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《Applied Laser》 1987-02
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Fresnel Number and Focusing Property of Gaussian Beam

Qiu Jinhui (Department of Laser,Fujian Normal University)  
The relations between the Fresnel number of a Gaussian beam and the parameters of the focusing Gaussian beam are analysed in this paper.And a simple method of design is given.
【Fund】: 福建省自然科学基金
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