本文推导了在全息光学元件上细光束象散计算的全套公式。
In this paper a series of formulas for calculation of astigmatism formed by tiny light beam on a HOE plate have been derived.
本文介绍了一种用激光细光束测量平行平面板折射率的新方法，并分析计算了入射角、平板厚度及光束位移量的误差对折射率测量精度的影响。
A new measurement method of refractive index of plane-parallel plate has been introduced in this paper, which is performed by thin laser beam.
为了获取长距离超细激光束，采用几何能量守恒法设计出一种衍射光学元件，推导出高斯光入射时衍射光学元件位相函数。
The geometric law of energy conservation is utilized in designing diffraction optical component and evaluating the phase function of diffraction optical component with Gauss beams input.
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