Properties of TM resonances on metallic slit gratings
Electromagnetic resonances on metallic slit gratings induced by TM polarized incident light have been investigated and physically interpreted. We have developed an electromagnetic model imposing surface impedance boundary conditions on the metallic grating surface from which we derive simple formula...
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| Veröffentlicht in: | Applied optics (2004) 2012-04, Vol.51 (11), p.1729-1741 |
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| container_title | Applied optics (2004) |
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| creator | Lochbihler, Hans Depine, Ricardo A |
| description | Electromagnetic resonances on metallic slit gratings induced by TM polarized incident light have been investigated and physically interpreted. We have developed an electromagnetic model imposing surface impedance boundary conditions on the metallic grating surface from which we derive simple formulas explaining all physical properties of these resonances. It is demonstrated that Fabry-Perot (or cavity) resonances are generated by the zeroth slit mode yielding extraordinary transmission. For very narrow slits, the resonant H-field is squeezed to the slit walls and causes enhanced power losses. The excitation of surface plasmon polaritons (SPPs), however, is generated by two mode coupling. SPPs are linked to sharp absorption peaks and dips in transmittance. It is shown that these phenomena are primarily caused by the interaction of the electromagnetic fields with the finite conducting slit walls. These findings have been confirmed by measured transmittance data of gold gratings with periods of 0.5 μm, 1 μm, and 2 μm. |
| doi_str_mv | 10.1364/AO.51.001729 |
| format | Article |
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We have developed an electromagnetic model imposing surface impedance boundary conditions on the metallic grating surface from which we derive simple formulas explaining all physical properties of these resonances. It is demonstrated that Fabry-Perot (or cavity) resonances are generated by the zeroth slit mode yielding extraordinary transmission. For very narrow slits, the resonant H-field is squeezed to the slit walls and causes enhanced power losses. The excitation of surface plasmon polaritons (SPPs), however, is generated by two mode coupling. SPPs are linked to sharp absorption peaks and dips in transmittance. It is shown that these phenomena are primarily caused by the interaction of the electromagnetic fields with the finite conducting slit walls. These findings have been confirmed by measured transmittance data of gold gratings with periods of 0.5 μm, 1 μm, and 2 μm.</description><identifier>ISSN: 1559-128X</identifier><identifier>EISSN: 2155-3165</identifier><identifier>EISSN: 1539-4522</identifier><identifier>DOI: 10.1364/AO.51.001729</identifier><identifier>PMID: 22505164</identifier><language>eng</language><publisher>United States</publisher><subject>Diffraction gratings ; Gratings (spectra) ; Mathematical analysis ; Mathematical models ; Polaritons ; Slits ; Transmittance ; Walls</subject><ispartof>Applied optics (2004), 2012-04, Vol.51 (11), p.1729-1741</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c324t-f4dd1f6ef563f410acb36fb707eea03c7fd09fdcbbabcc03c6238d16a3b6a0b3</citedby><cites>FETCH-LOGICAL-c324t-f4dd1f6ef563f410acb36fb707eea03c7fd09fdcbbabcc03c6238d16a3b6a0b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,3258,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22505164$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lochbihler, Hans</creatorcontrib><creatorcontrib>Depine, Ricardo A</creatorcontrib><title>Properties of TM resonances on metallic slit gratings</title><title>Applied optics (2004)</title><addtitle>Appl Opt</addtitle><description>Electromagnetic resonances on metallic slit gratings induced by TM polarized incident light have been investigated and physically interpreted. We have developed an electromagnetic model imposing surface impedance boundary conditions on the metallic grating surface from which we derive simple formulas explaining all physical properties of these resonances. It is demonstrated that Fabry-Perot (or cavity) resonances are generated by the zeroth slit mode yielding extraordinary transmission. For very narrow slits, the resonant H-field is squeezed to the slit walls and causes enhanced power losses. The excitation of surface plasmon polaritons (SPPs), however, is generated by two mode coupling. SPPs are linked to sharp absorption peaks and dips in transmittance. It is shown that these phenomena are primarily caused by the interaction of the electromagnetic fields with the finite conducting slit walls. These findings have been confirmed by measured transmittance data of gold gratings with periods of 0.5 μm, 1 μm, and 2 μm.