Unconventional treatment of focal shift
We present an unconventional approach for the explanation of focal shift behind a lens. It is based on the fact that, within the approximation of Fresnel diffraction, the intensity distributions in the conjugate planes of a lens are equal to their geometrical images. We show that the focus (position...
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| Veröffentlicht in: | Optics communications 1998-12, Vol.157 (1), p.218-224 |
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| container_title | Optics communications |
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| creator | Vokinger, Urs Dändliker, René Blattner, Peter Herzig, Hans Peter |
| description | We present an unconventional approach for the explanation of focal shift behind a lens. It is based on the fact that, within the approximation of Fresnel diffraction, the intensity distributions in the conjugate planes of a lens are equal to their geometrical images. We show that the focus (position of highest intensity) is always shifted towards the lens. The results for a Gaussian beam and a uniform converging spherical wave are presented. |
| doi_str_mv | 10.1016/S0030-4018(98)00506-9 |
| format | Article |
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The results for a Gaussian beam and a uniform converging spherical wave are presented.</description><subject>Exact sciences and technology</subject><subject>Focal shift</subject><subject>Fourier optics</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Geometrical optics</subject><subject>Image forming and processing</subject><subject>Imaging and optical processing</subject><subject>Optics</subject><subject>Physics</subject><subject>Wave optics</subject><subject>Wave propagation, transmission and absorption</subject><issn>0030-4018</issn><issn>1873-0310</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLAzEUhYMoWKs_QehCfCxGbyaZPFZSii8ouNCuQ5q5wch0UpNpwX_v9IEuXV3u5Tv3cA4h5xRuKVBx9wbAoOBA1bVWNwAViEIfkAFVkhXAKBySwS9yTE5y_gQAypkakKtZ62K7xrYLsbXNqEtou0W_jqIf-ej6U_4IvjslR942Gc_2c0hmjw_vk-di-vr0MhlPC8cp7wpfavQCuJTKSlUzVsu5q7ziau6905xJWnHkthRK2rKskGnF6qp2YLVzbs6G5HL3d5ni1wpzZxYhO2wa22JcZVMKUSkhRQ9WO9ClmHNCb5YpLGz6NhTMphazrcVsMhutzLYWo3vdxd7A5j6dT7Z1If-JBVVAN9j9DsM-7DpgMtkFbB3WIaHrTB3DP0Y_Vv51gw</recordid><startdate>19981201</startdate><enddate>19981201</enddate><creator>Vokinger, Urs</creator><creator>Dändliker, René</creator><creator>Blattner, Peter</creator><creator>Herzig, Hans Peter</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>19981201</creationdate><title>Unconventional treatment of focal shift</title><author>Vokinger, Urs ; Dändliker, René ; Blattner, Peter ; Herzig, Hans Peter</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c414t-f29ef604778a78d33d7bc5f848bffc9437154e4a2687a225e3983d5dc0a9cccb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Exact sciences and technology</topic><topic>Focal shift</topic><topic>Fourier optics</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Geometrical optics</topic><topic>Image forming and processing</topic><topic>Imaging and optical processing</topic><topic>Optics</topic><topic>Physics</topic><topic>Wave optics</topic><topic>Wave propagation, transmission and absorption</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vokinger, Urs</creatorcontrib><creatorcontrib>Dändliker, René</creatorcontrib><creatorcontrib>Blattner, Peter</creatorcontrib><creatorcontrib>Herzig, Hans Peter</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Optics communications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vokinger, Urs</au><au>Dändliker, René</au><au>Blattner, Peter</au><au>Herzig, Hans Peter</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Unconventional treatment of focal shift</atitle><jtitle>Optics communications</jtitle><date>1998-12-01</date><risdate>1998</risdate><volume>157</volume><issue>1</issue><spage>218</spage><epage>224</epage><pages>218-224</pages><issn>0030-4018</issn><eissn>1873-0310</eissn><coden>OPCOB8</coden><abstract>We present an unconventional approach for the explanation of focal shift behind a lens. 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| ispartof | Optics communications, 1998-12, Vol.157 (1), p.218-224 |
| issn | 0030-4018 1873-0310 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete - AutoHoldings |
| subjects | Exact sciences and technology Focal shift Fourier optics Fundamental areas of phenomenology (including applications) Geometrical optics Image forming and processing Imaging and optical processing Optics Physics Wave optics Wave propagation, transmission and absorption |
| title | Unconventional treatment of focal shift |
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