کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10691789 1019610 2014 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Characterizing Phantom Arteries with Multi-channel Laser Ultrasonics and Photo-acoustics
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم آکوستیک و فرا صوت
پیش نمایش صفحه اول مقاله
Characterizing Phantom Arteries with Multi-channel Laser Ultrasonics and Photo-acoustics
چکیده انگلیسی
Multi-channel photo-acoustic and laser ultrasonic waves are used to sense the characteristics of proxies for healthy and diseased vessels. The acquisition system is non-contacting and non-invasive with a pulsed laser source and a laser vibrometer detector. As the wave signatures of our targets are typically low in amplitude, we exploit multi-channel acquisition and processing techniques. These are commonly used in seismology to improve the signal-to-noise ratio of data. We identify vessel proxies with a diameter on the order of 1 mm, at a depth of 18 mm. Variations in scattered and photo-acoustic signatures are related to differences in vessel wall properties and content. The methods described have the potential to improve imaging and better inform interventions for atherosclerotic vessels, such as the carotid artery.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ultrasound in Medicine & Biology - Volume 40, Issue 3, March 2014, Pages 513-520
نویسندگان
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