Journal
IEEE PHOTONICS JOURNAL
Volume 9, Issue 1, Pages -Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPHOT.2016.2637566
Keywords
Fiber laser; cylindrical vector beams (CVBs); radial polarization
Funding
- Ministerio de Economia y Competitividad of Spain
- FEDER [TEC2013-46643-C2-1-R]
- Generalitat Valenciana [PROMETEOII /2014/072]
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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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