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Transverse variation of partially coherent axicon lines
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.ORCID iD: 0000-0003-3804-0561
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
2002 (English)In: Journal of Modern Optics, ISSN 0950-0340, E-ISSN 1362-3044, Vol. 49, no 11, 1933-1941 p.Article in journal (Refereed) Published
Abstract [en]

Diffractive axicons operating in spatially partially coherent light can be designed non-iteratively, on the basis of asymptotic wave theory, to produce focal lines with prescribed on-axis intensity profiles. In this paper we analyse the transverse intensity variation of these axicon lines, concentrating on relatively coherent beams. By Taylor expansion, a way is found to approximate the transverse intensity profile, without the demanding numerical integration otherwise needed. From this expression, also the width of the focal line as a function of position on the optical axis can be easily found. As now both this width profile and the on-axis intensity profile can be determined, the two most important features of the partially coherent axicon focal line have been characterized.

Place, publisher, year, edition, pages
2002. Vol. 49, no 11, 1933-1941 p.
Keyword [en]
diffractive axicons, light
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-21844DOI: 10.1080/09500340210140597ISI: 000177608900012OAI: oai:DiVA.org:kth-21844DiVA: diva2:340542
Note
QC 20100525 QC 20120119Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Thaning, Anna

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