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https://hdl.handle.net/2440/74104
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dc.contributor.author | Fumeaux, C. | - |
dc.contributor.author | Lin, H. | - |
dc.contributor.author | Serita, K. | - |
dc.contributor.author | Withayachumnankul, W. | - |
dc.contributor.author | Kaufmann, T. | - |
dc.contributor.author | Tonouchi, M. | - |
dc.contributor.author | Abbott, D. | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | Optics Express, 2012; 20(16):18397-18414 | - |
dc.identifier.issn | 1094-4087 | - |
dc.identifier.issn | 1094-4087 | - |
dc.identifier.uri | http://hdl.handle.net/2440/74104 | - |
dc.description.abstract | The process of terahertz generation through optical rectification in a nonlinear crystal is modeled using discretized equivalent current sources. The equivalent terahertz sources are distributed in the active volume and computed based on a separately modeled near-infrared pump beam. This approach can be used to define an appropriate excitation for full-wave electromagnetic numerical simulations of the generated terahertz radiation. This enables predictive modeling of the near-field interactions of the terahertz beam with micro-structured samples, e.g. in a near-field time-resolved microscopy system. The distributed source model is described in detail, and an implementation in a particular full-wave simulation tool is presented. The numerical results are then validated through a series of measurements on square apertures. The general principle can be applied to other nonlinear processes with possible implementation in any full-wave numerical electromagnetic solver. | - |
dc.description.statementofresponsibility | Christophe Fumeaux, Hungyen Lin, Kazunori Serita, Withawat Withayachumnankul, Thomas Kaufmann, Masayoshi Tonouchi, and Derek Abbott | - |
dc.language.iso | en | - |
dc.publisher | Optical Soc Amer | - |
dc.rights | © 2012 OSA | - |
dc.source.uri | http://dx.doi.org/10.1364/oe.20.018397 | - |
dc.subject | Terahertz imaging | - |
dc.subject | Spectroscopy, terahertz | - |
dc.subject | Apertures | - |
dc.subject | Near-field microscopy | - |
dc.title | Distributed source model for the full-wave electromagnetic simulation of nonlinear terahertz generation | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1364/OE.20.018397 | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/FT100100585 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Fumeaux, C. [0000-0001-6831-7213] | - |
dc.identifier.orcid | Withayachumnankul, W. [0000-0003-1155-567X] | - |
dc.identifier.orcid | Abbott, D. [0000-0002-0945-2674] | - |
Appears in Collections: | Aurora harvest 4 Electrical and Electronic Engineering publications |
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