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Statements

Subject Item
n2:RIV%2F60461373%3A22310%2F11%3A43891961%21RIV12-MSM-22310___
rdf:type
skos:Concept n17:Vysledek
dcterms:description
Interference of coherent laser beams leads to appearance of periodical regions of different energy density. This periodical pattern (so-called optical lattice) is an interesting object for fundamental physics, since atoms trapped by periodical potential are suitable objects for studying propagation of spin waves, properties of super-solids or behaviour of Cooper pairs. At the other hand, the interference of the laser beams has also practical applications in production of optical gratings, meta-materials, and substrates for assembling of particles or cells. Laser light can also be used to change morphology or structure of thin polymer films. Experimental arrangement may consist of one or two laser beams irradiating the polymer surface. Diffraction pattern are formed either by interference of two incoming beams or by interference of primary and scattered laser beam. Formation of new structures on the polymer surface arises from periodical space distribution of the energy density replicating the light interference pattern. Another, simpler way of polymer modification is irradiation with focused laser beam by which a temperature gradient may be created in the irradiated spot. The temperature and surface tension gradients lead to redistribution of polymer material. In this way sub-micron structures can be prepared on the polymer surface. Depending on the experimental conditions different mechanisms such as ablation of materials, changes of polymers chemistry, photo-migration and photo-orientation processes, flow under temperature and tension gradients may govern the polymer modification by the laser light. In view of many factors taking part in the modification process a satisfactory explanation of the structure formation on polymers by laser irradiation has not been found yet. Interference of coherent laser beams leads to appearance of periodical regions of different energy density. This periodical pattern (so-called optical lattice) is an interesting object for fundamental physics, since atoms trapped by periodical potential are suitable objects for studying propagation of spin waves, properties of super-solids or behaviour of Cooper pairs. At the other hand, the interference of the laser beams has also practical applications in production of optical gratings, meta-materials, and substrates for assembling of particles or cells. Laser light can also be used to change morphology or structure of thin polymer films. Experimental arrangement may consist of one or two laser beams irradiating the polymer surface. Diffraction pattern are formed either by interference of two incoming beams or by interference of primary and scattered laser beam. Formation of new structures on the polymer surface arises from periodical space distribution of the energy density replicating the light interference pattern. Another, simpler way of polymer modification is irradiation with focused laser beam by which a temperature gradient may be created in the irradiated spot. The temperature and surface tension gradients lead to redistribution of polymer material. In this way sub-micron structures can be prepared on the polymer surface. Depending on the experimental conditions different mechanisms such as ablation of materials, changes of polymers chemistry, photo-migration and photo-orientation processes, flow under temperature and tension gradients may govern the polymer modification by the laser light. In view of many factors taking part in the modification process a satisfactory explanation of the structure formation on polymers by laser irradiation has not been found yet.
dcterms:title
Optical lattices prepared by laser treatment on polymers Optical lattices prepared by laser treatment on polymers
skos:prefLabel
Optical lattices prepared by laser treatment on polymers Optical lattices prepared by laser treatment on polymers
skos:notation
RIV/60461373:22310/11:43891961!RIV12-MSM-22310___
n17:predkladatel
n18:orjk%3A22310
n3:aktivita
n14:P
n3:aktivity
P(GA106/09/0125), P(GAP108/10/1106), P(GPP108/11/P337), P(GPP108/11/P840), P(KAN200100801), P(KAN400480701), P(LC06041)
n3:dodaniDat
n4:2012
n3:domaciTvurceVysledku
n13:2029057 n13:5784484 n13:7940904
n3:druhVysledku
n20:C
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
218543
n3:idVysledku
RIV/60461373:22310/11:43891961
n3:jazykVysledku
n19:eng
n3:klicovaSlova
optical lattices; laser; Polymer surface
n3:klicoveSlovo
n10:Polymer%20surface n10:laser n10:optical%20lattices
n3:kontrolniKodProRIV
[619C9EC85663]
n3:mistoVydani
Hauppauge, New York
n3:nazevEdiceCisloSvazku
Neuveden
n3:nazevZdroje
Optical Lattices: Structures, Atoms and Solitons
n3:obor
n9:CD
n3:pocetDomacichTvurcuVysledku
3
n3:pocetStranKnihy
243
n3:pocetTvurcuVysledku
4
n3:projekt
n5:GPP108%2F11%2FP337 n5:GPP108%2F11%2FP840 n5:LC06041 n5:GAP108%2F10%2F1106 n5:KAN200100801 n5:GA106%2F09%2F0125 n5:KAN400480701
n3:rokUplatneniVysledku
n4:2011
n3:tvurceVysledku
Siegel, Jakub Hnatowicz, Vladimír Švorčík, Václav Lyutakov, Oleksiy
s:numberOfPages
58
n7:hasPublisher
Nova Science Publishers
n16:isbn
978-1-61324-937-6
n15:organizacniJednotka
22310