Search Results - "N K, SIJI NARENDRAN"

D-A conjugated polymers containing substituted thiophene, 1,3,4-oxadiazole and non-conjugation linkers: Synthesis and study of optical and electrochemical properties by K R, PRASHANTH KUMAR, D, UDAYAKUMAR, N K, SIJI NARENDRAN, K, CHANDRASEKHARAN, SRIVASTAVA, RITU

“…In this communication, we report synthesis and characterization of new D-A conjugated polymers (P1-P3 ) consisting of electron-donating (D)…”
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Third-order nonlinear optical investigations of meso-tetrakis(2,3,5,6-tetrafluoro-N,N-dimethyl-4-anilinyl)porphyrin and its metal complexes by Siji Narendran, N.K., Soman, Rahul, Arunkumar, Chellaiah, Chandrasekharan, K.

“…[Display omitted] •We examined the third order NLO properties of a series of metallo porphyrins.•Techniques used were Z-scan and degenerate four wave…”
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Third-order nonlinear optical responses in derivatives of phenylhydrazone by Z-scan and optical limiting studies-influence of noble metal nanoparticles by Sudheesh, P., Siji Narendran, N.K., Chandrasekharan, K.

“…•The third-order NLO responses new phenylhydrazone derivatives were studied.•Metal nanoparticles were prepared by laser ablation technique.•Metal nanoparticles…”
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Pyrazines with terminal donor groups for third-order nonlinear optics: effect of graphene oxide on nonlinear absorption by Shiju, E, Siji Narendran, N K, Thomas, Sheenu, Pannipara, Mehboobali, Al-Sehemi, Abdullah G, Narayana Rao, D

“…We report nonlinear optical (NLO) investigations of few pyrazines with terminal donor groups and the influence of graphene oxide (GO) on their nonlinear…”
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Enhanced nonlinear absorption and efficient power limiting action of Au/Ag@ graphite core-shell nanostructure synthesized by laser ablation by E, Shiju, N K, Siji Narendran, D, Narayana Rao, K, Chandrasekharan

“…Here we report a drastic enhancement of nonlinear absorption behaviour and exceptional optical limiting action of two core-shell systems (Au@graphite and…”
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Silver Nanoparticles under Nanosecond Pulsed Laser Excitation as an Intensity Sensitive Saturable Absorption to Reverse Saturable Absorption Switching Material by Shiju, Edappadikkunnummal, Sharafudeen, Kaniyarakkal, Remya, T. M., Siji Narendran, N. K., Sudheesh, Palengara, Sadasivan Nair, Vijayakumar

“…Optical nonlinearity involved switching draws an important consideration in nonlinear optical studies. Based on that, we explored nonlinear absorption…”
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Optical diode activity in an axially asymmetric nonlinear medium incorporated with phenothiazine and silver nanoparticles by Shiju, E., Bharat, Mishra, Siji Narendran, N.K., Narayana Rao, D., Chandrasekharan, K.

“…In order to overcome the limitations posed by electronic devices, and to fulfill the need for optical elements in integrated photonic circuits, it is crucial…”
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Ultrafast and short pulse optical nonlinearities of meso-tetrakis-(2,3,5,6-tetrafluoro-N,N,N-trimethyl-4-aniliniumyl) porphyrin and its metal complexes by Siji Narendran, N.K., Soman, Rahul, Sankar, Pranitha, Arunkumar, Chellaiah, Chandrasekharan, K.

“…[Display omitted] •We examined the third order NLO properties of a series of metallo porphyrins by Z scan (ns and fs) and DFWM (ns).•The χ(3) values are found…”
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Excited state absorption assisted optical limiting action of Fe decorated γ-BBO nanorods by Babeela, C., Narendran, N.K. Siji, Pannipara, Mehboobali, Al-Sehemi, Abdullah G., Sabari Girisun, T.C.

“…Excited state absorption (ESA) assisted optical limiting behavior of hydrothermally prepared Fe decorated γ-Barium Borate (BBO) with three different…”
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Reverse saturable absorption studies in polymerized indole – Effect of polymerization in the phenomenal enhancement of third order optical nonlinearity by Jayakrishnan, K., Joseph, Antony, Bhattathiripad, Jayakrishnan, Ramesan, M.T., Chandrasekharan, K., Siji Narendran, N.K.

“…[Display omitted] •Poluindole was synthesized via in-situ polymerization of indole monomer.•Polyindole displays visible band luminescence emission with…”
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Synthesis, z-scan and degenerate four wave mixing characterization of certain functionalized photosensitive polyesters containing ortho-hydroxyazo chromophores by Jayakrishnan, K., Siji Narendran, N.K., Sreejith, P., Joseph, Antony, Chandrasekharan, K., Purushothaman, E.

“…The preparation and NLO characterization of photosensitive polyesters containing azoaromatic residues in the molecular backbone, functionalized with…”
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Donor-acceptor substituted thiophene dyes for enhanced nonlinear optical limiting by Anandan, S., Manoharan, S., Narendran, N.K. Siji, Girisun, T.C. Sabari, Asiri, A.M.

“…Designed, synthesized and characterized here two thiophene dyes 3-(4-(diethylamino)phenyl)-2-(thiophen-2-yl)acrylonitrile (ET),…”
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Synthesis, Z-Scan and Degenerate Four Wave Mixing characterization of certain novel thiocoumarin derivatives for third order nonlinear optical applications by Jayakrishnan, K., Joseph, Antony, Mathew, Paulson, Siji, T.B., Chandrasekharan, K., Narendran, N.K. Siji, Jaseela, M.A., Muraleedharan, K.

“…The third order nonlinear optical features of certain novel thiocoumarin derivatives have been studied. Single beam Z-scan study on these compounds reveals…”
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DFWM Measurements on Mn-(meso-tetrakis(2,3,5,6-tetrafluoro-N,N,N-trimethyl-4-aniliniumyl)porphyrin) complex by Siji Narendran, N K, Ajina, C, Soman, Rahul, Arunkumar, Chellaiah, Chandrasekharan, K

“…The third -order nonlinear optical studies of a Mn-Porphyrin complex using degenerate fourwave mixing has been done. Samples were prepared using standard…”
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