Design the diffractive optical element with large diffraction angle

Hui Pang; Shaoyun Yin; Guoxing Zheng; Qiling Deng; Lifang Shi; Chunlei Du

doi:10.1117/12.2073315

11 November 2014 Design the diffractive optical element with large diffraction angle

Hui Pang, Shaoyun Yin, Guoxing Zheng, Qiling Deng, Lifang Shi, Chunlei Du

Proceedings Volume 9271, Holography, Diffractive Optics, and Applications VI; 92711M (2014) https://doi.org/10.1117/12.2073315
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

In this paper, a quite effective method is proposed for designing the diffractive optical element (DOE) to generate a pattern with large diffraction angle. Through analyze the difference between the non-paraxial Rayleigh Sommerfeld integral and the paraxial Fraunhofer diffraction integral, we modify the desired output intensity distribution with coordinate transformation and intensity adjustment. Then the paraxial Fraunhofer diffraction integral can be used to design the DOE, which adopts the fast-Fourier-transform (FFT) algorithm to accelerate the computation. To verify our method, the simulation and the experiments are taken. And the result shows that our method can effectively rectify the pillow distortion and can achieve the exact diffraction angle.

Citation Download Citation

Hui Pang, Shaoyun Yin, Guoxing Zheng, Qiling Deng, Lifang Shi, and Chunlei Du "Design the diffractive optical element with large diffraction angle", Proc. SPIE 9271, Holography, Diffractive Optics, and Applications VI, 92711M (11 November 2014); https://doi.org/10.1117/12.2073315

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