Binary optics for elliptical Gaussian beam to circular flattop beam transformation

Yang Ji; JingJuan Zhang; Jingcong Wang; Chong Ma

doi:10.1117/12.251898

24 September 1996 Binary optics for elliptical Gaussian beam to circular flattop beam transformation

Yang Ji, JingJuan Zhang, Jingcong Wang, Chong Ma

Proceedings Volume 2886, Semiconductor Lasers II; (1996) https://doi.org/10.1117/12.251898
Event: Photonics China '96, 1996, Beijing, China

Abstract

A new algorithm, SAIO, is proposed to design the binary diffractive optical elements. It is very excellent for the design of two dimension optical transformation system. In this paper, we use SAIO algorithm to design and fabricate the 8-phase levels diffractive elements for converting the semiconductor diode laser elliptically Gaussian beam into circular uniform beam. The experimental results indicate that the output beam profile is consistent with the theoretical calculation. The measured energy transformation efficiency is about 88 percent.

Citation Download Citation

Yang Ji, JingJuan Zhang, Jingcong Wang, and Chong Ma "Binary optics for elliptical Gaussian beam to circular flattop beam transformation", Proc. SPIE 2886, Semiconductor Lasers II, (24 September 1996); https://doi.org/10.1117/12.251898

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