dye-doped
Efficiency improvements in a dichroic dye-doped liquid crystal Fresnel lens
... a dye doped guest-host LC Fresnel lens has been undertaken to investigate the effect of amplitude modulation focusing on the relative efficiency of the Fresnel ...dichroic dye into the LC host ...
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Dynamics in dye doped LC systems in presence of trans Cis isomerism
... of dye-doped nematic liquid crystal cells has been explored both experimentally and ...onto dye-doped liquid crystal systems have often been ...
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Dielectric Behaviour of Pure and Dye Doped Nematic Liquid Crystal BKS/B07
... of dye doped liquid ...of dye on dielectric property of liquid crystal host mole- ...of dye mixing optical transmittance measurement of the sample have also been ...
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Resolution in optically addressed spatial light modulators based on dye doped liquid crystals
... (ASAQ) dye-doped nematic liquid crystal (LC) ...MR doped systems. 18 The 2,5 azo-substituted anthraquinone (ASAQ) dye DC161 is dichroic and has maximum absorption at 527 ...The dye ...
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Efficiency improvements in a dichroic dye-doped liquid crystal Fresnel lens
... Previous dye-doped LC Fresnel lens devices have focused on the use of doped dyes either to generate alternating alignment directions [25–27] or to photo-induce zone specific phase transitions ...
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Photosensitive Fluorescent Dye Contributes to Phototoxicity and Inflammatory Responses of Dye-doped Silica Nanoparticles in Cells and Mice
... Dye-doped fluorescent silica nanoparticles provide highly intense and photostable fluorescence signals. However, some dopant dye molecules are photosensitive. A widely-used photosensitive fluorescent ...
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Dye-doped polystyrene-coated gold nanorods : towards wavelength tuneable SPASER
... To this end we have investigated the synthesis of dye-doped GNRs core shell structures. Rhodamine 800 (Rh800) was chosen because of its absorption and emission near 700 nm. Silica coating of gold ...
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Dye-Doped Polymer Laser Prepared by a Novel Laser Polymerization Method
... on dye-doped polymer lasers (DDP) is currently an attractive and very active ...that dye-doped polymer gain media can be polymerized by the Conventional Thermal Polymerization Method (CTPM) ...
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Electric field control of diffraction and noise in dye doped liquid crystals
... azo-dye doped nematic liquid crystals can work well as a holographic storage ...in dye doped liquid crystals [15] and permanent reorientation of the director ...
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Study on the Polarization of Random Lasers from Dye Doped Nematic Liquid Crystals
... in dye-doped nematic liquid crystals can be understood in the way that the random lasers can be regarded as random distributed feedback lasers [32]; the quasimodes are formed mainly by the feedback from ...
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Optical studies of non linear behaviour of dye doped liquid crystal systems
... This effect is very likely to occur in highly absorbing MR and DC161 doped 5CB films. A lot of care has to be taken to separate the thermal contribution from the rest of the effects. Calculation of the temperature ...
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Dye-Doped Fluorescent Nanoparticles in Molecular Imaging: A Review of Recent Advances and Future Opportunities
... “‘Nanotechnology’ mainly consists of the processing of, separation, consolidation, and deformation of materials by one atom or one molecule[41]. the first controlled release polymer system of macromolecules was described ...
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Synthesis and Investigation of Phenol Red Dye Doped Polymer Films
... Red dye doped polymer films were calculated using Equation ...high dye concentrations. It is also seen that increasing dye concentration leads to significant increase in the value of ...the ...
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Fluorescent Dye Doped Thin Film Sensors for the Detection of Alcohol Vapors
... tested under 1.000% Pr i OH pulses. The sensors, with an excitation peak at 450 nm, produced an emission peak at 540 nm (Figure S1, Appendix). During pulses of nitrogen and 1.000% Pr i OH vapor, Sensor D showed quick ...
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Sensors for optics based strain, temperature and chemical sensing : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Physics at Massey University, Palmerston North, New Zealand
... in doped glass fibre, Bragg gratings have now been made in plain polymer, dye-doped fibre and dye-doped films, opening up the possibility of increased sensitivity and new sensing ...
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Dye laser micro fluidic amplifiers
... Comparing the 3 mW pump power gain coefficient values, as an example, indicates that the dye doped PCFs exhibit a stronger level of amplification, or higher gain value, when the solution[r] ...
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A comparative study of non covalent encapsulation methods for organic dyes into silica nanoparticles
... the dye has a propensity to favour the encapsulation ...escent dye does not prevent the display of fluores- ...the dye-doped silica nanoparticles exhibit relatively similar excitation and ...
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Photodegradation studies of mn doped cdse qds on brilliant green dye under sunlight irradiation
... (5%) doped CdSe QDs was successfully synthesized by chemical precipitation method using the aqueous ...(5%) doped CdSe QDs were in zinc blende cubic structure and their sizes were ...(5%) doped CdSe ...
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Visible light functioning photocatalyst based on Al2O3 doped Mn3O4 nanomaterial for the degradation of organic toxin
... (organic dye) lead to the degradation (oxida- tion) of the dye molecule ...the dye molecule, BCB, adsorbed on nanomaterial may be stimulated to excited state under visible light ...excited dye ...
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Electric Field Assisted Growth of Ga Doped ZnO Nanorods Arrays for Dye Sensitized Solar Cells
... Most techniques to obtain 1D ZnO require the temperature above 500 ˚C. The successful growth of 1D ZnO via an aqueous solution route suggests an opportunity for low temperature doping [24]-[28]. However, simple addition ...
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