2012 Fiscal Year Final Research Report
Development of ultra-wideband THz ATR spectroscopy system and measurement of intermolecular vibrations in phase shift of water
| Project/Area Number |
23760058
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Applied optics/Quantum optical engineering
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| Research Institution | The Institute of Physical and Chemical Research |
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Principal Investigator |
NOTAKE Takashi 独立行政法人理化学研究所, テラヘルツ光源研究チーム, 特別研究員 (70413995)
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| Project Period (FY) |
2011 – 2012
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| Keywords | テラヘルツ / 全反射減衰分光 |
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| Research Abstract |
The purpose of this research is to develop ultra-wideband THz spectroscopy system which can generate and detect from 1 to 20 THz waves. Then, to observe difference of absorptions caused by stretching and libration vibration modes between water molecules by using the system. We developed ATR spectroscopy system by using DAST and BNA crystals and then tried to spectroscopy measurement for water samples. Because of large absorption due to water and silicon prisme, no clear transmittance signals can be obtained yet. Modification of SN ratio of the system is under development.
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