2021
DOI: 10.3788/irla20200463
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涡旋光束制备及其在惯性测量领域的研究进展(特邀)

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“…Vortex beams are a new type of structured optical field carrying orbital angular momentum (OAM) and having a helical wave vibration surface [173] Since 1992, when Allen L et al used a column lens to convert for the first time a fundamental-mode gaussian beam into a higher-order gaussian beam carrying orbital angular momentum, [174] spiral phase sheets or spatial light modulators have been the main tools to realize the conversion of vortex beams. Conventional schemes for generating or detecting vortex beams require a large number of optical components and large and complex optical paths limit the use of these beams.…”
Section: Vortex Beamsmentioning
confidence: 99%
“…Vortex beams are a new type of structured optical field carrying orbital angular momentum (OAM) and having a helical wave vibration surface [173] Since 1992, when Allen L et al used a column lens to convert for the first time a fundamental-mode gaussian beam into a higher-order gaussian beam carrying orbital angular momentum, [174] spiral phase sheets or spatial light modulators have been the main tools to realize the conversion of vortex beams. Conventional schemes for generating or detecting vortex beams require a large number of optical components and large and complex optical paths limit the use of these beams.…”
Section: Vortex Beamsmentioning
confidence: 99%