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Murphy, J.Anthony, Withington, Stafford and Egan, A. (1993) Mode conversion at diffracting apertures in millimeter and submillimeter wave optical systems. IEEE Transactions on Microwave Theory and Techniques, 41 (10). pp. 1700-1702. ISSN 0018-9480
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Abstract
Diffraction effects, which occur when the fields in a beam waveguide are truncated at absorbing stops, can be conveniently analyzed using scattering-matrix theory applied to Gaussian-beam modes. The authors present recursion relationships for the elements of the scattering matrix when a nonaxially symmetric beam illuminates an axially symmetric stop. They demonstrate the technique by calculating the total loss and beam profiles in a system comprising a diagonal horn, a lens, a window, and two off-axis mirrors. The finite size of each component is taken into account.
| Item Type: | Article |
|---|---|
| Additional Information: | Cite as: J. A. Murphy, S. Withington and A. Egan, "Mode conversion at diffracting apertures in millimeter and submillimeter wave optical systems," in IEEE Transactions on Microwave Theory and Techniques, vol. 41, no. 10, pp. 1700-1702, Oct. 1993, doi: 10.1109/22.247913. |
| Keywords: | Optical diffraction; Apertures; Submillimeter wave devices; Optical scattering; Optical waveguides; Gaussian processes; Symmetric matrices; Transmission line matrix methods; Lenses; Mirrors; |
| Academic Unit: | Faculty of Science and Engineering > Experimental Physics |
| Item ID: | 14280 |
| Identification Number: | 10.1109/22.247913 |
| Depositing User: | Dr. Anthony Murphy |
| Date Deposited: | 29 Mar 2021 15:16 |
| Journal or Publication Title: | IEEE Transactions on Microwave Theory and Techniques |
| Publisher: | IEEE |
| Refereed: | Yes |
| Related URLs: | |
| URI: | https://mural.maynoothuniversity.ie/id/eprint/14280 |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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