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1) "Effect of frequency on dielectric properties of liquid crystal
doped with side-chain liquid crystalline polymer.", Muharrem GÖKÇEN,
Oğuz KÖYSAL, MATERIALS CHEMISTRY AND PHYSICS, 129(3), 1142, (2011) Tez: |
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2) "Investigation of dielectric properties and diffraction
efficiency enhancements caused by photothermal effect in DR9 dye-doped
nematic liquid crystal", Oğuz Köysal, Mustafa Okutan, Muharrem
Gökçen, OPTICS COMMUNICATIONS, 284(20), 4924, (2011) Tez: |
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3) "Nonlinear experimental dye-doped nematic liquid crystal optical
transmission spectra estimated by neural network empirical physical
formulas", "Nihat Yildiz", "Sait Eren San", "Oğuz Köysal", Optics
Communications, , 283(17), 3271, (2010) Tez: |
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4) "Conductivity and dielectric properties of cholesteric liquid
crystal doped with single wall carbon nanotube", "Oğuz Köysal",
Synthetic Metals, 160(9-10), 1097, (2010) Tez: |
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5) "The electrical properties of a fullerene and C.I. Acid Red 2 (methyl
red) doped E7 nematic liquid crystal", "M. Okutan", "S.E. San",
"Oğuz Köysal", "E. Şentürk", Dyes and Pigments, 84(3), 209, (2010) Tez: |
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6) "Temperature dependency of impedance spectroscopy behaviors in
side-chain liquid crystalline polymer", "M. Okutan", "Oğuz Köysal",
"S.E. San", "E. Şentürk", Journal of Non-Crystalline Solids,
355(52-54), 2674, (2009) Tez: |
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7) "An experimental optimization study for concentration and laser
power effects in the fullerene-C60 and azo dye doped guest–host
liquid crystal systems", "M. Okutan", "Oğuz Köysal", "S.E. San", "F.
Yakuphanoğlu", Optics Communications, 282(22), 4413, (2009) Tez: |
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8) "Diffraction efficiency and I–V characteristics of metal-free
phthalocyanine doped nematic liquid crystals", "Oğuz Köysal",
"Mustafa Okutan", "S.Eren San", "Tebello Nyokong", "Mahmut Durmuş",
Materials Chemistry and Physics, 114(2-3), 815, (2009) Tez: |
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9) "Electro-optical characteristics of photoinduced isomerization in
2,2′-azobis[5,6-bis(dodecyloxy)quinoxaline]-azo-dye-doped nematic
liquid crystals", "Oğuz Köysal", "Mustafa Okutan", "S. Eren San",
"Fatma Dinçer"," Vefa Ahsen", "Mahmut Durmuş", Journal of Physics
and Chemistry of Solids, 70(2), 266, (2009) Tez: |
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10) "Debye type dielectric relaxation in carbon nano-balls and 4-DMAABCA
acid doped E7 coded nematic liquid crystal", "E. Senturk", "M.
Okutan", "S.E San", "Oğuz Köysal" , Journal of Non-Crystalline
Solids, 354(30), 3525, (2008) Tez: |
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11) "Molecular orientation and dielectric anisotropy properties of
4-cyano-4 -n-heptylbiphenyl-TiO2 liquid crystal composite", "M.
Okutan", "F. Yakuphanoglu", "Oğuz Koysal", "S. E. San", "G. A.
