| K-F系统中的波前相位调制与光强调制的转换 |
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| 引用本文： | 张宇华.K-F系统中的波前相位调制与光强调制的转换[J].光学技术,2000,26(1):68-70. |
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| 作者姓名： | 张宇华 |
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| 作者单位： | 北京理工大学光电工程系!北京100081 |
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| 基金项目： | 国家自然科学基金!（K69687006） |
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| 摘 要： | 研究在由一薄片Ｋｅｒｒ 介质与一块二维反馈镜组成的非线性光学系统中光波前相位与光强的转换过程。根据基尔霍夫衍射定理，导出了单一模式以及小畸变近似条件下多个模式的相位－ 光强转换关系的方程。结果证明：通过衍射，入射波前相位各阶Ｚｅｒｎｉｋｅ 模式成分的大小转换为反馈光光强的非线性调制。
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| 关 键 词： | Kerr介质 波前相位 光强 Zernike模式 |
| 修稿时间： | 1999－04－21 |
On the transformation of phase modulation to light intensity modulation in K-F system |
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| ZHANG Yu hua,YAN Ji xiang,ZHAO Da zun.On the transformation of phase modulation to light intensity modulation in K-F system[J].Optical Technique,2000,26(1):68-70. |
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| Authors: | ZHANG Yu hua YAN Ji xiang ZHAO Da zun |
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| Abstract: | The transformation of phase modulation to light intensity modulation in the system that consists of a slice of Kerr medium and a 2 dimension feedback mirror is studied. The phase intensity modulation transformation equation for single Zernike mode and that for multiple Zernike modes under the hypothesis of little phase distortion of wavefront are derived based on Kirchhoff diffraction theory. It is proved that the light intensity is modulated by Zernike mode components of wavefront. |
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| Keywords: | Kerr medium wavefront phase light intensity Zernike mode |
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