Search Results - "Natarajan, L. V."

Dynamic Lasing from All-Organic Two-Dimensional Photonic Crystals by Jakubiak, R., Tondiglia, V. P., Natarajan, L. V., Sutherland, R. L., Lloyd, P., Bunning, T. J., Vaia, R. A.

“…Optically pumped lasing of pyrromethene 597 in 2D columnar photonic crystals (PCs) derived from holographic polymer‐dispersed liquid crystals (LCs, see Figure)…”
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The influence of surfactant in reflective HPDLC gratings by Klosterman, J., Natarajan, L.V., Tondiglia, V.P., Sutherland, R.L., White, T.J., Guymon, C.A., Bunning, T.J.

“…The use of highly functional acrylate monomers (large number of reactive bonds) as the precursor to the polymer-rich phase of holographic polymer-dispersed…”
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Bragg gratings in an acrylate polymer consisting of periodic polymer-dispersed liquid-crystal planes by Sutherland, R. L, Natarajan, L. V, Tondiglia, V. P, Bunning, T. J

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Evolution of anisotropic reflection gratings formed in holographic polymer-dispersed liquid crystals by Sutherland, R. L., Tondiglia, V. P., Natarajan, L. V., Bunning, T. J.

“…The temporal evolution of an anisotropic reflection grating produced in a holographic polymer-dispersed liquid crystal film is investigated. We find that this…”
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Time-resolved light scattering of the phase separation in polymer-dispersed liquid crystals formed by photo-polymerization induced phase separation by Crawford, N.J., Dadmun, M.D., Bunning, T.J., Natarajan, L.V.

“…Time-resolved light scattering is utilized to monitor the phase separation of photo-initiated polymer-dispersed liquid crystals. At the lowest cure intensities…”
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One-Step, Micrometer-Scale Organization of Nano- and Mesoparticles Using Holographic Photopolymerization: A Generic Technique by Vaia, R. A., Dennis, C. L., Natarajan, L. V., Tondiglia, V. P., Tomlin, D. W., Bunning, T. J.

“…Holographic photopolymerization is a flexible, simple, one‐step technique to create defect‐free, sub‐micrometer patterns of particles over large dimensions…”
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Electrically switchable volume gratings in polymer-dispersed liquid crystals by Sutherland, R. L., Tondiglia, V. P., Natarajan, L. V., Bunning, T. J., Adams, W. W.

“…We report electrical switching of the diffraction efficiency in volume Bragg gratings written holographically in polymer-dispersed liquid crystals (PDLCs)…”
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Monomer functionality effects in the anisotropic phase separation of liquid crystals by POGUE, R. T, NATARAJAN, L. V, SIWECKI, S. A, TONDIGLIA, V. P, SUTHERLAND, R. L, BUNNING, T. J

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Morphology of anisotropic polymer-dispersed liquid crystals and the effect of monomer functionality by Bunning, T. J., Natarajan, L. V., Tondiglia, V. P., Dougherty, G., Sutherland, R. L.

“…The morphology of transmission gratings with varying Bragg spacings formed using polymer‐dispersed liquid crystals were examined using high‐resolution scanning…”
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Electrically Switchable Bragg Gratings from Liquid Crystal/Polymer Composites by Pogue, R. T., Sutherland, R. L., Schmitt, M. G., Natarajan, L. V., Siwecki, S. A., Tondiglia, V. P., Bunning, T. J.

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Electrically Switchable Gratings Formed Using Ultrafast Holographic Two-Photon-Induced Photopolymerization by Bunning, T. J, Kirkpatrick, S. M, Natarajan, L. V, Tondiglia, V. P, Tomlin, D. W

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The morphology and performance of holographic transmission gratings recorded in polymer dispersed liquid crystals by Bunning, T.J., Natarajan, L.V., Tondiglia, V., Sutherland, R.L., Vezie, D.L., Adams, W.W.

“…Holographic transmission gratings are formed by the anisotropic visible laser radiation curing of a multifunctional acrylate monomer blended with the liquid…”
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The effect of fluorine-substituted acrylate monomers on the electro-optical and morphological properties of polymer dispersed liquid crystals by Schulte, M. D., Clarson, S. J., Natarajan, L. V., Tomlin, D. W., Bunning, T. J.

“…The effects of fluorinated acrylate monomers on the electro-optical and morphological properties of polymer dispersed liquid crystal (PDLC) films are reported…”
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Holographic polymer-dispersed liquid crystals (H-PDLCs) by BUNNING, T. J, NATARAJAN, L. V, TONDIGLIA, V. P, SUTHERLAND, R. L

“…▪ Abstract  The formation of switchable holographic gratings from polymer-dispersed liquid crystals (H-PDLCs) allows for the development of switchable…”
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Electrically Switchable, One-Dimensional Polymeric Resonators from Holographic Photopolymerization: A New Approach for Active Photonic Bandgap Materials by Jakubiak, R., Bunning, T.J., Vaia, R.A., Natarajan, L.V., Tondiglia, V.P.

“…Stimulated emission is demonstrated by optically pumping chromophores within the liquid‐crystal domains of 1D bandgap structures that are derived from…”
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Morphology of reflection holograms formed in situ using polymer-dispersed liquid crystals by Bunning, T.J., Natarajan, L.V., Tondiglia, V.P., Sutherland, R.L., Vezie, D.L., Adams, W.W.

“…The morphology of a reflection grating formed using a polymer-dispersed liquid crystalline material system is examined using low-voltage high-resolution…”
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The Effect of Weak Polymer Stabilization on the Switching Properties of Cholesteric Liquid Crystals by Natarajan, L. V., Beckel, E. R., Tondiglia, V. P., Sutherland, R. L., White, T. J., Voss, J., Bunning, T. J.

“…We examine the differences in electro-optical behavior of weakly polymer stabilized cholesteric liquid crystals (PSCLC) when formed using either a flood lit UV…”
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Switchable orthorhombic F photonic crystals formed by holographic polymerization-induced phase separation of liquid crystal by Sutherland, Richard, Tondiglia, V, Natarajan, L, Chandra, S, Tomlin, D, Bunning, T

“…Electrically switchable photonic crystals are simply and rapidly formed by holographic polymerization-induced phase separation of liquid crystal from a…”
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Photochromic liquid crystalline cyclic siloxanes containing spiropyran groups by Natarajan, L. V, Bunning, T. J, Kim, S. Y

“…The effects of covalently incorporating a T-shaped photochromic spiropyran molecule With cholesterol and biphenyl-substituted mesogens to a cyclic siloxane…”
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Tunable two-photon pumped lasing using a holographic polymer-dispersed liquid-crystal grating as a distributed feedback element by He, Guang S., Lin, Tzu-Chau, Hsiao, Vincent K. S., Cartwright, Alexander N., Prasad, Paras N., Natarajan, L. V., Tondiglia, V. P., Jakubiak, R., Vaia, R. A., Bunning, T. J.

“…A holographic polymer-dispersed liquid-crystal (H-PDLC) grating film was employed as an angle-dependent and narrow spectral-band feedback control element for…”
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