Oweimreen", Journal of Non-Crystalline Solids, 354(30), 2529, (2008) Tez: |
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12) "Molecular orientation and photorefractive effects in
single-wall carbon nanotubes doped nitrile-ester mixture liquid
crystals", "Oğuz Köysal", "M. Okutan", "S.E. San", "R. Dabrowski",
"F. N. Ecevit" , Materials Chemistry and Physics, 109(2-3), 253,
(2008) Tez: |
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13) "Carbon nanoparticles in nematic liquid crystals", "S. E. San",
"M. Okutan", "Oğuz Köysal", "Y. Yerli" , Chinese Physics Letters,
25(1), 212, (2008) Tez: |
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14) "Dielectric anisotropy, and diffraction efficiency properties of
a doped nematic liquid crystal", "F. Yakuphanoglu", "M. Okutan",
"Oğuz. Köysal", "S.-M. Ahn", "S.R. Keum", Dyes and Pigments, 76(3),
721, (2008) Tez: |
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15) "Dielectric anisotropy, memory state and diffraction efficiency
properties of the spiropyranylazobenzoate AP-SPAB7 doped nematic
liquid crystal", "Fahrettin Yakuphanoğlu", "Mustafa Okutan", "Oğuz
Köysal", "Sam-Rok Keum", Dyes and Pigments, 76(1), 202, (2008) Tez: |
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16) "Diffraction efficiency and conductivity enhancement of nematic
liquid crystals by doping star-like fullerenes", "S. Eren San",
"Oğuz Köysal", "Mustafa Okutan", "F. Necati Ecevit", Dyes and
Pigments, 76(1), 13, (2008) Tez: |
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17) "Effect on response time and diffraction efficiency of co-usage
azo dye and carbon nanoparticle in nematic liquid crystal", "Oğuz
Köysal", "S. Eren San", Synthetic Metals, 158(13), 527, (2008) Tez: |
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18) "Determination of birefringence dispersion in nematic liquid
crystals by using an S-transform", "S. Özder", "E. Coşkun", "Oğuz
Köysal", "Ö. Kocahan", Optics Letters, 32(14), 2001, (2007) Tez: |
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19) "Dielectric spectroscopy analysis in employing liquid crystal
phthalonitrile derivative in nematic liquid crystals", "M. Okutan",
"F. Yakuphanoğlu", "Oğuz Köysal", "M. Durmuş", "V. Ahsen",
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy,
67(2), 531, (2007) Tez: |
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20) "Molecular reorientation based diffraction in a hybrid liquid
crystal system applicable for two different laser sources
simultaneously", "Oğuz Köysal", "S. Eren San", "Mustafa Okutan",
"Serhat Özder", Dyes and Pigments, 73(2), 65, (2007) Tez: |
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21) "Effect of an azo dye (DR1) on the dielectric parameters of a
nematic liquid crystal system", "S. Özder", "M. Okutan", "Oğuz
Köysal", "H. Göktaş", "S.E. San", Physica B: Condensed Matter,
390(1-2), 101, (2007) Tez: |
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22) "Diffraction efficiency enhancement caused by employing liquid
crystal phthalonitrile derivative in nematic liquid crystals", "Oğuz
Köysal", "M. Okutan", "S. E. San", "M. Durmuş", "F. N. Ecevit", "V.
Ahsen", Dyes and Pigments, 73(1), 98, (2007) Tez: |
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23) "Diffraction efficiency and dielectric relaxation properties of
Nickel Phthalocyanine doped nematic liquid crystal", "Oğuz Köysal",
"M. Okutan", "M. Durmuş", "F. Yakuphanoğlu", "S.E. San", "V. Ahsen",
Synthetic Metals, 156(1), 58, (2006) Tez: |
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24) "The refractive index dispersion and the optical constants of
metal-free and nickel(II) phthalocyanines liquid crystals", "F.
Yakuphanoğlu", "M. Durmuş", "M. Okutan", "Oğuz Köysal", "V. Ahsen",
Physica B: Condensed Matter, 373(2), 262, (2006) Tez: |
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25) "Dielectric studies of tetraethyleneglycol-bis
(3-methylimidazolium) dichloride (TEGDC) exhibiting large negative
dielectric anisotropy", "F. Yakuphanoglu", "M. Okutan", "Oğuz
Köysal", "S. Özder", "K. Ocakoğlu", "S. İçli", The Journal of
Physical Chemistry B, 109(51), 24338, (2005) Tez: |
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26) "A Novel Hybrid Composite Employing Rhodamine 6G And Fullerene
C60 Under The Same Liquid Crystal Structure For Dynamic Holography",
"S. Eren San", "Oğuz Köysal", "Mustafa Okutan", The Arabian Journal
for Science and Engineering, 30(2A), 337, (2005) Tez: |
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27) "Impedance spectroscopy and dielectric anisotropy type analysis
in dye doped nematic liquid crystals having different preliminary
orientation", "Mustafa Okutan", "Fahrettin Yakuphanoglu", "S. Eren
San", "Oğuz Köysal", Physica B:Condensed Matter, 368(1-4), 308,
(2005) Tez: |
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28) "Laser induced dielectric anisotropy of a hybrid liquid crystal
composite made up of methyl red and fullerene C60", "S. E. San",
"Oğuz Köysal", "M. Okutan", Journal of Non-Crystalline Solids,
351(33-36), 2798, (2005) Tez: |
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29) "Dielectric properties of laser-induced conditions in a hybrid
composite made by doping a side-chain liquid crystalline polymer",
"S. E. San", "M. Okutan", "Oğuz Köysal", "H. Ono", Journal of
Non-Crystalline Solids, 351(33-36), 2764, (2005) Tez: |
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30) "Investigation of refractive index dispersion and electrical
properties in carbon nano-balls’ doped nematic liquid crystals", "M.
Okutan", "S. E. San", "Oğuz Köysal", "F. Yakuphanoglu", Physica B:
Condensed Matter, 362, 180, (2005) Tez: |
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31) "Dielectric spectroscopy analysis of molecular reorientation in
dye doped nematic liquid crystals having different preliminary
orientation", "Mustafa Okutan", "S. Eren San", "Oğuz Köysal", Dyes
and Pigments, 65, 169, (2005) Tez: |
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32) "Dielectric properties of a side-chain liquid crystalline
polymer under laser induced circumstances", "Eren San", "Mustafa
Okutan", "Oğuz Köysal", "Hiroshi Ono", "Nobuhiro Kawatsuki", Optics
Communications, 238, 79, (2004) Tez: |
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33) "Determination of the refractive index dispersion of thick films
by continuous wavelet transform", "Serhat Özder", "Oğuz Köysal", "S.
Eren San", "F. Necati Ecevit", Thin Solid Films , 458(1-2), 257,
(2004) Tez: |
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34) "Molecular reorientation based diffraction in dihydropyridin
doped nematic liquid crystal film", "S. Eren San", "Oğuz Köysal",
"Mustafa Okutan", Dyes and Pigments, 63, 239, (2004) Tez: |
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35) "Simultaneous determination of refractive index and thickness of
multilayer dielectric films by discrete Fourier transform", "Oğuz
Köysal", "S.Eren San", "Serhat Özder", Optics Communications, 230,
273, (2004) Tez: |
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36) "Holographic recording study of a hybrid liquid crystal system
doped with dye and fullerene", "S. Eren San", "Oğuz Köysal", "F.
Necati Ecevit", "Serhat Özder", "Dmitri Dvornikov", Synthetic Metals,
142(13), 283, (2004) Tez: |
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37) "Effect of laser illumination on the electro optical characters
of dye doped nematic liquid crystals", "M. Okutan", "Oğuz Köysal",
"S. E. San", Displays, 24, 81, (2003) Tez: |
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38) "An outstanding holographic composite employing methyl red and
fullerene C60 under the same liquid crystal structure", "S. Eren
San", "Oğuz Köysal", Displays, 24(4-5), 209, (2003) Tez: |
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39) "A novel approach for the determination of birefringence
dispersion in nematic liquid crystals by using the continuous
wavelet transform", "Oğuz Köysal", "S. Eren San", "Serhat Özder",
"F.Necati Ecevit", Measurement Science and Technology, 14, 790,
(2003) Tez: |
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40) "Molecular reorientation-based grating diffraction in dye-doped
nematic liquid crystals with red pumping source", "S. E. San", "Oğuz
Köysal", "F. N. Ecevit", Optics Communications, 212, 405, (2002) Tez: |
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41) "Thickness measurement of dielectric films by wavelength
scanning method", "Oğuz Köysal", "Duygu Önal", "Serhat Özder", "F.
Necati Ecevit", Optics Communications, 205, 1, (2002) Tez: |