Large astigmatic laser cavity modes and astigmatic compensation

T. D. Huang, T. H. Lu*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

4 引文 斯高帕斯(Scopus)

摘要

In this paper, it was experimentally verified that anisotropic (astigmatic) Hermite–Gaussian modes can be generated from a hemi-cylindrical cavity and can be transformed into Laguerre–Gaussian modes by using an extra-cavity plano-convex cylindrical lens which can modify different beam divergence angle in the x–z and y–z planes. By controlling the off-axis pumping and the angle of the extra-cavity cylindrical lens, a variation in laser patterns was observed. Moreover, several additional relationships under different conditions have been analyzed. All experimental results corresponding to the theoretical analysis, and the role of the hemi-cylindrical cavity can be completely understood by comparing the theoretical and experimental results.

原文英語
文章編號72
期刊Applied Physics B: Lasers and Optics
124
發行號5
DOIs
出版狀態已發佈 - 2018 五月 1

ASJC Scopus subject areas

  • 物理與天文學(雜項)
  • 物理與天文學 (全部)

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