Holographic grating recorded in photopolymer composed of photosensitive polymer binder

Dong Hoon Choi, Dejun Feng, Hanna Yoon, Suk Ho Choi

Research output: Contribution to journalConference article

6 Citations (Scopus)

Abstract

The diffraction gratings in novel photopolymer were fabricated by optical interference method. Holographic recording in new polymer layers can be applied for optical information storage. The hydrophilic and hydrophobic polymers are used with the monomer of acrylamide, which are well miscible with the sensitizing dye of yellow eosin and the charge transfer agent of triethanolamine. Addition of the crosslinking agent bisacrylamide stabilizes the formed structures against thermal and environmental relaxations. We compared the diffraction efficiencies of new polymer samples with that of the conventional photopolymer. Relatively high diffraction efficiency can be obtained from LPOMPP-02 series. The influence of the UV curing on the diffraction grating is also studied when the diffraction efficiency becomes stable. The diffraction efficiency under UV irradiation shows slight decrement and becomes stable at a lower value. The surface topographical change of the photopolymer layer was observed after irradiation of the two polarized lights. The actual periodicity of the surface relief grating is about 1.95-1.98 μm according to the AFM profiles close to the theoretical value of 1.92 μm.

Original languageEnglish
Pages (from-to)220-229
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4929
DOIs
Publication statusPublished - 2002 Sep 16
EventOptical Information Processing Technology 2002 - Shanghai, China
Duration: 2002 Oct 142002 Oct 18

Fingerprint

Photopolymer
Holographic gratings
Holographic Grating
Photopolymers
Diffraction Efficiency
photopolymers
Diffraction efficiency
Binders
Polymers
gratings
Diffraction Grating
Diffraction gratings
polymers
gratings (spectra)
diffraction
Irradiation
Triethanolamine
Light interference
sensitizing
Curing

Keywords

  • AFM
  • Dynamic behaviors
  • Holographic grating
  • Photopolymer
  • Two beam coupling
  • UV curing

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Holographic grating recorded in photopolymer composed of photosensitive polymer binder. / Choi, Dong Hoon; Feng, Dejun; Yoon, Hanna; Choi, Suk Ho.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 4929, 16.09.2002, p. 220-229.

Research output: Contribution to journalConference article

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AB - The diffraction gratings in novel photopolymer were fabricated by optical interference method. Holographic recording in new polymer layers can be applied for optical information storage. The hydrophilic and hydrophobic polymers are used with the monomer of acrylamide, which are well miscible with the sensitizing dye of yellow eosin and the charge transfer agent of triethanolamine. Addition of the crosslinking agent bisacrylamide stabilizes the formed structures against thermal and environmental relaxations. We compared the diffraction efficiencies of new polymer samples with that of the conventional photopolymer. Relatively high diffraction efficiency can be obtained from LPOMPP-02 series. The influence of the UV curing on the diffraction grating is also studied when the diffraction efficiency becomes stable. The diffraction efficiency under UV irradiation shows slight decrement and becomes stable at a lower value. The surface topographical change of the photopolymer layer was observed after irradiation of the two polarized lights. The actual periodicity of the surface relief grating is about 1.95-1.98 μm according to the AFM profiles close to the theoretical value of 1.92 μm.

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