Thermally stable second-order nonlinear optical polymers

Dong Hoon Choi, Sangyup Song, Woong Sang Jahng, Taek Seung Lee, Soo Young Park, Nakjoong Kim

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Second-order nonlinear optical copolymers containing p-hydroxyphenyl maleimide (HPMI) or glycidylmethacrylate (GMA) as a comonomer were newly synthesized. Second-order nonlinear optical properties of the poled/cured films were investigated in terms of the second harmonic generation (SHG) and linear electro-optic (EO) coefficient measurement. SHG coefficient, d33 was found ranging from 22 pm/V to 45.5 pm/V at the fundamental wavelength of 1064 nm. EO coefficients, r33 were also measured at 632nm, and 830 nm, wavelength, which were significantly high. To prevent the molecular relaxation of poled polymer, thermal crosslink reaction was induced either using diisocyanate as a crosslinker or by virtue of self-crosslinking reaction between the side chains themselves. Temporal stabilities of second-order NLO coefficients of crosslinked polymer systems were proved much better than those of other side chain polymers.

Original languageEnglish
Pages (from-to)335-342
Number of pages8
JournalMolecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics
Volume15
Issue number1-4
Publication statusPublished - 1996 Jan 1
Externally publishedYes

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Polymers
Electrooptical effects
Harmonic generation
polymers
coefficients
electro-optics
Wavelength
harmonic generations
diisocyanates
Crosslinking
crosslinking
molecular relaxation
Copolymers
Optical properties
wavelengths
copolymers
optical properties
maleimide
Hot Temperature

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Condensed Matter Physics

Cite this

Thermally stable second-order nonlinear optical polymers. / Choi, Dong Hoon; Song, Sangyup; Sang Jahng, Woong; Lee, Taek Seung; Park, Soo Young; Kim, Nakjoong.

In: Molecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics, Vol. 15, No. 1-4, 01.01.1996, p. 335-342.

Research output: Contribution to journalArticle

Choi, Dong Hoon ; Song, Sangyup ; Sang Jahng, Woong ; Lee, Taek Seung ; Park, Soo Young ; Kim, Nakjoong. / Thermally stable second-order nonlinear optical polymers. In: Molecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics. 1996 ; Vol. 15, No. 1-4. pp. 335-342.
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