Bibliographies thématiques / Organic Electro-Optic Material

Littérature scientifique sur le sujet « Organic Electro-Optic Material »

Auteur : Grafiati
Publié le 14 mars 2023

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Articles de revues sur le sujet "Organic Electro-Optic Material"

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Dalton, L. R. « Organic electro-optic materials ». Pure and Applied Chemistry 76, no 7-8 (1 janvier 2004) : 1421–33. http://dx.doi.org/10.1351/pac200476071421.

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The macroscopic electrooptic activity of organic materials depends upon the molecular hyperpolarizability, beta, of individual organic chromophores and upon the product of number density, N, and noncentrosymmetric order, <cos3theta>, of the chromophores in a hardened polymer lattice. Quantum and statistical mechanical calculations provide the basis for rational improvement of these parameters leading to electro-optic coefficients (at telecommunication wavelengths) of greater than 100 pm/V (a factor of 3 larger than values for the best inorganic material, lithium niobate). Such calculations also provide insight into what further improvements can be expected. Owing to low and relatively dispersionless dielectric constants and refractive indicies, organic materials facilitate the fabrication of devices with 3 dB operational bandwidths of greater than 100 GHz. Moreover, robust and low optical loss materials can be fabricated by design. An under-appreciated advantage of organic electro-optic materials is their processability, and a variety of stripline, cascaded prism and super-prism, and ring microresonator devices are readily fabricated. Conformal, flexible, and three-dimensional devices are also readily produced. With ring microresonator devices, active wavelength division multiplexing, optical network reconfiguration, and laser frequency tuning are straightforwardly accomplished.
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Kim, Tae-Dong, Kwang-Sup Lee, So Young Lee, Young Joe Kim et Jae Won Song. « Organic-Inorganic Hybrid Material for Electro-Optic Modulator ». Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 371, no 1 (octobre 2001) : 337–40. http://dx.doi.org/10.1080/10587250108024755.

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Jin, Wenwei, Peter V. Johnston, Delwin L. Elder, Karl T. Manner, Kerry E. Garrett, Werner Kaminsky, Ruimin Xu, Bruce H. Robinson et Larry R. Dalton. « Structure–function relationship exploration for enhanced thermal stability and electro-optic activity in monolithic organic NLO chromophores ». Journal of Materials Chemistry C 4, no 15 (2016) : 3119–24. http://dx.doi.org/10.1039/c6tc00358c.

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Structure–function relationship study in a series of organic monolithic electro-optic materials has revealed the impact of donor and bridge molecular modification, leading to material with increased EO behavior and improved thermal stability.
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Jie, Sun, Zhu Gui-Hua, Sun Xiao-Qiang, Li Tong, Gao Wei-Nan, Zhang Da-Ming et Hou A-Lin. « High Cost Performance Organic–Inorganic Hybrid Material for Electro-optic Devices ». Chinese Physics Letters 26, no 2 (février 2009) : 024206. http://dx.doi.org/10.1088/0256-307x/26/2/024206.

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Liu, Fenggang, Ziying Zeng, Abdul Rahman, Xunyu Chen, Zhiwei Liang, Xiaoqing Huang, Shumin Zhang, Huajun Xu et Jiahai Wang. « Design and synthesis of organic optical nonlinear multichromophore dendrimers based on double-donor structures ». Materials Chemistry Frontiers 5, no 24 (2021) : 8341–51. http://dx.doi.org/10.1039/d1qm01337h.

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Mohammad, Syuhaimi Ab Rahman, Mohamed Shaktur Khaled et Mohammad Rahmah. « Organic Polymer Integrated Optics : Recently Design and Simulation of an Electro-Optic 2x3 Switch ». Advanced Materials Research 230-232 (mai 2011) : 80–84. http://dx.doi.org/10.4028/www.scientific.net/amr.230-232.80.

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Electrooptic waveguide technology is suitable for realization of an electro-optic 2x3 switch based on integrated Mach-Zehnder interferometer using polymer material, where ESO of polymeric materials were used. It can provide high performances and it is applicable for all optical switching networks. The relatively low cost technology, easy fabrication process with standard optoelectronic fabrication process and with high degree of integration compared to other technologies make the development of optical switch based on this technology favorable one.
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ZHANG Feng, 张峰, 李晓东 LI Xiao-dong, 谭震宇 TAN Zhen-yu, 李涛 LI Tao, 陈长鸣 CHEN Chang-ming et 张大明 ZHANG Da-ming. « Strip-loaded Waveguide Electro-optic Modulator Based on Bonded Organic-inorganic Hybrid Material ». ACTA PHOTONICA SINICA 40, no 4 (2011) : 569–72. http://dx.doi.org/10.3788/gzxb20114004.0569.

