol. 5 (2004), 183-196}, booktitle = {In: InfraMation proceedings Vol. 5 (2004), 183-196}, pages = {183 -- 196}, year = {2004}, language = {en} } @article{VollmerGreenler2003, author = {Vollmer, Michael and Greenler, Robert}, title = {More Halo and Mirage Experiments in Atmospheric Optics}, series = {In: Applied Optics 42 (2003) 3, pp. 394-398}, journal = {In: Applied Optics 42 (2003) 3, pp. 394-398}, doi = {10.1364/AO.42.000394}, year = {2003}, abstract = {Some laboratory demonstrations on atmospheric optics are presented. The focus is on dispersion effects in mirages, lateral mirages, and inferior mirages produced with small hot plates. We also show a demonstration of the upper-tangent-arc halo, produced with a hexagonal prism, rotating about two axes. © 2003 Optical Society of America}, language = {en} }