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【精选】相位恢复算法在量子关联衍射成像中的应用研究.pdf

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27 11 Vol. 27, No . 11 2007 11 ACT A OPT ICA SINICA November, 2007 : 2007) 1120757 相位恢复算法在量子关联衍射成像中的应用研究* 刘永峰 张明辉 沈 夏 魏 青 韩申生 ( , 201800) : , , X , , , , : ; ; ; : O 31. 2; O 36 : A Application of Phase R etrieval Algorithm to Quantum Correlated Diffraction Imaging Liu Y ongfeng Zhang Minghui Shen Xia Wei Qing Han Shensheng ( Shanghai Instit ute of Opt ics and Fin e Mechanics , the Chinese Academy of Scien ces , S han ghai 201800) Abstract: With our resear ch g oing deeply, quantum correlated diffraction imaging can be accomplished by use of classical thermal sour ce now, which indi cates its wi de appli cation in Xray and neutron diffracti on imaging The object transmission functions are successfully r etrieved fr om the lensless Fouri er transform frequency spectrums, which ar e obtained in experiment using incoherent light Using the err or r eduction alg orithm and the inputoutput algorithm integrated with over sampling theory, the amplitude distribution function of amplitudeonly obj ect and the phase distributi on function of pur ephase obj ect ar e r etriev ed successfully The influence of the noise of Fourier transform frequency spectrum in the experiment on the r etrieval r esult is also discussed Key words: quantum opti cs; quantum information; quantum corr elated diffraction imaging; phase r etriev al [ 1~ 3] 1 , , , [ ~ 8] , , , , , 1 , 10 Hz , , [ 9 ~ 13] , [ 1 , 15] , , , , ,
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