| Evanescent Waves and Energy Conservation |
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| 引用本文： | CAO Qing, DENG Ximing (National Laboratory on High Power Laser and Physics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China). Evanescent Waves and Energy Conservation[J]. Chinese Journal of Lasers, 1996, 5(5): 439-443 |
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| 作者姓名： | CAO Qing DENG Ximing (National Laboratory on High Power Laser and Physics Shanghai Institute of Optics and Fine Mechanics Chinese Academy of Sciences Shanghai 201800 China) |
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| 作者单位： | National Laboratory on High Power Laser and Physics，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Shanghai 201800，China |
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| 基金项目： | Supported by the Foundation of the National High-Technology 863-416. |
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| 摘 要： | ＥｖａｎｅｓｃｅｎｔＷａｖｅｓａｎｄＥｎｅｒｇｙＣｏｎｓｅｒｖａｔｉｏｎＣＡＯＱｉｎｇ；ＤＥＮＧＸｉｍｉｎｇ（ＮａｔｉｏｎａｌＬａｂｏｒａｔｏｒｙｏｎＨｉｇｈＰｏｗｅｒＬａｓｅｒａｎｄＰｈｙｓｉｃｓ，ＳｈａｎｇｈａｉＩｎｓｔｉｔｕｔｅｏｆＯｐｔｉｃｓ...
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| 收稿时间： | 1995-12-08 |
Evanescent Waves and Energy Conservation |
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| CAO Qing, DENG Ximing. Evanescent Waves and Energy Conservation[J]. 中国激光(英文版), 1996, 5(5): 439-443 |
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| Authors: | CAO Qing DENG Ximing |
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| Abstract: | Employing the Fourier transform method, the inconsistency between the trsditional definition of the light intensity 48 (where is the amplitude) in the scalar field theory and the Helmholtz wave equation is proved. The inconsistency means that "the evanescent waves can make the energy conservation law broken". The consistency between the accurate formula of the light intensity in the transverse plane (where kL is the phase) and the Helmholtz wave equation is also proved. Based on these results, the characteristics that the evanescent waves can't make energy flow is pointed out. |
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| Keywords: | evanescent wave energy conservation law |
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