Conference proceeding
RF and Microwave Photonic Techniques in Biomedical applications
2009 IEEE SARNOFF SYMPOSIUM, CONFERENCE PROCEEDINGS, pp.418-423
01 Jan 2009
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
This invited paper addresses various "Microwave Photonics" techniques developed for biomedical applications. The first application is using RF photonics technique for calibration of ultrasound transducers operating at high-frequencies without spatial field averaging compromise. In particular a broadband fiber-optic based hydrophone probe is reported for measurements of acoustic fields at the frequencies up to 100 MHz. In another application of microwave photonics, tissue spectroscopy is performed using multi-wavelength absorption and scattering in near infrared. A high speed and high power laser driver is designed with a flat frequency response using RC speed up circuits in high power lasers. Phantom experiments are performed to extract optical parameters. Multi-frequency data fitting algorithm is performed to extract optical parameters of the phantom model simulating a breast tissue. The optical parameters (mu a, mu s') are extracted with a very good accuracy. These low cost techniques are replacement for other expensive sub-centimeter spatial resolution medical imaging methods.
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Details
- Title
- RF and Microwave Photonic Techniques in Biomedical applications
- Creators
- Afshin S. DaryoushIEEE
- Publication Details
- 2009 IEEE SARNOFF SYMPOSIUM, CONFERENCE PROCEEDINGS, pp.418-423
- Conference
- 2009 IEEE SARNOFF SYMPOSIUM
- Series
- IEEE Sarnoff Symposium
- Publisher
- IEEE
- Number of pages
- 6
- Resource Type
- Conference proceeding
- Language
- English
- Academic Unit
- Electrical and Computer Engineering
- Identifiers
- 991019170327204721
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