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Holographic Grating Formation in Cationic Photopolymers with Dark Reaction

         

摘要

@@ We propose a new formula to describe the dynamics of holographic grating formation under low intensity pulse exposures in cationic photopolymers, in which the dark reaction contributes dominantly to the grating strength.The formula is based on the living polymerization mechanism and the diffusion-free approximation. The analytical solution indicates that the grating formation time depends on the termination rate constant, while the final grating strength depends linearly on the total exposure energy. These theoretical predictions are verified experimentally using the Aprilis HMC-400μm photopolymer. The results can provide guidelines for the control and optimization of the holographic recording conditions in practical applications.

著录项

  • 来源
    《中国物理快报:英文版》 |2006年第11期|2960-2963|共4页
  • 作者单位

    State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084;

    State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084;

    Department of Electrical Engineering, University of California, Santa Cruz, CA 95064, USA;

    State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084;

    State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084;

    State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084;

    State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084;

    State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 物理学;
  • 关键词

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