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Meredith, Gerald R. « Organic Materials for Nonlinear Optics ». MRS Bulletin 13, no 8 (août 1988) : 24–29. http://dx.doi.org/10.1557/s0883769400064642.

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were very exciting but speculative, being technologically feasible only if new classes of materials could be developed The subject of materials in nonlinear optics (NLO) encompasses a wide range of important topics. Today the line between materials and NLO processes has become fuzzy, particularly for newer NLO processes (e.g. photorefrac-tion, and optical bistability, logic and computing). For more established NLO processes (e.g., harmonic generation, parametric processes, linear electro-optic effect, etc.) the subjects are well studied and the importance of various materials properties on the NLO process are known, though these properties are not necessarily predictable, controllable, or optimized in current materials.A decade ago, having been introduced to NLO phenomena through postdoctoral research, I had an opportunity to define and pursue an NLO research program at Xerox's Webster Research Center. The question was posed: “Are new materials needed for NLO applications?” The answer must start with another question: “Which NLO process … with light of what wavelength, pulse duration, and power… and for what purpose?”It was clear that important limitations to many of the novel things one might do with optics were: insufficient nonlin-earity magnitude, inability to fabricate reliable device structures, occurrence of deleterious optical properties, and restrictions due to other material properties. The newer NLO phenomena. Use of older NLO processes in new technological applications seemed a more down-to-earth quest.
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Shimoga, Ganesh, et Sang-Youn Kim. « High-k Polymer Nanocomposite Materials for Technological Applications ». Applied Sciences 10, no 12 (20 juin 2020) : 4249. http://dx.doi.org/10.3390/app10124249.

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Understanding the properties of small molecules or monomers is decidedly important. The efforts of synthetic chemists and material engineers must be appreciated because of their knowledge of how utilize the properties of synthetic fragments in constructing long-chain macromolecules. Scientists active in this area of macromolecular science have shared their knowledge of catalysts, monomers and a variety of designed nanoparticles in synthetic techniques that create all sorts of nanocomposite polymer stuffs. Such materials are now an integral part of the contemporary world. Polymer nanocomposites with high dielectric constant (high-k) properties are widely applicable in the technological sectors including gate dielectrics, actuators, infrared detectors, tunable capacitors, electro optic devices, organic field-effect transistors (OFETs), and sensors. In this short colloquy, we provided an overview of a few remarkable high-k polymer nanocomposites of material science interest from recent decades.
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Palmer, Robert, Wolfgang Freude, Juerg Leuthold, Christian Koos, Sebastian Koeber, Delwin L. Elder, Markus Woessner et al. « High-Speed, Low Drive-Voltage Silicon-Organic Hybrid Modulator Based on a Binary-Chromophore Electro-Optic Material ». Journal of Lightwave Technology 32, no 16 (15 août 2014) : 2726–34. http://dx.doi.org/10.1109/jlt.2014.2321498.

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Thèses sur le sujet "Organic Electro-Optic Material"

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Hammond, Scott R. « Molecular and nanoscale engineering for enhanced order in organic electro-optic materials / ». Thesis, Connect to this title online ; UW restricted, 2007. http://hdl.handle.net/1773/11604.

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SANGUINETI, ALESSANDRO. « Heteroaromatic conjugated materials with innovative applications : from photonics to transistors ». Doctoral thesis, Università degli Studi di Milano-Bicocca, 2011. http://hdl.handle.net/10281/19517.

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It is here reported the introduction and development of innovative heteroaromatic conjugated systems for their application in the fields of photonic (electro-optic NLO materials) and organic electronic (organic thin film transistors). The work starts from the design and synthesis of the active molecules exploiting both state-of-the-art literature procedures and innovative challenging approaches. The valuable results obtained at the molecular level enable the realization of advanced functional organic materials and properly working devices through the exploitation of the most common supramolecular assembling techniques. Outstanding results are shown.
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Bhattacharjee, Sanchali. « Novel concepts in the design and synthesis of organic nonlinear optical and electro-optic materials / ». Thesis, Connect to this title online ; UW restricted, 2006. http://hdl.handle.net/1773/8605.

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Kim, Tae-Dong. « Directing the self-assembly and click chemistry of organic photonics materials for exceptional electro-optic properties / ». Thesis, Connect to this title online ; UW restricted, 2007. http://hdl.handle.net/1773/10593.

