Electrical control of shape of laser beam using axially symmetric liquid crystal cells

Shih Wei Ko, Tsung Hsien Lin, Yao Han Huang, Hung Chang Jau, Shu Chun Chu, Yan Yu Chen, Andy Y.G. Fuh

研究成果: Article同行評審

9 引文 斯高帕斯(Scopus)

摘要

This work demonstrates the electrical tuning of laser beam shape using an axially symmetric dye-dope liquid crystal (ASDDLC) device that is fabricated using a photo-alignment method. Various beam shapes can be obtained by linearly polarized Gaussian laser beams through an ASDDLC device under various applied voltages. The far-field intensity patterns generated by laser beams of selected shapes under various applied voltages are simulated, and the results are consistent with experiment. A rotatable petalshaped beam is obtained by controlling the polarization of the output donut-shaped beam. The tenability of beam shape of light with a wavelength of 1064 nm, which is commonly used in biomedical applications, is also demonstrated.

原文English
頁(從 - 到)1540-1545
頁數6
期刊Applied optics
51
發行號10
DOIs
出版狀態Published - 2012 4月 1

All Science Journal Classification (ASJC) codes

  • 原子與分子物理與光學
  • 工程(雜項)
  • 電氣與電子工程

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