Longyang Cao, Mingming Zhang, Jiantai Dou, Jiang Zhao, Youyou Hu, Bo Li
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Controlled generation of order-switchable cylindrical vector beams from a Nd:YAG laser
We reported and demonstrated a solid-state laser to achieve controlled generation of order-switchable cylindrical vector beams (CVBs). In the cavity, a group of vortex wave plates (VWPs) with two quarter-wave plates between the VWPs was utilized to achieve mode conversion and order-switch of CVBs. By utilizing two VWPs of 1 st and 3 rd order, the 2 nd and 4 th order CVBs were obtained, with mode purities of 96.8% and 94.8%, and sloping efficiencies of 4.45% and 3.06%, respectively. Furthermore, by applying three VWPs of 1 st , 2 nd and 3 rd order, the mode-switchable Gaussian beam, 2 nd , 4 th and 6 th order CVBs were generated.
期刊介绍：
Chinese Optics Letters (COL) is an international journal aimed at the rapid dissemination of latest, important discoveries and inventions in all branches of optical science and technology. It is considered to be one of the most important journals in optics in China. It is collected by The Optical Society (OSA) Publishing Digital Library and also indexed by Science Citation Index (SCI), Engineering Index (EI), etc.
COL is distinguished by its short review period (~30 days) and publication period (~100 days).
With its debut in January 2003, COL is published monthly by Chinese Laser Press, and distributed by OSA outside of Chinese Mainland.
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