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Publikācija: Nonlinear Optical Properties of Low Molecular Organic Glasses Formed by Triphenyl Modified Chromophores

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Publikācijas valoda English (en)
Nosaukums oriģinālvalodā Nonlinear Optical Properties of Low Molecular Organic Glasses Formed by Triphenyl Modified Chromophores
Pētniecības nozare 1. Dabaszinātnes
Pētniecības apakšnozare 1.4. Ķīmija
Autori Andrejs Tokmakovs
Mārtiņš Rutkis
Kaspars Traskovskis
Elmārs Zariņš
Lauma Laipniece
Valdis Kokars
Valdis Kampars
Atslēgas vārdi NLO, azochromophore, molecular glasses
Anotācija The series of organic molecular glasses have been studied as possible candidates for nonlinear optical (NLO) applications. Amorphous phase formation of investigated materials is ensured by the presence of bulky triphenyl substituents in molecular structure of NLO chromophores. Linear optical properties as well as NLO coefficients and thermal stability of NLO activity for the 13 molecular materials in glassy thin solid films have been determined. For the benzylidene-1,3-indandione chromophore containing compound the highest d33 value equal to 280 pm/V was measured under the 1064 nm excitation. Among the investigated compounds uppermost achieved thermal sustainability of NLO response was 108 °C. The relationship between number of triphenyl substituents and increased thermal sustainability of nonlinear response was observed.
DOI: 10.1088/1757-899X/38/1/012034
Hipersaite: http://iopscience.iop.org/1757-899X/38/1/012034/pdf/1757-899X_38_1_012034.pdf 
Atsauce Tokmakovs, A., Rutkis, M., Traskovskis, K., Zariņš, E., Laipniece, L., Kokars, V., Kampars, V. Nonlinear Optical Properties of Low Molecular Organic Glasses Formed by Triphenyl Modified Chromophores. IOP Conference Series: Materials Science and Engineering, 2012, Vo.38, Iss.1, 012034.-012034.lpp. e-ISSN 1757-899X. ISSN 1757-8981. Pieejams: doi:10.1088/1757-899X/38/1/012034
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ID 15016