Photo-acoustic imaging of surface acoustic wave slowness using multiplexed, two-wave mixing array interferometry
A method to rapidly measure the group velocities (or their inverse, slownesses) of surface acoustic waves (SAWs) in anisotropic materials is presented. Surface acoustic waves are generated using a pulsed laser focused to a point on a test object. A newly developed multiplexed two-wave mixing (MTWM)...
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Veröffentlicht in: | IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 2002-08, Vol.49 (8), p.1118-1123 |
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container_title | IEEE transactions on ultrasonics, ferroelectrics, and frequency control |
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creator | Yi Zhou Murray, T.W. Krishnaswamy, S. |
description | A method to rapidly measure the group velocities (or their inverse, slownesses) of surface acoustic waves (SAWs) in anisotropic materials is presented. Surface acoustic waves are generated using a pulsed laser focused to a point on a test object. A newly developed multiplexed two-wave mixing (MTWM) interferometer is used to simultaneously detect the SAW displacements along eight different directions using a circular array of detection points. The group velocity slowness curve is obtained directly from the measured signals from the MTWM array. The experimental results are compared to theoretical predictions in aluminum, silicon, and quartz. |
doi_str_mv | 10.1109/TUFFC.2002.1026024 |
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Surface acoustic waves are generated using a pulsed laser focused to a point on a test object. A newly developed multiplexed two-wave mixing (MTWM) interferometer is used to simultaneously detect the SAW displacements along eight different directions using a circular array of detection points. The group velocity slowness curve is obtained directly from the measured signals from the MTWM array. The experimental results are compared to theoretical predictions in aluminum, silicon, and quartz.</description><identifier>ISSN: 0885-3010</identifier><identifier>EISSN: 1525-8955</identifier><identifier>DOI: 10.1109/TUFFC.2002.1026024</identifier><identifier>CODEN: ITUCER</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Acoustic arrays ; Acoustic imaging ; Acoustic measurements ; Acoustic signal detection ; Acoustic waves ; Acoustical measurements and instrumentation ; Acoustics ; Arrays ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Fundamental areas of phenomenology (including applications) ; Group velocity ; Interferometry ; Inverse ; Materials science ; Materials testing ; Multiplexing ; Nondestructive testing: ultrasonic testing, photoacoustic testing ; Optical pulse generation ; Physics ; Pulsed lasers ; Sawing machines ; Saws ; Surface acoustic waves ; Two-wave mixing ; Velocity measurement</subject><ispartof>IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 2002-08, Vol.49 (8), p.1118-1123</ispartof><rights>2002 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2002</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c447t-2348e326d92b00a240b9f1d404c7cd85a15ebdf29ebe159ce1cb6af1831addf13</citedby><cites>FETCH-LOGICAL-c447t-2348e326d92b00a240b9f1d404c7cd85a15ebdf29ebe159ce1cb6af1831addf13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1026024$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1026024$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13830988$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yi Zhou</creatorcontrib><creatorcontrib>Murray, T.W.</creatorcontrib><creatorcontrib>Krishnaswamy, S.</creatorcontrib><title>Photo-acoustic imaging of surface acoustic wave slowness using multiplexed, two-wave mixing array interferometry</title><title>IEEE transactions on ultrasonics, ferroelectrics, and frequency control</title><addtitle>T-UFFC</addtitle><description>A method to rapidly measure the group velocities (or their inverse, slownesses) of surface acoustic waves (SAWs) in anisotropic materials is presented. Surface acoustic waves are generated using a pulsed laser focused to a point on a test object. A newly developed multiplexed two-wave mixing (MTWM) interferometer is used to simultaneously detect the SAW displacements along eight different directions using a circular array of detection points. The group velocity slowness curve is obtained directly from the measured signals from the MTWM array. The experimental results are compared to theoretical predictions in aluminum, silicon, and quartz.</description><subject>Acoustic arrays</subject><subject>Acoustic imaging</subject><subject>Acoustic measurements</subject><subject>Acoustic signal detection</subject><subject>Acoustic waves</subject><subject>Acoustical measurements and instrumentation</subject><subject>Acoustics</subject><subject>Arrays</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Group velocity</subject><subject>Interferometry</subject><subject>Inverse</subject><subject>Materials science</subject><subject>Materials testing</subject><subject>Multiplexing</subject><subject>Nondestructive testing: ultrasonic testing, photoacoustic testing</subject><subject>Optical pulse generation</subject><subject>Physics</subject><subject>Pulsed lasers</subject><subject>Sawing machines</subject><subject>Saws</subject><subject>Surface acoustic waves</subject><subject>Two-wave mixing</subject><subject>Velocity measurement</subject><issn>0885-3010</issn><issn>1525-8955</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqNkU1v1DAQhi0EEkvhD8AlQoJeyDL-SuwjWrEFqRIc2rPlOOPiKokXO-l2_z1JdwWIA3CawzzzjmYeQl5SWFMK-v3V9Xa7WTMAtqbAKmDiEVlRyWSptJSPyQqUkiUHCk_Js5xvAagQmq3I7uu3OMbSujjlMbgi9PYmDDdF9EWekrcOi5-9vb3DIndxP2DOxZQXrp-6Mew6vMf2XTHuY_kA9eF-adqU7KEIw4jJY4o9junwnDzxtsv44lTPyPX249XmU3n55eLz5sNl6YSox5JxoZCzqtWsAbBMQKM9bQUIV7tWSUslNq1nGhukUjukrqmsp4pT27ae8jNyfszdpfh9wjyaPmSHXWcHnO8xGmoteMWqmXz7V5Kpugaq2H-AQs0v5_8G60oyXi2rX_8B3sYpDfNfjFJC8JpVy1p2hFyKOSf0ZpdmTelgKJjFvnmwbxb75mR_HnpzSrbZ2c4nO7iQf01yxUErNXOvjlxAxN-Cjyk_AJMmuek</recordid><startdate>20020801</startdate><enddate>20020801</enddate><creator>Yi Zhou</creator><creator>Murray, T.W.</creator><creator>Krishnaswamy, S.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Surface acoustic waves are generated using a pulsed laser focused to a point on a test object. A newly developed multiplexed two-wave mixing (MTWM) interferometer is used to simultaneously detect the SAW displacements along eight different directions using a circular array of detection points. The group velocity slowness curve is obtained directly from the measured signals from the MTWM array. The experimental results are compared to theoretical predictions in aluminum, silicon, and quartz.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TUFFC.2002.1026024</doi><tpages>6</tpages></addata></record> |
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subjects | Acoustic arrays Acoustic imaging Acoustic measurements Acoustic signal detection Acoustic waves Acoustical measurements and instrumentation Acoustics Arrays Cross-disciplinary physics: materials science rheology Exact sciences and technology Fundamental areas of phenomenology (including applications) Group velocity Interferometry Inverse Materials science Materials testing Multiplexing Nondestructive testing: ultrasonic testing, photoacoustic testing Optical pulse generation Physics Pulsed lasers Sawing machines Saws Surface acoustic waves Two-wave mixing Velocity measurement |
title | Photo-acoustic imaging of surface acoustic wave slowness using multiplexed, two-wave mixing array interferometry |
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