Transformation of top-hat distribution from Gaussian laser beam using a kinoform

Shiyuan Yang; Seiichi Serikawa

doi:10.1117/12.2071171

11 November 2014 Transformation of top-hat distribution from Gaussian laser beam using a kinoform

Shiyuan Yang, Seiichi Serikawa

Proceedings Volume 9271, Holography, Diffractive Optics, and Applications VI; 92710N (2014) https://doi.org/10.1117/12.2071171
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

A new method is suggested to transform a Gaussian laser beam to a Top-hat distribution using a kinoform. An iterative dummy area method is used to uniform the distribution in the top region of the Top-hat distribution for the design of the kinoform. Simulation results show that a plane-wave-neared Top-hat distribution can be obtained. In addition, the quality dependence of Top-hat distribution is also simulated on the relationship between the Gaussian radius and the size of the kinoform.

Citation Download Citation

Shiyuan Yang and Seiichi Serikawa "Transformation of top-hat distribution from Gaussian laser beam using a kinoform", Proc. SPIE 9271, Holography, Diffractive Optics, and Applications VI, 92710N (11 November 2014); https://doi.org/10.1117/12.2071171

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KEYWORDS

Computer generated holography

Gaussian beams

Computer simulations

Fourier transforms

Laser marking

Beam shaping

Laser applications

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