Search Results - "John Kiran, A."

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  1. 1

    Third order nonlinear optical properties and optical limiting in donor/acceptor substituted 4/-methoxy chalcone derivatives by RAVINDRA, H. J, JOHN KIRAN, A, CHANDRASEKHARAN, K, SHASHIKALA, H. D, DHARMAPRAKASH, S. M

    Published in Applied physics. B, Lasers and optics (01-06-2007)
    “…The third order nonlinear optical properties of 4'-methoxy chalcone and its derivatives have been investigated using a single-beam Z-scan technique with…”
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    Journal Article
  2. 2

    Synthesis, crystal growth and characterization of a phase matchable nonlinear optical single crystal: p-chloro dibenzylideneacetone by Ravindra, H.J., John Kiran, A., Nooji, Satheesha Rai, Dharmaprakash, S.M., Chandrasekharan, K., Kalluraya, Balakrishna, Rotermund, Fabian

    Published in Journal of crystal growth (01-05-2008)
    “…Good quality single crystals of p-chloro dibenzylideneacetone (CDBA) of size 13 mm×8 mm×2 mm were grown by slow evaporation solution growth technique. The…”
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    Journal Article
  3. 3

    Nonlinear optical studies of 1-3-diaryl-propenones containing 4-methylthiophenyl moieties by John Kiran, A., Mithun, Ashok, Shivarama Holla, B., Shashikala, H.D., Umesh, G., Chandrasekharan, K.

    Published in Optics communications (01-01-2007)
    “…The third-order nonlinear optical properties of chalcone derivatives have been studied using the single beam Z-scan technique. The dependence of χ(3) on…”
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    Journal Article
  4. 4

    Third-order nonlinear optical studies of newly synthesized polyoxadiazoles containing 3,4-dialkoxythiophenes by Udayakumar, D., John Kiran, A., Adhikari, A. Vasudeva, Chandrasekharan, K., Umesh, G., Shashikala, H.D.

    Published in Chemical physics (11-12-2006)
    “…The third-order nonlinear optical properties of newly synthesized soluble polyoxadiazoles containing 3,4-dialkoxythiophenes were investigated by using Z-scan…”
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    Journal Article
  5. 5

    Growth and characterization of an efficient nonlinear optical D–π–A–π–D type chalcone single crystal by Ravindra, H.J., Kiran, A. John, Dharmaprakash, S.M., Satheesh Rai, N., Chandrasekharan, K., Kalluraya, B., Rotermund, F.

    Published in Journal of crystal growth (15-08-2008)
    “…A chalcone molecule, p-methoxy dibenzylideneacetone (PDBA), with molecular formula C 19H 18O 3 having D–π–A–π–D type, lambda (Λ)-shape structure has been…”
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    Journal Article
  6. 6

    Designing novel chalcone single crystals with ultrafast nonlinear optical responses and large multi-photon absorption coefficients by Kiran, A. John, Lee, H.W., Ravindra, H.J., Dharmaprakash, S.M., Kim, K., Lim, H., Rotermund, F.

    Published in Current applied physics (01-09-2010)
    “…A chalcone single crystal, 1-(4-chlorophenyl)-3-(4-methoxyphenyl)prop-2-en-1-one that is transparent over the visible to infrared region is introduced as a new…”
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    Journal Article
  7. 7

    Synthesis and nonlinear optical characterization of copolymers containing alternating 3,4-dialkoxythiophene and (1,3,4-oxadiazolyl)benzene units by Udayakumar, D, Kiran, A. John, Adhikari, A.V, Chandrasekharan, K, Shashikala, H.D

    Published in Journal of applied polymer science (05-12-2007)
    “…We report the synthesis and linear and third-order nonlinear optical (NLO) characterization of two novel copolymers containing alternating…”
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    Journal Article
  8. 8

    Nonlinear optical studies of a newly synthesized copolymer containing oxadiazole and substituted thiophenes by John Kiran, A., Udayakumar, D., Chandrasekharan, K., Ahdikari, A.V., Shashikala, H.D., Philip, Reji

    Published in Optics communications (01-03-2007)
    “…We investigated the third-order nonlinear optical properties of a newly synthesized soluble copolymer containing oxadiazole and thiophene units using Z-scan…”
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    Journal Article
  9. 9

    Superior characteristics of organic chalcone single crystals as efficient nonlinear optical material by Kiran, A. John, Kim, H. C., Kim, K., Rotermund, F., Ravindra, H. J., Dharmaprakash, S. M., Lim, H.

    Published in Applied physics letters (17-03-2008)
    “…High-quality biaxial single crystals of chalcone derivatives were grown by solution growth technique. Their molecular structures were designed to possess large…”
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    Journal Article
  10. 10

    χ (3) measurements and optical limiting in dibenzylideneacetone and its derivatives by Kiran, A. John, Chandrasekharan, K., Nooji, Satheesh Rai, Shashikala, H.D., Umesh, G., Kalluraya, Balakrishna

    Published in Chemical physics (31-05-2006)
    “…We investigated the third order nonlinear optical properties of dibenzylidene acetone (1,5-diphenyl-1, 4-pentadeine-3-one) and its derivatives. The nonlinear…”
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    Journal Article
  11. 11

    Nonlinear optical properties of p-( N, N-dimethylamino)dibenzylideneacetone doped polymer by Kiran, A. John, Satheesh Rai, Nooji, Udayakumar, D., Chandrasekharan, K., Kalluraya, B., Philip, Reji, Shashikala, H.D., Adhikari, A.V.

    Published in Materials research bulletin (04-03-2008)
    “…A bis-chalcone derivative, p-( N, N-dimethylamino) dibenzylideneacetone was synthesized. Its third-order nonlinear susceptibility was determined to be as high…”
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    Journal Article
  12. 12

    Ultrafast optical response of a new metal organic complex-polymer composite film by Kiran, A.J., Lee, H.W., Kumar, H., Rudresha, B.J., Bhat, B.R., Yeom, D.-I., Rotermund, F.

    “…A new Cu-based metal organic complex incorporated into poly (methyl mathacrylate) film exhibits large and fast offresonant optical nonlinearity in the 800 to…”
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    Conference Proceeding
  13. 13

    Design of new organic single crystals for ultrafast optical applications by Kiran, A.J., Lee, H.W., Ravindra, H.J., Dharmaprakash, S.M., Kim, K., Lim, H., Rotermund, F.

    “…A new chalcone crystal designed with suitable functional groups exhibits ultrafast response (<90 fs) and very large two-photon absorption (2PA) (beta > 8…”
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    Conference Proceeding