| Project/Area Number |
21760308
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Measurement engineering
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| Research Institution | Chiba University |
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Principal Investigator |
SHIMOBABA Tomoyoshi Chiba University, 大学院・工学研究科, 准教授 (20360563)
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| Project Period (FY) |
2009 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2010: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2009: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Keywords | 顕微鏡 / デジタルホログラフィック顕微鏡 / ホログラフィ / デジタルホログラフィ / GPU / DHM / 3次元顕微鏡 / 波動光学 |
|---|
| Research Abstract |
In this study, we propose a DHM observable in multi-view and multi-resolution. The DHM can obtain multiple reconstructed images with arbitrary resolution, depths and positions, using shifted- Fresnel diffraction, instead of Fresnel diffraction. Shifted-Fresnel diffraction based on Fresnel diffraction can calculate a reconstructed image with different sampling spacings between the hologram and the reconstructed image, as well as a shift away from the propagation axis. In addition, we used four graphics processing unit (GPU) chips in order to observe four reconstructed images in real-time from one hologram.
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