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| 高频高频射效率H—PDLC体全息光栅的研究 |
| The study of H-PDLC volume holographic grating with high diffraction efficiency |
| 修订日期:2002-02-15 |
| DOI: |
| 中文关键词: 体全息光栅,聚合物分散液晶,衍射效率 |
| 英文关键词:volume holographic grating,polymer dispersed liquid crystal,diffraction efficiency |
| 基金项目: |
| 顾玲娟 郑继红 等 |
上海理工大学光电学院 上海200093
(顾玲娟,郑继红,陈刚) ,上海理工大学光电学院 上海200093(庄松林)
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| 中文摘要: |
| H- PDLC体全息光栅可使光栅的衍射能量集中到非零级的衍射级次上 ,大大提高衍射效率。实验表明 ,不同的材料配方比例、干涉光夹角、PDLC的膜厚、曝光时间均对H- PDLC体全息光栅的衍射效率产生影响 |
| 英文摘要: |
| H PDLC volume holographic grating has much higher diffraction efficiency than normal grating, because it can focus the diffraction light to the non zero band. We have conducted some experiments to investigate the major factors which impact the diffraction efficiency of grating, namely different recipes of PDLC, the degree of two laser beams, thickness of film, exposing time of PDLC cells. |
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