Loss mechanisms in optical light pipes
A geometrical optics approach is used to develop a theoretical model for analyzing loss mechanisms in optical light pipes. Five mechanisms are identified: intrinsic absorption, bulk scattering, losses that are due to roughness at the core-cladding interface, losses that are due to large-scale defect...
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| Veröffentlicht in: | Applied Optics 1992-12, Vol.31 (34), p.7232-7241 |
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| container_end_page | 7241 |
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| container_issue | 34 |
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| container_title | Applied Optics |
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| creator | REMILLARD, J. T EVERSON, M. P WEBER, W. H |
| description | A geometrical optics approach is used to develop a theoretical model for analyzing loss mechanisms in optical light pipes. Five mechanisms are identified: intrinsic absorption, bulk scattering, losses that are due to roughness at the core-cladding interface, losses that are due to large-scale defects at the core-cladding interface, and losses that are due to absorption in the cladding material; and the effects of each of these on light-pipe transmission are considered. An approximate model appropriate for slightly rough surfaces is used to estimate the loss that is due to interface roughness. Optical experiments on commercially available light pipes are done to quantify the various loss processes. These experiments indicate that the interface effects play an important role in limiting the transmission in high-quality light pipes. From the optical measurements a rms interface roughness height in the 30-70-A range is deduced, and these values are confirmed by direct surface profilometry with an atomic force microscope. |
| doi_str_mv | 10.1364/AO.31.007232 |
| format | Article |
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T ; EVERSON, M. P ; WEBER, W. H</creator><creatorcontrib>REMILLARD, J. T ; EVERSON, M. P ; WEBER, W. H</creatorcontrib><description>A geometrical optics approach is used to develop a theoretical model for analyzing loss mechanisms in optical light pipes. Five mechanisms are identified: intrinsic absorption, bulk scattering, losses that are due to roughness at the core-cladding interface, losses that are due to large-scale defects at the core-cladding interface, and losses that are due to absorption in the cladding material; and the effects of each of these on light-pipe transmission are considered. An approximate model appropriate for slightly rough surfaces is used to estimate the loss that is due to interface roughness. Optical experiments on commercially available light pipes are done to quantify the various loss processes. These experiments indicate that the interface effects play an important role in limiting the transmission in high-quality light pipes. From the optical measurements a rms interface roughness height in the 30-70-A range is deduced, and these values are confirmed by direct surface profilometry with an atomic force microscope.</description><identifier>ISSN: 0003-6935</identifier><identifier>ISSN: 1559-128X</identifier><identifier>EISSN: 1539-4522</identifier><identifier>DOI: 10.1364/AO.31.007232</identifier><identifier>PMID: 20802588</identifier><identifier>CODEN: APOPAI</identifier><language>eng</language><publisher>Washington, DC: Optical Society of America</publisher><subject>Applied sciences ; Circuit properties ; Electric, optical and optoelectronic circuits ; Electronics ; Exact sciences and technology ; Integrated optics. 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T</creatorcontrib><creatorcontrib>EVERSON, M. P</creatorcontrib><creatorcontrib>WEBER, W. H</creatorcontrib><title>Loss mechanisms in optical light pipes</title><title>Applied Optics</title><addtitle>Appl Opt</addtitle><description>A geometrical optics approach is used to develop a theoretical model for analyzing loss mechanisms in optical light pipes. Five mechanisms are identified: intrinsic absorption, bulk scattering, losses that are due to roughness at the core-cladding interface, losses that are due to large-scale defects at the core-cladding interface, and losses that are due to absorption in the cladding material; and the effects of each of these on light-pipe transmission are considered. An approximate model appropriate for slightly rough surfaces is used to estimate the loss that is due to interface roughness. Optical experiments on commercially available light pipes are done to quantify the various loss processes. These experiments indicate that the interface effects play an important role in limiting the transmission in high-quality light pipes. From the optical measurements a rms interface roughness height in the 30-70-A range is deduced, and these values are confirmed by direct surface profilometry with an atomic force microscope.</description><subject>Applied sciences</subject><subject>Circuit properties</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Integrated optics. 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Optical fibers and wave guides</topic><topic>Optical and optoelectronic circuits</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>REMILLARD, J. T</creatorcontrib><creatorcontrib>EVERSON, M. P</creatorcontrib><creatorcontrib>WEBER, W. H</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Applied Optics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>REMILLARD, J. T</au><au>EVERSON, M. P</au><au>WEBER, W. H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Loss mechanisms in optical light pipes</atitle><jtitle>Applied Optics</jtitle><addtitle>Appl Opt</addtitle><date>1992-12-01</date><risdate>1992</risdate><volume>31</volume><issue>34</issue><spage>7232</spage><epage>7241</epage><pages>7232-7241</pages><issn>0003-6935</issn><issn>1559-128X</issn><eissn>1539-4522</eissn><coden>APOPAI</coden><abstract>A geometrical optics approach is used to develop a theoretical model for analyzing loss mechanisms in optical light pipes. Five mechanisms are identified: intrinsic absorption, bulk scattering, losses that are due to roughness at the core-cladding interface, losses that are due to large-scale defects at the core-cladding interface, and losses that are due to absorption in the cladding material; and the effects of each of these on light-pipe transmission are considered. An approximate model appropriate for slightly rough surfaces is used to estimate the loss that is due to interface roughness. Optical experiments on commercially available light pipes are done to quantify the various loss processes. These experiments indicate that the interface effects play an important role in limiting the transmission in high-quality light pipes. From the optical measurements a rms interface roughness height in the 30-70-A range is deduced, and these values are confirmed by direct surface profilometry with an atomic force microscope.</abstract><cop>Washington, DC</cop><pub>Optical Society of America</pub><pmid>20802588</pmid><doi>10.1364/AO.31.007232</doi><tpages>10</tpages></addata></record> |
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| ispartof | Applied Optics, 1992-12, Vol.31 (34), p.7232-7241 |
| issn | 0003-6935 1559-128X 1539-4522 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_749006447 |
| source | Alma/SFX Local Collection; Optica Publishing Group Journals |
| subjects | Applied sciences Circuit properties Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Integrated optics. Optical fibers and wave guides Optical and optoelectronic circuits |
| title | Loss mechanisms in optical light pipes |
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