Photoacoustic imaging of blood vessels with a double-ring sensor featuring a narrow angular aperture
A photoacoustic double-ring sensor, featuring a narrow angular aperture, is developed for laser-induced photoacoustic imaging of blood vessels. An integrated optical fiber enables reflection-mode detection of ultrasonic waves. By using the cross-correlation between the signals detected by the two ri...
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| Veröffentlicht in: | Journal of Biomedical Optics 2004-11, Vol.9 (6), p.1327-1335 |
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| container_end_page | 1335 |
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| container_issue | 6 |
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| container_title | Journal of Biomedical Optics |
| container_volume | 9 |
| creator | Kolkman, Roy G. M Hondebrink, Erwin Steenbergen, Wiendelt van Leeuwen, Ton G de Mul, Frits F. M |
| description | A photoacoustic double-ring sensor, featuring a narrow angular aperture, is developed for laser-induced photoacoustic imaging of blood vessels. An integrated optical fiber enables reflection-mode detection of ultrasonic waves. By using the cross-correlation between the signals detected by the two rings, the angular aperture of the sensor is reduced by a factor of 1.9, from 1.5 to 0.8 deg. Consequently, photoacoustic images could be obtained in a manner analogous to the ultrasound B-scan mode. Next, the cross section of artificial blood vessels is visualized by reconstruction of the absorbed energy distribution. Finally,
imaging and the subsequent reconstruction of the absorbed energy distribution is demonstrated for superficial blood vessels in the human wrist. © |
| doi_str_mv | 10.1117/1.1805556 |
| format | Article |
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imaging and the subsequent reconstruction of the absorbed energy distribution is demonstrated for superficial blood vessels in the human wrist. ©</description><subject>Algorithms</subject><subject>blood vessel</subject><subject>Blood Vessels - diagnostic imaging</subject><subject>cross-correlation</subject><subject>Equipment Design</subject><subject>Equipment Failure Analysis</subject><subject>Humans</subject><subject>Image Interpretation, Computer-Assisted - methods</subject><subject>imaging</subject><subject>Lasers</subject><subject>optoacoustic</subject><subject>Phantoms, Imaging</subject><subject>Reproducibility of Results</subject><subject>Sensitivity and Specificity</subject><subject>Statistics as Topic</subject><subject>Tomography - instrumentation</subject><subject>Tomography - methods</subject><subject>Transducers</subject><subject>Ultrasonography - instrumentation</subject><subject>Ultrasonography - methods</subject><issn>1083-3668</issn><issn>1560-2281</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0D1PwzAQBmALgWgpDPwB5AmJIeCzEzceoaJ8qFI7wBw58aUNSuNiJ1T8e5y2ghEP9unu0Ul-CbkEdgsA4zu4hZQlSSKPyBASySLOUzgONUtFJKRMB-TM-w_GWCqVPCUDCDZVSTIkZrGyrdWF7XxbFbRa62XVLKktaV5ba-gXeo-1p9uqXVFNje3yGiPXG4-Nt46WqNtu19C00c7ZLdXNsqu1o3qDLszwnJyUuvZ4cXhH5H36-DZ5jmbzp5fJ_SwqBOdtlLNc5dqkpVIxchCFwHEeWlIWsZYCY61KHqPWqTBYQhInRo7B8EKaXHIjxIhc7_dunP3s0LfZuvIF1rVuMHwwC1rEsYj_hVwp4Jz38GYPC2e9d1hmGxcyct8ZsKzPPoPskH2wV4elXb5G8ycPYQfA98BvKvwdvz7MF9M564_a3ZIxEHy8q0H8AJYcjfU</recordid><startdate>20041101</startdate><enddate>20041101</enddate><creator>Kolkman, Roy G. 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imaging and the subsequent reconstruction of the absorbed energy distribution is demonstrated for superficial blood vessels in the human wrist. ©</abstract><cop>United States</cop><pmid>15568955</pmid><doi>10.1117/1.1805556</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Algorithms blood vessel Blood Vessels - diagnostic imaging cross-correlation Equipment Design Equipment Failure Analysis Humans Image Interpretation, Computer-Assisted - methods imaging Lasers optoacoustic Phantoms, Imaging Reproducibility of Results Sensitivity and Specificity Statistics as Topic Tomography - instrumentation Tomography - methods Transducers Ultrasonography - instrumentation Ultrasonography - methods |
| title | Photoacoustic imaging of blood vessels with a double-ring sensor featuring a narrow angular aperture |
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