A method of fabricating rough surfaces of known statistical parameters by exposing the photoresist to laser speckle patterns is analysed in this paper. 分析了用光刻膠記錄激光散斑來(lái)制作粗糙度參數可控表面的方法，并成功地制作了一批樣品。
In this paper, Annular aperture cone glass shearing laser speckle photography used for measuring the derivatives of displacements is proposed for the first time. 研制了環(huán)形孔徑錐鏡剪切相機，并利用它進(jìn)行激光散斑照相，測量物體的位移導數場(chǎng)。
