Second harmonic generation and crystal growth of chalcone derivatives.

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Other Title
  • カルコン誘導体の第２高調波発生と結晶育成
  • カルコン ユウドウタイ ノ ダイ 2 コウチョウハ ハッセイ ト ケッショウ

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Description

The second harmonic generation (SHG) of 55 various substituted chalcones which are quite different from nitroaniline derivatives was studied. A series of chalcones having an alkoxy group, an alkylthio group and a halogen showed relatively high SHG activity and high blue-region transparency. A single crystal with dimensions of up to 45×15×15mm of 4-ethoxy-4′-methoxychalcone was obtained from the solution. The crystal structure was determined to be orthorhombic, Pna21. Molecular long axes lay nearly parallel along to the crystallographic c axis. The cutoff wavelength of the crystal was 430 nm. The effective nonlinear optical susceptibilities, deff, Type I and deff, Type II were determined to be 4.2 pm/V and 6.5 pm/V, respectively.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 47 (10), 791-799, 1990

    The Society of Polymer Science, Japan

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