Multimode laser beam analyzer instrument using electrically programmable optics

Show simple item record Marraccini, Philip J. Riza, Nabeel A. 2020-07-14T11:42:56Z 2020-07-14T11:42:56Z 2011-12-15
dc.identifier.citation Marraccini, P. J. and Riza, N. A. (2011) 'Multimode laser beam analyzer instrument using electrically programmable optics', Review of Scientific Instruments, 82, 123107 (6 pp). doi: 10.1063/1.3669535 en
dc.identifier.volume 82 en
dc.identifier.issued 12 en
dc.identifier.startpage 1 en
dc.identifier.endpage 6 en
dc.identifier.issn 0034-6748
dc.identifier.doi 10.1063/1.3669535 en
dc.description.abstract Presented is a novel design of a multimode laser beam analyzer using a digital micromirror device (DMD) and an electronically controlled variable focus lens (ECVFL) that serve as the digital and analog agile optics, respectively. The proposed analyzer is a broadband laser characterization instrument that uses the agile optics to smartly direct light to the required point photodetectors to enable beam measurements of minimum beam waist size, minimum waist location, divergence, and the beam propagation parameter M(2). Experimental results successfully demonstrate these measurements for a 500 mW multimode test laser beam with a wavelength of 532 nm. The minimum beam waist, divergence, and M(2) experimental results for the test laser are found to be 257.61 mu m, 2.103 mrad, 1.600 and 326.67 mu m, 2.682 mrad, 2.587 for the vertical and horizontal directions, respectively. These measurements are compared to a traditional scan method and the results of the beam waist are found to be within error tolerance of the demonstrated instrument. (C) 2011 American Institute of Physics. en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher AIP Publishing en
dc.rights © 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Rev. Sci. Instrum. 82, 123107 (2011) and may be found at en
dc.subject Multimode laser beam analyzer en
dc.subject Multimode laser beam characterization en
dc.subject Laser aeam analyzer en
dc.subject Laser beam characterization en
dc.subject DMD laser Beam analyzer en
dc.subject DMD laser beam characterization en
dc.title Multimode laser beam analyzer instrument using electrically programmable optics en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Nabeel Riza, Electrical & Electronic Engineering, University College Cork, Cork, Ireland. +353-21-490-3000 Email: en
dc.internal.availability Full text available en 2020-07-14T11:36:56Z
dc.description.version Published Version en
dc.internal.rssid 235891343
dc.description.status Peer reviewed en
dc.identifier.journaltitle Review of Scientific Instruments en
dc.internal.copyrightchecked Yes
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress en
dc.identifier.articleid 123107 en

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