All-Fiber Laser With Intracavity Acousto-Optic Dynamic Mode Converter for Efficient Generation of Radially Polarized Cylindrical Vector Beams

被引：20
|
作者：
Carrion-Higueras, Leticia [1 ]
Alcusa-Saez, Erica P. [1 ]
Diez, Antonio [1 ]
Andres, Miguel V. [1 ]
机构：
[1] Univ Valencia, ICMUV, Dept Fis Aplicada, E-46100 Valencia, Spain
来源：
IEEE PHOTONICS JOURNAL | 2017年 / 9卷 / 01期
关键词：
Fiber laser; cylindrical vector beams (CVBs); radial polarization; OPTICAL-FIBERS; MICROSCOPY;
D O I：
10.1109/JPHOT.2016.2637566
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report an all-fiber laser that emits a radially polarized cylindrical vector beam (CVB) at 1 mu mbased on an intracavity acousto-optic mode converter. We efficiently generate the CVB, taking advantage of the acousto-optic coupling from the HE11 mode to the TM01 mode in a two-mode fiber. The laser can be switched from emitting a Gaussian-like beam to a radially polarized CVB. Radially polarized CVBs with modal and polarization purities > 98% and a maximum power of 65 mW were generated.
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页数：7
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