A Comparison of Laser-Ultrasound Detection System Sensitivity with a Broad-Band Ultrasonic Source for Biomedical Applications
Laser ultrasound detection systems are used for noninvasive imaging of internal structures and function of soft tissues. The detection systems with a high sensitivity can be used for detecting small tumors located deeply in human tissues, such as the breast. In this study, the sensitivity of existin...
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| Veröffentlicht in: | Archives of medical research 2006-04, Vol.37 (3), p.322-327 |
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| container_title | Archives of medical research |
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| creator | Hejazi, Marjaneh Abolhassani, Mohamad D. Ahmadian, Alireza Frenz, M. Jaeger, M. Niederhauser, J.J. Amjadi, A. |
| description | Laser ultrasound detection systems are used for noninvasive imaging of internal structures and function of soft tissues. The detection systems with a high sensitivity can be used for detecting small tumors located deeply in human tissues, such as the breast. In this study, the sensitivity of existing ultrasonic detection systems has been compared experimentally by using thermoelastic waves as a broadband ultrasonic source.
For the comparison, an optical stress transducer, a polyvinylidene difluoride (PVDF) sheet and a calibrated PVDF needle hydrophone were used. To ensure that all detection systems were interrogated by the same ultrasonic field, a small optical instrument was constructed to fix the generating laser head. The sensitivity was evaluated by measuring signal-to-noise ratios (SNRs) and noise equivalent pressures (NEPs).
The PVDF system, with a 4 kPa NEP, has a 22-dB better performance than the optical stress transducer. The optical stress transducer showed nearly the same sensitivity as the hydrophone for detecting ultrasound waves at a 1-cm distance.
PVDF detection system provides a useful tool for imaging of soft tissues because of its high sensitivity and broadband detection range. |
| doi_str_mv | 10.1016/j.arcmed.2005.07.008 |
| format | Article |
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For the comparison, an optical stress transducer, a polyvinylidene difluoride (PVDF) sheet and a calibrated PVDF needle hydrophone were used. To ensure that all detection systems were interrogated by the same ultrasonic field, a small optical instrument was constructed to fix the generating laser head. The sensitivity was evaluated by measuring signal-to-noise ratios (SNRs) and noise equivalent pressures (NEPs).
The PVDF system, with a 4 kPa NEP, has a 22-dB better performance than the optical stress transducer. The optical stress transducer showed nearly the same sensitivity as the hydrophone for detecting ultrasound waves at a 1-cm distance.
PVDF detection system provides a useful tool for imaging of soft tissues because of its high sensitivity and broadband detection range.</description><identifier>ISSN: 0188-4409</identifier><identifier>EISSN: 1873-5487</identifier><identifier>DOI: 10.1016/j.arcmed.2005.07.008</identifier><identifier>PMID: 16513479</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Biomedical Technology - instrumentation ; Biomedical Technology - methods ; Equipment Design ; Lasers ; Optical stress transducer ; Photoacoustic ; Polyvinylidene difluoride sheet ; Pressure ; Sensitivity ; Sensitivity and Specificity ; Ultrasonics ; Ultrasound laser detection system</subject><ispartof>Archives of medical research, 2006-04, Vol.37 (3), p.322-327</ispartof><rights>2006 IMSS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c360t-72eda6f55bcafffc1dbe6c61d520b45d9aa89bdfce18183b01c45dc7b4e54eef3</citedby><cites>FETCH-LOGICAL-c360t-72eda6f55bcafffc1dbe6c61d520b45d9aa89bdfce18183b01c45dc7b4e54eef3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.arcmed.2005.07.008$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,782,786,3552,27931,27932,46002</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16513479$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hejazi, Marjaneh</creatorcontrib><creatorcontrib>Abolhassani, Mohamad D.</creatorcontrib><creatorcontrib>Ahmadian, Alireza</creatorcontrib><creatorcontrib>Frenz, M.</creatorcontrib><creatorcontrib>Jaeger, M.</creatorcontrib><creatorcontrib>Niederhauser, J.J.</creatorcontrib><creatorcontrib>Amjadi, A.</creatorcontrib><title>A Comparison of Laser-Ultrasound Detection System Sensitivity with a Broad-Band Ultrasonic Source for Biomedical Applications</title><title>Archives of medical research</title><addtitle>Arch Med Res</addtitle><description>Laser ultrasound detection systems are used for noninvasive imaging of internal structures and function of soft tissues. The detection systems with a high sensitivity can be used for detecting small tumors located deeply in human tissues, such as the breast. In this study, the sensitivity of existing ultrasonic detection systems has been compared experimentally by using thermoelastic waves as a broadband ultrasonic source.
For the comparison, an optical stress transducer, a polyvinylidene difluoride (PVDF) sheet and a calibrated PVDF needle hydrophone were used. To ensure that all detection systems were interrogated by the same ultrasonic field, a small optical instrument was constructed to fix the generating laser head. The sensitivity was evaluated by measuring signal-to-noise ratios (SNRs) and noise equivalent pressures (NEPs).
The PVDF system, with a 4 kPa NEP, has a 22-dB better performance than the optical stress transducer. The optical stress transducer showed nearly the same sensitivity as the hydrophone for detecting ultrasound waves at a 1-cm distance.
