The reflected light intensity distribution of the laser beam illuminating the surface of a specimen will broaden as the surface roughness increases.

照射在样品表面的激光束随着表面粗糙度的不同，反射光密度分布将不同；表面粗糙度增大时，反射光密度将被扩展。

youdao

Based on ASTF the influence of such parameters as tip-sample distance, tip aperture diameter and the incident Angle of illuminating laser beam on PSTM image has been discussed.

进一步根据角谱传递函数计算了不同样品的光子扫描隧道显微镜理论图像，分析了探针与样品的间距、探针孔径大小、照明光入射角等对光子扫描隧道显微镜成像的影响。

youdao

Volume holographic grating, used as a volume holographic imaging lens in the imaging system, is recorded via illuminating the recording medium with a spherical signal beam and a plane reference beam.

体全息光栅由球面信号光波和平面参考光波干涉记录，并以原信号光作为探测光波进行成像。

youdao