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QUANTITATIVE DIFFERENTIAL INTERFERENCE CONTRAST (DIC) MICROSCOPY AND PHOTOGRAPHY BASED ON WAVEFRONT SENSORS
QUANTITATIVE DIFFERENTIAL INTERFERENCE CONTRAST (DIC) MICROSCOPY AND PHOTOGRAPHY BASED ON WAVEFRONT SENSORS
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机译:基于WAVEFRONT传感器的定量微分干涉对比度(DIC)显微照片和照相
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摘要
A wavefront microscope or camera utilizes a wavefront sensor to measure the local intensity and phase gradient of the wavefront and output image maps based on the intensity and phase gradient. A wavefront sensor provides a metal film having patterned structured two dimensional (2D) apertures that convert a phase gradient of a wavefront into a measurable form onto a photodetector array. A computer is used to analyze the data by separating signals projected and recorded on the array from the different apertures, predict a center of each projection, and sum signals for each projection to display the intensity while determining a center position change/offset from the predicted center to display the phase gradient of the wavefront.
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