【摘要】 基于光谱相位相干直接电场重建法(SPIDER)原理,提出采用小波变换和傅里叶变换两种算法互校的方式,确定小波变换法的形状因子和傅里叶变换法的滤波窗口宽度,当两种算法的还原结果一致时,就实现了SPIDER的准确相位还原。通过自制的SPIDER测量仪和自编的SPIDER相位还原软件,实现了对复杂相位的准确还原。更多还原

【Abstract】 Based on the principle of spectral phase interferometry for direct electric-field reconstruction(SPIDER),a reliable phase reconstruction method which uses the mutual calibration between wavelet transform and Fourier transform is given.It eliminates the error caused by the uncertain parameters in the respective methods.更多还原