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Preparation and Holographic Recording of Fluorescent Photopolymer Films Containing Anthracene Polymer for Security
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  • Preparation and Holographic Recording of Fluorescent Photopolymer Films Containing Anthracene Polymer for Security
  • Preparation and Holographic Recording of Fluorescent Photopolymer Films Containing Anthracene Polymer for Security
저자명
Park. Tea-Hoon,Kim. Yoon-Jung,Kim. Jeong-Hun,Kim. Eun-Kyoung
간행물명
Journal of the Optical Society of Korea
권/호정보
2010년|14권 4호|pp.305-309 (5 pages)
발행정보
한국광학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Photopolymer films containing fluorescent anthracene polymer, polymethyleneanthracene (PMAn), were prepared with different concentrations of PMAn for holographic recording useful for security documents. The fluorescent photopolymer film showed enhanced fluorescent intensity due to the micro-separation which arose from grating formation and diffusion during photopolymerization. Experimental values of diffraction efficiency were well matched to the simulated values for photopolymers having different PMAn concentrations. Holography patterning was carried out using the fluorescent photopolymer under a photo-mask. A grating was confirmed using microscope techniques in the recorded area under the pattern. Importantly the recorded area showed enhanced fluorescence compared to the unrecorded part, allowing fluorescence patterns at micro scale along with the submicron grating pattern. The fluorescence pattern recorded on the photopolymer film provides additional readability of holographic reading and thus is useful for secure recording and reading of information.