Opto-acoustic measurement of the local light absorption coefficient in turbid media: 2. On the possibility of light absorption coefficient measurement in a turbid medium from the amplitude of the opto-acoustic signal
The second part of this work describes the experimental technique of measuring the local light absorption in turbid media. The technique is based on the measurement of the amplitude of an opto-acoustic (OA) signal excited in a turbid medium under the condition of one-sided access to the object under...
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| Veröffentlicht in: | Quantum electronics (Woodbury, N.Y.) N.Y.), 2009-09, Vol.39 (9), p.835-838 |
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| container_title | Quantum electronics (Woodbury, N.Y.) |
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| creator | Pelivanov, Ivan M Barskaya, M I Podymova, N B Khokhlova, Tanya D Karabutov, Aleksander A |
| description | The second part of this work describes the experimental technique of measuring the local light absorption in turbid media. The technique is based on the measurement of the amplitude of an opto-acoustic (OA) signal excited in a turbid medium under the condition of one-sided access to the object under study. An OA transducer is developed to perform the proposed measurement procedure. Experiments are conducted for the turbid media with different optical properties (light absorption and reduced scattering coefficients) and for different diameters of the incident laser beam. It is found that the laser beam diameter can be chosen so that the dependences of the measured OA signal amplitude on the light absorption coefficient coincide upon varying the reduced scattering coefficient by more than twice. The obtained numerical and experimental results demonstrate that the OA method is applicable for measuring the local light absorption coefficient in turbid media, for example, in biological tissues. (measurement of parametrs of laser radiation) |
| doi_str_mv | 10.1070/QE2009v039n09ABEH013984 |
| format | Article |
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Experiments are conducted for the turbid media with different optical properties (light absorption and reduced scattering coefficients) and for different diameters of the incident laser beam. It is found that the laser beam diameter can be chosen so that the dependences of the measured OA signal amplitude on the light absorption coefficient coincide upon varying the reduced scattering coefficient by more than twice. The obtained numerical and experimental results demonstrate that the OA method is applicable for measuring the local light absorption coefficient in turbid media, for example, in biological tissues. 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On the possibility of light absorption coefficient measurement in a turbid medium from the amplitude of the opto-acoustic signal</title><title>Quantum electronics (Woodbury, N.Y.)</title><description>The second part of this work describes the experimental technique of measuring the local light absorption in turbid media. The technique is based on the measurement of the amplitude of an opto-acoustic (OA) signal excited in a turbid medium under the condition of one-sided access to the object under study. An OA transducer is developed to perform the proposed measurement procedure. Experiments are conducted for the turbid media with different optical properties (light absorption and reduced scattering coefficients) and for different diameters of the incident laser beam. It is found that the laser beam diameter can be chosen so that the dependences of the measured OA signal amplitude on the light absorption coefficient coincide upon varying the reduced scattering coefficient by more than twice. The obtained numerical and experimental results demonstrate that the OA method is applicable for measuring the local light absorption coefficient in turbid media, for example, in biological tissues. (measurement of parametrs of laser radiation)</description><subject>ABSORPTION</subject><subject>ACOUSTIC MEASUREMENTS</subject><subject>AMPLITUDES</subject><subject>BEAMS</subject><subject>ELECTROMAGNETIC RADIATION</subject><subject>INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY</subject><subject>LASER RADIATION</subject><subject>LIGHT SCATTERING</subject><subject>MEASURING METHODS</subject><subject>OPTICAL PROPERTIES</subject><subject>PHOTON BEAMS</subject><subject>PHYSICAL PROPERTIES</subject><subject>RADIATIONS</subject><subject>SCATTERING</subject><subject>SIGNALS</subject><subject>SORPTION</subject><subject>TRANSDUCERS</subject><subject>VISIBLE