2000 Fiscal Year Final Research Report Summary
THREE DIMENSIONAL MEASUREMENTS OF NEAR-INFRARED TOMOGRAPHY
| Project/Area Number |
11555111
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| Research Category |
Grant-in-Aid for Scientific Research (B).
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| Allocation Type | Single-year Grants |
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| Section | 展開研究 |
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| Research Field |
Measurement engineering
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| Research Institution | KOBE UNIVERSITY |
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Principal Investigator |
YOSHIMURA Takeaki Kobe University, Faculty of Engineering, Associate Professor, 工学部, 助教授 (70031127)
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| Co-Investigator(Kenkyū-buntansha) |
NAKAGAWA Kiyoshi Kobe University, Faculty of Engineering, Research Associate, 工学部, 助手 (50198032)
MINEMOTO Takumi Kobe University, Faculty of Engineering, Professor, 工学部, 教授 (60031093)
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| Project Period (FY) |
1999 – 2000
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| Keywords | bio-tissue / tomography / interferometry / OFDR / OCDR / OCT / ballistic light / multiple scattering |
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| Research Abstract |
Optical coherence tomography has been investigated by producing two kinds of systems, based on an optical coherence domain reflectometry and an optical frequency domain reflectometry. The results are as follows :
1. Optical Coherence Domain Reflectometry (OCDR)
(1) Realization of a low coherence light source which has a bandwidth of 37 nm by means of laser frequency scanning.
(2) Amplitude detection and imaging of interference signals by means of variance caluculations.
(3) Tomographic imaging of onion cells with a spatial resolution of 4x4x8 μ m.
2. Optical Frequency Domain Reflectometry (OFDR)
(1) Realization of a linearly frequency-scanned laser source without mode-hopping and synchronized resistration system for storing many flame images.
(2) Improvement of a system dynamic range upto 60 dB.
(3) Tomographic imaging of chikken tissue and born.
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