Ultrasonic power measurements in the milliwatt region by the radiation force float method
The radiation force float technique is extended in the present investigation, for the determination of the total radiated low ultrasonic power in the milliwatt region. It is elucidated, experimentally, using floats having a conical reflecting target comprising of new material (teflon insulated coppe...
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| Veröffentlicht in: | Ultrasonics sonochemistry 2002-11, Vol.9 (6), p.305-310 |
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| container_title | Ultrasonics sonochemistry |
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| creator | Swamy, K.M Keil, F.J |
| description | The radiation force float technique is extended in the present investigation, for the determination of the total radiated low ultrasonic power in the milliwatt region. It is elucidated, experimentally, using floats having a conical reflecting target comprising of new material (teflon insulated copper wire) stems with smaller diameters (0.55 and 1 mm). The sensitivity is improved with these two stems and the ultrasonic power levels are measured in the range from 1.4 to 140 mW and 4.6 to 460 mW respectively and the results are reproducible within ±5%. Limitations of float technique and factors influencing the uncertainties involved for the high quality ultrasonic power measurements are discussed. The proposed method is simple, versatile and inexpensive and can be used as an interim standard. |
| doi_str_mv | 10.1016/S1350-4177(02)00087-1 |
| format | Article |
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It is elucidated, experimentally, using floats having a conical reflecting target comprising of new material (teflon insulated copper wire) stems with smaller diameters (0.55 and 1 mm). The sensitivity is improved with these two stems and the ultrasonic power levels are measured in the range from 1.4 to 140 mW and 4.6 to 460 mW respectively and the results are reproducible within ±5%. Limitations of float technique and factors influencing the uncertainties involved for the high quality ultrasonic power measurements are discussed. 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The proposed method is simple, versatile and inexpensive and can be used as an interim standard.</description><subject>Acoustic power measurement</subject><subject>Calibration</subject><subject>Float method</subject><subject>Physical Phenomena</subject><subject>Physics</subject><subject>Radiation force</subject><subject>Radiometry - methods</subject><subject>Sensitivity and Specificity</subject><subject>Ultrasonic Therapy - instrumentation</subject><subject>Ultrasonics</subject><subject>Ultrasound</subject><issn>1350-4177</issn><issn>1873-2828</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkEtLxDAQx4Mo7vr4CEpPoofqJH2lJ5HFFyx40D14Cmk6dSNtsyapy357sw_xKAQmDL-ZP_Mj5IzCNQWa37zSJIM4pUVxCewKAHgR0z0yprxIYsYZ3w__X2REjpz7DFBSMjgkI8pSSIsyG5P3WeutdKbXKlqYJdqoQ-kGix323kW6j_wco063rV5K7yOLH9r0UbXa9K2stfTrRmOswqhpjfRhg5-b-oQcNLJ1eLqrx2T2cP82eYqnL4_Pk7tprFLgPm5QhcfLJCtKQJ7kGSYZb0Kpk5JmwLmsoEIKaU4rSYs6B8wrphRrWA2KJsfkYrt3Yc3XgM6LTjuFbSt7NIMTBcuDBgoBzLagssY5i41YWN1JuxIUxNqp2DgVa2ECmNg4FeuA813AUHVY_03tJAbgdgtgOPNboxVOaewV1tqi8qI2-p-IH_gih0Q</recordid><startdate>20021101</startdate><enddate>20021101</enddate><creator>Swamy, K.M</creator><creator>Keil, F.J</creator><general>Elsevier B.V</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>20021101</creationdate><title>Ultrasonic power measurements in the milliwatt region by the radiation force float method</title><author>Swamy, K.M ; Keil, F.J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c408t-fecfec8935790e8365e358f65ed3915088ab0be10461ba17d60e6b2cc2f2d0c13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Acoustic power measurement</topic><topic>Calibration</topic><topic>Float method</topic><topic>Physical Phenomena</topic><topic>Physics</topic><topic>Radiation force</topic><topic>Radiometry - methods</topic><topic>Sensitivity and Specificity</topic><topic>Ultrasonic Therapy - instrumentation</topic><topic>Ultrasonics</topic><topic>Ultrasound</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Swamy, K.M</creatorcontrib><creatorcontrib>Keil, F.J</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>Ultrasonics sonochemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Swamy, K.M</au><au>Keil, F.J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ultrasonic power measurements in the milliwatt region by the radiation force float method</atitle><jtitle>Ultrasonics sonochemistry</jtitle><addtitle>Ultrason Sonochem</addtitle><date>2002-11-01</date><risdate>2002</risdate><volume>9</volume><issue>6</issue><spage>305</spage><epage>310</epage><pages>305-310</pages><issn>1350-4177</issn><eissn>1873-2828</eissn><abstract>The radiation force float technique is extended in the present investigation, for the determination of the total radiated low ultrasonic power in the milliwatt region. 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| ispartof | Ultrasonics sonochemistry, 2002-11, Vol.9 (6), p.305-310 |
| issn | 1350-4177 1873-2828 |
| language | eng |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Acoustic power measurement Calibration Float method Physical Phenomena Physics Radiation force Radiometry - methods Sensitivity and Specificity Ultrasonic Therapy - instrumentation Ultrasonics Ultrasound |
| title | Ultrasonic power measurements in the milliwatt region by the radiation force float method |
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