RADIATION</subject><issn>1063-7818</issn><issn>1468-4799</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqVkl1rFDEUhoeiYK3-BgPiRS-m5mtnkt5ty9oKhUXQ63AmH92UmWRIMkL_qT_HbFdLhSp4lQN5n-ckOWmadwSfEdzjj182FGP5HTMZsFxfbK4xYVLwo-aY8E60vJfyRa1xx9peEPGqeZ3zHca4Jx07bn5s5xJb0HHJxWs0WchLspMNBUWHys6iMWoY0ehvdwXBkGOai48B6Wid89rvkz6gsqTBm8obD-eInqFteKDnmLMf_OjL_V74T83T5lUJT6XLhFyK04MTprn6FmN_HzH-cYfsbwOMb5qXDsZs3_5aT5pvnzZfL6_bm-3V58v1TauZpKUVtsOOS9MZOXBtB-Cc91R0oDmAs2JVN6imhBlMVwK4BieIYUDNivW2VifN-4M31uYqa1-s3ukYgtVFUcJ7gqWoqf6Q0qk-SLJOzclPkO4VwWo_RvWXMVbyw4GcIddBuARB-_yIU8qIYETWHD3kfJz_Q376HNQxtf8qikkl1ZoQNRvHfgL-XcAi</recordid><startdate>20090930</startdate><enddate>20090930</enddate><creator>Pelivanov, Ivan M</creator><creator>Barskaya, M I</creator><creator>Podymova, N B</creator><creator>Khokhlova, Tanya D</creator><creator>Karabutov, Aleksander A</creator><general>IOP Publishing</general><general>Kvantovaya Elektronika</general><general>Turpion</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20090930</creationdate><title>Opto-acoustic measurement of the local light absorption coefficient in turbid media: 2. On the possibility of light absorption coefficient measurement in a turbid medium from the amplitude of the opto-acoustic signal</title><author>Pelivanov, Ivan M ; Barskaya, M I ; Podymova, N B ; Khokhlova, Tanya D ; Karabutov, Aleksander A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-8e60f49d6d9b4ceba4447286ac4aafe856d92c213d0258a4caf81d3a2d537e1d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>ABSORPTION</topic><topic>ACOUSTIC MEASUREMENTS</topic><topic>AMPLITUDES</topic><topic>BEAMS</topic><topic>ELECTROMAGNETIC RADIATION</topic><topic>INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY</topic><topic>LASER RADIATION</topic><topic>LIGHT SCATTERING</topic><topic>MEASURING METHODS</topic><topic>OPTICAL PROPERTIES</topic><topic>PHOTON BEAMS</topic><topic>PHYSICAL PROPERTIES</topic><topic>RADIATIONS</topic><topic>SCATTERING</topic><topic>SIGNALS</topic><topic>SORPTION</topic><topic>TRANSDUCERS</topic><topic>VISIBLE RADIATION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pelivanov, Ivan M</creatorcontrib><creatorcontrib>Barskaya, M I</creatorcontrib><creatorcontrib>Podymova, N B</creatorcontrib><creatorcontrib>Khokhlova, Tanya D</creatorcontrib><creatorcontrib>Karabutov, Aleksander A</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Quantum electronics (Woodbury, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pelivanov, Ivan M</au><au>Barskaya, M I</au><au>Podymova, N B</au><au>Khokhlova, Tanya D</au><au>Karabutov, Aleksander A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Opto-acoustic measurement of the local light absorption coefficient in turbid media: 2. On the possibility of light absorption coefficient measurement in a turbid medium from the amplitude of the opto-acoustic signal</atitle><jtitle>Quantum electronics (Woodbury, N.Y.)</jtitle><date>2009-09-30</date><risdate>2009</risdate><volume>39</volume><issue>9</issue><spage>835</spage><epage>838</epage><pages>835-838</pages><issn>1063-7818</issn><eissn>1468-4799</eissn><abstract>The second part of this work describes the experimental technique of measuring the local light absorption in turbid media. The technique is based on the measurement of the amplitude of an opto-acoustic (OA) signal excited in a turbid medium under the condition of one-sided access to the object under study. An OA transducer is developed to perform the proposed measurement procedure. Experiments are conducted for the turbid media with different optical properties (light absorption and reduced scattering coefficients) and for different diameters of the incident laser beam. It is found that the laser beam diameter can be chosen so that the dependences of the measured OA signal amplitude on the light absorption coefficient coincide upon varying the reduced scattering coefficient by more than twice. The obtained numerical and experimental results demonstrate that the OA method is applicable for measuring the local light absorption coefficient in turbid media, for example, in biological tissues. (measurement of parametrs of laser radiation)</abstract><cop>London</cop><pub>IOP Publishing</pub><doi>10.1070/QE2009v039n09ABEH013984</doi><tpages>4</tpages></addata></record> |
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| ispartof | Quantum electronics (Woodbury, N.Y.), 2009-09, Vol.39 (9), p.835-838 |
| issn | 1063-7818 1468-4799 |
| language | eng |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | ABSORPTION ACOUSTIC MEASUREMENTS AMPLITUDES BEAMS ELECTROMAGNETIC RADIATION INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY LASER RADIATION LIGHT SCATTERING MEASURING METHODS OPTICAL PROPERTIES PHOTON BEAMS PHYSICAL PROPERTIES RADIATIONS SCATTERING SIGNALS SORPTION TRANSDUCERS VISIBLE RADIATION |
| title | Opto-acoustic measurement of the local light absorption coefficient in turbid media: 2. On the possibility of light absorption coefficient measurement in a turbid medium from the amplitude of the opto-acoustic signal |
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