a simple laser-ccd diffraction spectrum analysis system has been developed the phase retrieving of the diffraction spectra has been employed to measure the surface form of the aspheric optics.
本文发展了一种激光-ccd衍射谱分析系统,利用衍射谱位相恢复方法测量非球面光学件的面形。
after studying the diffraction spectrum of non spherical particles, an ellipse particle diffraction model has been put fowerd.
通过对椭圆衍射谱的研究,提出在激光粒度分析中以椭圆谱代替球形颗粒谱。
methods of distinguishing the first order diffraction spectrum from other order one have been described in detail by observing half- widths, locations and intensities of the spectrum.