</description><subject>Diffraction gratings</subject><subject>Gratings (spectra)</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Polaritons</subject><subject>Slits</subject><subject>Transmittance</subject><subject>Walls</subject><issn>1559-128X</issn><issn>2155-3165</issn><issn>1539-4522</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqN0DtPwzAUBWALgWgpbMwoIwMp9_qVeqyq8pCKytCBzbIduwrKo9jpwL8nVQsz0706-nSGQ8gtwhSZ5I_z9VTgFAALqs7ImKIQOUMpzsl4eFWOdPYxIlcpfQIwwVVxSUaUChAo-ZiI99jtfOwrn7IuZJu3LPrUtaZ1h6DNGt-buq5cluqqz7bR9FW7TdfkIpg6-ZvTnZDN03KzeMlX6-fXxXyVO0Z5nwdelhikD0KywBGMs0wGW0DhvQHmilCCCqWz1ljnhkBSNitRGmalAcsm5P5Yu4vd196nXjdVcr6uTeu7fdIIlM6UohL-QQGVEILjQB-O1MUupeiD3sWqMfF7QPowqZ6vtUB9nHTgd6fmvW18-Yd_N2Q_ctpw4A</recordid><startdate>20120410</startdate><enddate>20120410</enddate><creator>Lochbihler, Hans</creator><creator>Depine, Ricardo A</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20120410</creationdate><title>Properties of TM resonances on metallic slit gratings</title><author>Lochbihler, Hans ; Depine, Ricardo A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c324t-f4dd1f6ef563f410acb36fb707eea03c7fd09fdcbbabcc03c6238d16a3b6a0b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Diffraction gratings</topic><topic>Gratings (spectra)</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>Polaritons</topic><topic>Slits</topic><topic>Transmittance</topic><topic>Walls</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lochbihler, Hans</creatorcontrib><creatorcontrib>Depine, Ricardo A</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied optics (2004)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lochbihler, Hans</au><au>Depine, Ricardo A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Properties of TM resonances on metallic slit gratings</atitle><jtitle>Applied optics (2004)</jtitle><addtitle>Appl Opt</addtitle><date>2012-04-10</date><risdate>2012</risdate><volume>51</volume><issue>11</issue><spage>1729</spage><epage>1741</epage><pages>1729-1741</pages><issn>1559-128X</issn><eissn>2155-3165</eissn><eissn>1539-4522</eissn><abstract>Electromagnetic resonances on metallic slit gratings induced by TM polarized incident light have been investigated and physically interpreted. We have developed an electromagnetic model imposing surface impedance boundary conditions on the metallic grating surface from which we derive simple formulas explaining all physical properties of these resonances. It is demonstrated that Fabry-Perot (or cavity) resonances are generated by the zeroth slit mode yielding extraordinary transmission. For very narrow slits, the resonant H-field is squeezed to the slit walls and causes enhanced power losses. The excitation of surface plasmon polaritons (SPPs), however, is generated by two mode coupling. SPPs are linked to sharp absorption peaks and dips in transmittance. It is shown that these phenomena are primarily caused by the interaction of the electromagnetic fields with the finite conducting slit walls. These findings have been confirmed by measured transmittance data of gold gratings with periods of 0.5 μm, 1 μm, and 2 μm.</abstract><cop>United States</cop><pmid>22505164</pmid><doi>10.1364/AO.51.001729</doi><tpages>13</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1559-128X |
| ispartof | Applied optics (2004), 2012-04, Vol.51 (11), p.1729-1741 |
| issn | 1559-128X 2155-3165 1539-4522 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1022899260 |
| source | Alma/SFX Local Collection; Optica Publishing Group Journals |
| subjects | Diffraction gratings Gratings (spectra) Mathematical analysis Mathematical models Polaritons Slits Transmittance Walls |
| title | Properties of TM resonances on metallic slit gratings |
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