TIGHT FOCUSING PROPERTIES OF PHASE MODULATED AZIMUTHALLY POLARIZED DOUGHNUT GAUSSIAN VORTEX BEAM BY HIGH NA PARABOLIC MIRROR

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DC Field	Value	Language
dc.contributor.author	Umamageswari, N	-
dc.contributor.author	Lavanya, M	-
dc.contributor.author	Udhayakumar, M	-
dc.contributor.author	Rajesh, K. B.	-
dc.contributor.author	Zaroszewicz, Z	-
dc.date.accessioned	2024-11-09T07:33:09Z	-
dc.date.available	2024-11-09T07:33:09Z	-
dc.date.issued	2020	-
dc.identifier.uri	https://doi.org/10.1016/j.matpr.2019.07.209	-
dc.description.abstract	The intensity distribution in the focal region of a high NA parabolic mirror for the incident azimuthally polarized doughnut Gaussian vortex beam (DGVB) transmitted through a multi belt complex phase filter (MBCF) is studied using vector diffraction theory. By properly designing the phase of the incident beam using MBCF and by tuning the beam parameters of a DGVB, it is possible to switch the focal spot with sub wavelength dimension and long focal depth in to multiple focal spots suitable for particle acceleration, atom optical experiments, and near-field scanning optical microscopy.	en_US
dc.language.iso	en_US	en_US
dc.publisher	Elsevier B.V	en_US
dc.title	TIGHT FOCUSING PROPERTIES OF PHASE MODULATED AZIMUTHALLY POLARIZED DOUGHNUT GAUSSIAN VORTEX BEAM BY HIGH NA PARABOLIC MIRROR	en_US
dc.type	Other	en_US
Appears in Collections:	Conference Paper

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