| Project/Area Number |
15K05547
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Analytical chemistry
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| Research Institution | Keio University |
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Principal Investigator |
Hasegawa Taro 慶應義塾大学, 理工学部(矢上), 講師 (80289305)
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| Co-Investigator(Kenkyū-buntansha) |
佐々田 博之 慶應義塾大学, 理工学部(矢上), 教授 (30146576)
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Keywords | 光周波数コム / 高分解能分光 / ヘテロダイン分光 / 位相変調 / 広帯域分光 / 赤外線分光 / ヘテロダイン検出 |
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| Outline of Final Research Achievements |
We developed a fast spectroscopic scheme for high-resolution and broadband spectroscopy of molecules absorbing in the near infrared ligh. This scheme is a new spectroscopy using "optical frequency comb" as a light source for spectroscopy. With this spectroscopy, high-resolution, fast, and sensitive spectroscopy can be performed.
In additioni, in order to improve the mode density of the optical frequency comb, a multiplication scheme using phase modulation was developed. By combining these two schemes, direct spectroscopy of optical frequency comb with higher resolution than before can be performed.
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