PVDF detection system provides a useful tool for imaging of soft tissues because of its high sensitivity and broadband detection range.</description><subject>Biomedical Technology - instrumentation</subject><subject>Biomedical Technology - methods</subject><subject>Equipment Design</subject><subject>Lasers</subject><subject>Optical stress transducer</subject><subject>Photoacoustic</subject><subject>Polyvinylidene difluoride sheet</subject><subject>Pressure</subject><subject>Sensitivity</subject><subject>Sensitivity and Specificity</subject><subject>Ultrasonics</subject><subject>Ultrasound laser detection system</subject><issn>0188-4409</issn><issn>1873-5487</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE9v2yAYh1G1ak2zfYNp4rSbXYgxOJdJSdZ_UqQe0pwRhheVyDYe4FY57LuPKNGOO4F4n98PeBD6RklJCeV3h1IF3YMpF4TUJRElIc0VmtFGVEXNGvEJzQhtmoIxsrxBtzEeSCYYF5_RDeU1rZhYztCfFd74flTBRT9gb_FWRQjFvktBRT8NBv-CBDq5PN0dY4Ie72CILrl3l474w6U3rPA6eGWKtcr4JTk4jXd-Chqw9QGvnc9PdVp1eDWOXd6cGuMXdG1VF-HrZZ2j_cP96-ap2L48Pm9W20JXnKRCLMAobuu61cpaq6lpgWtOTb0gLavNUqlm2RqrgTa0qVpCdT7VomVQMwBbzdGPc-8Y_O8JYpK9ixq6Tg3gpyi5ELSiFc8gO4M6-BgDWDkG16twlJTIk3Z5kGft8qRdEiGz1Bz7fumf2tPsX-jiOQM_zwDkX747CDJqB4POTkK2K413_7_hL7dMmSI</recordid><startdate>20060401</startdate><enddate>20060401</enddate><creator>Hejazi, Marjaneh</creator><creator>Abolhassani, Mohamad D.</creator><creator>Ahmadian, Alireza</creator><creator>Frenz, M.</creator><creator>Jaeger, M.</creator><creator>Niederhauser, J.J.</creator><creator>Amjadi, A.</creator><general>Elsevier Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20060401</creationdate><title>A Comparison of Laser-Ultrasound Detection System Sensitivity with a Broad-Band Ultrasonic Source for Biomedical Applications</title><author>Hejazi, Marjaneh ; Abolhassani, Mohamad D. ; Ahmadian, Alireza ; Frenz, M. ; Jaeger, M. ; Niederhauser, J.J. ; Amjadi, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c360t-72eda6f55bcafffc1dbe6c61d520b45d9aa89bdfce18183b01c45dc7b4e54eef3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Biomedical Technology - instrumentation</topic><topic>Biomedical Technology - methods</topic><topic>Equipment Design</topic><topic>Lasers</topic><topic>Optical stress transducer</topic><topic>Photoacoustic</topic><topic>Polyvinylidene difluoride sheet</topic><topic>Pressure</topic><topic>Sensitivity</topic><topic>Sensitivity and Specificity</topic><topic>Ultrasonics</topic><topic>Ultrasound laser detection system</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hejazi, Marjaneh</creatorcontrib><creatorcontrib>Abolhassani, Mohamad D.</creatorcontrib><creatorcontrib>Ahmadian, Alireza</creatorcontrib><creatorcontrib>Frenz, M.</creatorcontrib><creatorcontrib>Jaeger, M.</creatorcontrib><creatorcontrib>Niederhauser, J.J.</creatorcontrib><creatorcontrib>Amjadi, A.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Archives of medical research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hejazi, Marjaneh</au><au>Abolhassani, Mohamad D.</au><au>Ahmadian, Alireza</au><au>Frenz, M.</au><au>Jaeger, M.</au><au>Niederhauser, J.J.</au><au>Amjadi, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Comparison of Laser-Ultrasound Detection System Sensitivity with a Broad-Band Ultrasonic Source for Biomedical Applications</atitle><jtitle>Archives of medical research</jtitle><addtitle>Arch Med Res</addtitle><date>2006-04-01</date><risdate>2006</risdate><volume>37</volume><issue>3</issue><spage>322</spage><epage>327</epage><pages>322-327</pages><issn>0188-4409</issn><eissn>1873-5487</eissn><abstract>Laser ultrasound detection systems are used for noninvasive imaging of internal structures and function of soft tissues. The detection systems with a high sensitivity can be used for detecting small tumors located deeply in human tissues, such as the breast. In this study, the sensitivity of existing ultrasonic detection systems has been compared experimentally by using thermoelastic waves as a broadband ultrasonic source.
For the comparison, an optical stress transducer, a polyvinylidene difluoride (PVDF) sheet and a calibrated PVDF needle hydrophone were used. To ensure that all detection systems were interrogated by the same ultrasonic field, a small optical instrument was constructed to fix the generating laser head. The sensitivity was evaluated by measuring signal-to-noise ratios (SNRs) and noise equivalent pressures (NEPs).
The PVDF system, with a 4 kPa NEP, has a 22-dB better performance than the optical stress transducer. The optical stress transducer showed nearly the same sensitivity as the hydrophone for detecting ultrasound waves at a 1-cm distance.
PVDF detection system provides a useful tool for imaging of soft tissues because of its high sensitivity and broadband detection range.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>16513479</pmid><doi>10.1016/j.arcmed.2005.07.008</doi><tpages>6</tpages></addata></record> |
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| subjects | Biomedical Technology - instrumentation Biomedical Technology - methods Equipment Design Lasers Optical stress transducer Photoacoustic Polyvinylidene difluoride sheet Pressure Sensitivity Sensitivity and Specificity Ultrasonics Ultrasound laser detection system |
| title | A Comparison of Laser-Ultrasound Detection System Sensitivity with a Broad-Band Ultrasonic Source for Biomedical Applications |
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