Reverse saturable absorption studies in polymerized indole - Effect of polymerization in the phenomenal enhancement of third order optical nonlinearity
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- 作者：K. Jayakrishnana ; ; Antony Josephb ; Jayakrishnan Bhattathiripadc ; M.T. Ramesanc ; K. Chandrasekharand ; N.K. Siji Narendrand
- 关键词：Polyindole ; Polymerization ; Conjugation ; Photoluminescence ; Two-photon absorption ; Reverse saturable absorption ; Optical limiting ; Four wave mixing
- 刊名：Optical Materials
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：54
- 期：Complete
- 页码：252-261
- 全文大小：2858 K
文摘
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Poluindole was synthesized via in-situ polymerization of indole monomer.
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Polyindole displays visible band luminescence emission with distinct peaks.
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At 0.83 GW/cm2 intensity, reverse saturable absorption is observed with 7 ns, 532 nm Gaussian laser pulses.
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Optical limiting threshold and figure of merit of the compound is estimated to be 0.6 GW/cm2 and 4.37 × 10−12 esu cm respectively.
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