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Teocoli, Francesca, Mauro Ghedini et Carlo Versace. « Synthesis and characterization of new hybrid organic/inorganic materials for electro-optic applications ». Thesis, 2014. http://hdl.handle.net/10955/492.

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Chapitres de livres sur le sujet "Organic Electro-Optic Material"

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Dalton, Larry R., Philip A. Sullivan, Denise Bale, Benjamin Olbricht, Joshua Davies, Stephanie Benight, Ilya Kosilkin, Bruce H. Robinson, Bruce E. Eichinger et Alex K. Y. Jen. « Organic Electro-Optic Materials ». Dans Organic Thin Films for Photonic Applications, 13–33. Washington, DC : American Chemical Society, 2010. http://dx.doi.org/10.1021/bk-2010-1039.ch002.

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Flipse, M. C., C. P. J. M. Vorst, J. W. Hofstraat, R. H. Woudenberg, R. A. P. Gassel, J. C. Lamers, E. G. M. Linden, W. J. Veenis, M. B. J. Diemeer et M. C. J. M. Donckers. « Recent Progress in Polymer Based Electro-Optic Modulators : Materials and Technology ». Dans Photoactive Organic Materials, 227–46. Dordrecht : Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-017-2622-1_15.

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Dalton, L. R., et A. W. Harper. « Photoactive Organic Materials for Electro-Optic Modulator and High Density Optical Memory Applications ». Dans Photoactive Organic Materials, 183–98. Dordrecht : Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-017-2622-1_12.

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Yoshimura, Tetsuzo. « Theoretically-Predicted Electro-Optic (EO) Effect in Polymer MQDs ». Dans Molecular Layer Deposition for Tailored Organic Thin-Film Materials, 135–67. Boca Raton : CRC Press, 2023. http://dx.doi.org/10.1201/9781003094012-7.

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Blanchard-Desce, M., M. Barzoukas, F. Chaput, B. Darracq, M. Mladenova, L. Ventelon, K. Lahlil, J. Reyes, J. P. Boilot et Y. Levy. « Towards Stable Materials for Electro-Optic Modulation and Photorefractive Applications ». Dans Multiphoton and Light Driven Multielectron Processes in Organics : New Phenomena, Materials and Applications, 183–98. Dordrecht : Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4056-0_14.

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SINGER, K. D., S. L. LALAMA, J. E. SOHN et R. D. SMALL. « Electro-Optic Organic Materials ». Dans Nonlinear Optical Properties of Organic Molecules and Crystals, 437–68. Elsevier, 1987. http://dx.doi.org/10.1016/b978-0-12-170611-1.50013-9.

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Dalton, Larry. « Organic Electro-Optic Materials ». Dans Conjugated Polymers, 299–327. CRC Press, 2019. http://dx.doi.org/10.1201/9780429190520-9.

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« Organic Electro-Optic Materials ». Dans Conjugated Polymers, 249–88. CRC Press, 2006. http://dx.doi.org/10.1201/b10739-13.

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Bosshard, Ch, K. Sutter, Ph Prêtre, J. Hulliger, M. Flörsheimer, P. Kaatz et P. Günter. « Organic Electro-Optic Compounds ». Dans Organic Nonlinear Optical Materials, 3–16. CRC Press, 2020. http://dx.doi.org/10.4324/9780429114090-2.

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Bosshard, Ch, K. Sutter, Ph Prêtre, J. Hulliger, M. Flörsheimer, P. Kaatz et P. Günter. « Electro-Optic and Nonlinear Optical Polymers ». Dans Organic Nonlinear Optical Materials, 89–104. CRC Press, 2020. http://dx.doi.org/10.4324/9780429114090-6.

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Actes de conférences sur le sujet "Organic Electro-Optic Material"

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Xu, Jianjun, Ligui Zhou et M. Thakur. « Electro-optic Modulation Based on Channel Waveguide of Organic Single Crystal Material ». Dans Organic Thin Films for Photonic Applications. Washington, D.C. : Optica Publishing Group, 1997. http://dx.doi.org/10.1364/otfa.1997.the.24.

