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dc.contributor.authorThiruarul D-
dc.contributor.authorRajesh K B-
dc.contributor.authorLavanya M-
dc.contributor.authorMahadevan G-
dc.contributor.authorDhayalan, Velauthapillai-
dc.contributor.authorJaroszewicz Z-
dc.date.accessioned2023-06-22T06:29:20Z-
dc.date.available2023-06-22T06:29:20Z-
dc.date.issued2020-08-29-
dc.identifier.urihttp://localhost:8080/xmlui/handle/123456789/3123-
dc.description.abstractThe tight focusing properties of an azimuthally polarized Bessel Gaussian beam phase modulated by annular Walsh function filter is studied numerically by vector diffraction theory. It is observed that upon suitable optimization of order and annular obstruction ratio of an annular Walsh function filter, one can generate multiple sub wavelength scale optical tubes (optical holes) with super long focal depth. Such a focal system is usable for Nano-lithography, particle trapping and transportation, as well as confocal and STED microscopy, microstructure fabrication etc.en_US
dc.language.isoen_USen_US
dc.publisherSpringeren_US
dc.titleGENERATION OF ULTRA-LONG MULTIPLE OPTICAL TUBES USING ANNULAR WALSH FUNCTION FILTERSen_US
dc.typeArticleen_US
Appears in Collections:International Journals

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