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27 August 1999 Binary optical resonator design for super-Gaussian beam output
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Abstract
A laser beam with uniform intensity and plain phase is advantageous for many applications. Based on diffractive theory, a binary optical resonator was developed according to phase-conjugate principle in this paper. Replacing the sphere mirror of a semiconfocal resonator with a 16 levels binary optical mirror, having square aperture, a square- cross-section 10th order super-Gaussian bema is designed as the eigenmode of the new resonator. A few different original beam distributions mirror can select the desired beam profile or not. THe resulting square-cross-section 10th order super-Gaussian fundamental mode reproduced itself after some roundtrips in the laser resonator successfully and the other modes were attenuated.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sitao Li, Zhixia Guo, Jiaxiong Ye, Ruan Yu, Qiyang Xu, and Guoping Zhang "Binary optical resonator design for super-Gaussian beam output", Proc. SPIE 3737, Design and Engineering of Optical Systems II, (27 August 1999); https://doi.org/10.1117/12.360044
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