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Channel waveguide is the basic element in fabrication of electro-optic modulator for external electro-optic modulation. Using polymer electro-optic materials, channel waveguide device can be comparative easily fabricated, but the main problem for polymer materials is their stability. On the other hand, organic single crystal has excellent stability, the disadvantage of them is the difficulty in processing which limited their application potential. Recently, channel waveguide has been fabricated by direct growth inside the hollow fiber, but those channel waveguides proved to be difficult to fabricate electrode besides the crystal [1]. By combining ideas of growth of crystal from hollow fibre and shear method [2], a new method able to fabricate raised-up channel waveguide of organic crystal was initiated. In this method, solution of organic molecule was introduced between two substrates, one of them has patterned lines on it. Due to the polar interaction between the substrate materials and molecules of the solution, Single crystal channel waveguides were grown along the patterned line on the substrate, the dimension and direction of the crystal materials were controlled by these patterned lines. Fig.1 illustrated the diagram of this method.
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Liao, Jinkun, Xianzhong Tang, Rongguo Lu, Xionggui Tang, Heping Li, Xiaoxia Zhang et Yongzhi Liu. « Poling and characterization of a novel organic/polymer electro-optic material ». Dans 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, sous la direction de Ya-Dong Jiang, Bernard Kippelen et Junsheng Yu. SPIE, 2010. http://dx.doi.org/10.1117/12.866000.

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Harper, Aaron W., Mingqian He, Fang Wang, Jinghong Chen, Jingsong Zhu, Sam S. Sun, Larry R. Dalton et al. « Recent Advances in the Translation of Large Microscopic Nonlinearities to Large Macroscopic Nonlinearities in Electro-Optic Polymer Films ». Dans Organic Thin Films for Photonic Applications. Washington, D.C. : Optica Publishing Group, 1997. http://dx.doi.org/10.1364/otfa.1997.fc.4.

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Typical electro-optic polymers are characterized by second-order nonlinear optical (NLO) chromophores arranged polar-asymmetrically in an amorphous polymer matrix. It is believed that the electro-optic activity of workhorse NLO chromophores (e.g., DANS and Disperse Red) are of insufficient magnitude to be viable candidates for commercial device-quality materials.1 Consequently, much effort has been directed in the past few years toward the development of chromophores with device-quality magnitudes of molecular optical nonlinearities. Unfortunately, the translation of these so-called high-β chromophores to the expected bulk electro-optic activities in polymers generally has not been achieved. Recently, we have shown that this lack of electro-optic activity is due primarily to strong intermolecular electrostatic interactions between chromophores, which tend to align the chromophores in an antiparallel fashion, resulting in no net polar asymmetry in the bulk material.2,3
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Figi, Harry, Denise H. Bale, Attila Szep, Larry R. Dalton et Antao Chen. « Horizontally slotted electro-optic silicon waveguides featuring an organic crystalline slot material ». Dans 12th European Quantum Electronics Conference CLEO EUROPE/EQEC. IEEE, 2011. http://dx.doi.org/10.1109/cleoe.2011.5942706.

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Shakos, JD, AM Cox, DP West, KS West, TA King et RD Blackburn. « Organic photorefractive composite dynamics ». Dans Organic Thin Films for Photonic Applications. Washington, D.C. : Optica Publishing Group, 1997. http://dx.doi.org/10.1364/otfa.1997.fd.2.

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Several devices such as holographic memory elements and adaptive optical components benefit from a rapid rate of recording of diffraction gratings. In reorientationally-enhanced photorefractive materials1'1, the total electro-optic response is due to a combination of the electronic electro-optic effect (or Pockels effect) and the reorientation of polar birefringent molecules in the presence of the local electric field. This reorientational effect can be significantly larger than the Pockels effect in these materials, but may be slow due to the characteristic reorientation times of these polar molecules. This effect depends largely on the reorientational mobility of the molecules, which correlates with the material viscosity.
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Kalluri, Srinath, Antao Chen, Mehrdad Ziari, William H. Steier, Zhiyong Liang, Larry R. Dalton, Datong Chen, Bahram Jalali et Harold R. Fetterman. « Vertical Integration of Polymer Electro-Optic Devices on Electronic Circuits ». Dans Organic Thin Films for Photonic Applications. Washington, D.C. : Optica Publishing Group, 1995. http://dx.doi.org/10.1364/otfa.1995.wb.6.

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A major topic of research in the opto-electronics field over the last decade has been the integration of photonic devices with electronic circuits. The major hurdle here is the fabrication incompatibility of the different material systems required for electronics and photonics. Most integrated photonic devices with applications in fiber communications are fabricated from compound semiconductors (lasers, modulators, detectors) or from crystalline dielectrics (modulators). On the other hand Si electronics (or GaAs for high speed) are highly developed and available through semiconductor foundries. To integrate this well developed electronics technology with conventional photonics technology has required techniques like flip chip bonding, epitaxial liftoff, solder bump technology and other forms of hybrid integration.
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Ghebremichael, Fassil, et Hilary S. Lackritz. « Electro-optic And Second Harmonic Generation Studies Of Dye-Doped Polymers ». Dans Organic Thin Films for Photonic Applications. Washington, D.C. : Optica Publishing Group, 1995. http://dx.doi.org/10.1364/otfa.1995.the.2.

