Synthesis and terahertz-wave generation of mixed crystals composed of 1-methyl-4-{2-[4-(dimethylamino)phenyl]ethenyl}pyridinium p-toluenesulfonate and p-chlorobenzenesulfonate

Takeshi Matsukawa, Yoshihiro Mineno, Toru Odani, Shuji Okada, Tetsuo Taniuchi, Hachiro Nakanishi

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

1-Methyl-4-{2-[4-(dimethylamino)phenyl]ethenyl}pyridinium p-toluenesulfonate and p-chlorobenezenesulfonate (DAST and DASC) have excellent second-order nonlinear optical properties, and they can generate high-power and broadband terahertz waves by difference frequency generation. However, the output power becomes weak at some frequencies where inherent absorption of crystals exists. Thus, we prepared mixed crystals of DAST and DASC since their crystals are isomorphous. Properties of mixed crystals were almost an average of DAST and DASC, and the minimum terahertz-wave generation intensities could be increased especially in the region where the absorption peak positions were different between two compounds.

Original languageEnglish
Pages (from-to)344-348
Number of pages5
JournalJournal of Crystal Growth
Volume299
Issue number2
DOIs
Publication statusPublished - 2007 Feb 15

Keywords

  • A2. Growth from solutions
  • A2. Single-crystal growth
  • B1. Aromatic compounds
  • B1. Organic compounds
  • B2. Nonlinear optical materials
  • B3. Terahertz-wave generators

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Inorganic Chemistry
  • Materials Chemistry

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