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|a eng
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|a Li, Changhui
|e verfasserin
|4 aut
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|a High-numerical-aperture-based virtual point detectors for photoacoustic tomography
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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|a Date Revised 29.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The focal point of a high-numerical-aperture (NA) ultrasonic transducer can be used as a virtual point detector. This virtual point detector detects omnidirectionally over a wide acceptance angle. It also combines a large active transducer surface and a small effective virtual detector size. Thus the sensitivity is high compared with that of a real point detector, and the aperture effect is small compared with that of a finite size transducer. We present two kinds of high-NA-based virtual point detectors and their successful application in photoacoustic tomography. They can also be applied in other ultrasound-related fields
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|a Journal Article
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|a Wang, Lihong V
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Applied physics letters
|d 1998
|g 93(2008), 3 vom: 21. Juli, Seite 33902
|w (DE-627)NLM098165984
|x 0003-6951
|7 nnns
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| 773 |
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|g volume:93
|g year:2008
|g number:3
|g day:21
|g month:07
|g pages:33902
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