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The linear electro-optic (EO) effect, in conjunction with second harmonic generation (SHG) has been used to study temperature and electric field effects on dye-doped guest-host systems. An interferometric technique with in-situ poling was used to probe the poling field- induced molecular alignment of the chromophores as a function of temperature. The doped polymer systems were thin films of 4-dimethylamino-4'-nitrostilbene or disperse red 1 chromophores doped into poly(methyl methacrylate). For small poling fields, this technique revealed the linear dependency of the electro-optic-coefficient, r, and thus the second order susceptibility χ(2) of the material, on low poling fields. It was also possible to detect the β-relaxation, the secondary transition occurring below the glass transition temperature, which until now has not easily been seen in studies using optical techniques.
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Moshrefzadeh, R. S., K. M. White, C. V. Francis, M. W. Kleinschmit, S. K. Mohapatra, G. T. Boyd, R. C. Williams, K. H. Hahn et D. W. Dolfi. « High Speed Optical Intensity modulator in a Novel Polymeric Material ». Dans Organic Thin Films for Photonic Applications. Washington, D.C. : Optica Publishing Group, 1993. http://dx.doi.org/10.1364/otfa.1993.fd.3.

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Polymeric materials have the potential to exceed the increasingly demanding requirements for advanced nonlinear optical (NLO) devices such as intensity modulators and electro-optic switches. The benefits offered by polymeric materials include large optical nonlinearities which can lead to lower operating voltages, and lower dielectric constants necessary for high-speed modulation. Polymeric materials can in principle also be integrated with electrical driving circuits and other optical devices such as semiconductor light sources and detectors.
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Goonesekera, Arosha, et Stephen Ducharme. « Reduced Hole Mobility in Photorefractive Polymers due to the Chromophore Dipole Moment ». Dans Organic Thin Films for Photonic Applications. Washington, D.C. : Optica Publishing Group, 1997. http://dx.doi.org/10.1364/otfa.1997.fd.5.

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The recent demonstrations of low-cost high performance photorefractive polymers has encouraged more detailed studies of charge carrier transport mechanisms in photorefractive polymers as charge transport is a limiting factor in the sensitivity of these materials. The photorefractive effect is a mechanism for non local refractive index grating formation in an electro-optic material due to nonuniform illumination, through photoconduction and linear electro-optic response. The speed of photorefractive effect which remains low at present, is proportional to photoconductivity, hence improved understanding of transport mechanisms is vital. This report describes the negative effect the dipole moment of the non-linear chromophore has on the hole mobility in photorefractive polymers.
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Girton, D. G., W. W. Anderson, J. A. Marley, T. E. Van Eck et S. Ermer. « Current flow in doped and undoped electro-optic polymer films during poling ». Dans Organic Thin Films for Photonic Applications. Washington, D.C. : Optica Publishing Group, 1995. http://dx.doi.org/10.1364/otfa.1995.the.5.

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Electric-field poling is used to achieve a macroscopic alignment of the chromophores responsible for the electro-optic (EO) effect in polymer films.1 In EO polymer devices this chromophore doped layer, referred to as the “core” layer, is usually stacked between two polymer “cladding” layers of lower index which confine transmitted light to the core layer. These polymer films are formed by spin coating using standard semiconductor equipment and manufacturing processes. The polymer films are amorphous as spun and cured, so the polarizable chromophores are randomly arranged, and therefore no second-order electro-optic effects occur. Electric-field poling has been used to make a variety of EO polymer devices2,3,4,5, but the process is not well understood. In electric field poling the EO polymer is heated above its glass transition temperature Tg, a voltage is applied by electrodes to align the nonlinear chromophore molecules in the direction of the field, and the material is cooled back to room temperature under the influence of the electric field. While the voltage is applied to the cladding/core/cladding stack of films, the electric field divides in some manner so that a portion of the applied voltage appears across each of the film layers, as illustrated in Figure 1.
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Rapports d'organisations sur le sujet "Organic Electro-Optic Material"

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Dirk, Carl W., et Ou Xie. Approaches Toward Systematic Enhancement and Development of Organic Electro-Optic and All-Optic Materials Possessing Unprecedented Magnitudes of Optical Nonlinearity. Fort Belvoir, VA : Defense Technical Information Center, octobre 1997. http://dx.doi.org/10.21236/ada379747.

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