| Presentation | 2005/7/21 Measurement of ultrasound fields using optical-beam deflection method Kouki YAMAGUCHI, P. K. CHOI, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Optical-beam deflection by ultrasound is realized when the beam width is small enough compared to the sound wavelength. The optical output angle is proportional to the sound pressure. We observed the focused sound field in water at 2MHz by scanning the incident laser position in the directions of propagation axis and transducer radial axis. Comparing with the results of hydrophone measurements and theoretical calculation, we found a reasonable agreement for the main-lobe peak, and disagreement for the side-lobe. The phase near the focal point was measured to be almost constant along the radial direction. The results were explained by considering the optical integrated effects along the laser beam path. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | optical-beam deflection method / optical integrated effects / hydrophone / focused sound field / phase |
| Paper # | US2005-27 |
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| Conference Information | |
| Committee | US |
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| Conference Date | 2005/7/21(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Chair | |
| Vice Chair | |
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| Paper Information | |
| Registration To | Ultrasonics (US) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Measurement of ultrasound fields using optical-beam deflection method |
| Sub Title (in English) | |
| Keyword(1) | optical-beam deflection method |
| Keyword(2) | optical integrated effects |
| Keyword(3) | hydrophone |
| Keyword(4) | focused sound field |
| Keyword(5) | phase |
| 1st Author's Name | Kouki YAMAGUCHI |
| 1st Author's Affiliation | Depertment of Physics, School of Science and Technology, Meiji University() |
| 2nd Author's Name | P. K. CHOI |
| 2nd Author's Affiliation | Depertment of Physics, School of Science and Technology, Meiji University |
| Date | 2005/7/21 |
| Paper # | US2005-27 |
| Volume (vol) | vol.105 |
| Number (no) | 212 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |