2016 Fiscal Year Final Research Report
Development of terahertz spectroscopic system with compactness and wide frequency range
Project/Area Number |
25286075
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Partial Multi-year Fund |
Section | 一般 |
Research Field |
Optical engineering, Photon science
|
Research Institution | Institute of Physical and Chemical Research |
Principal Investigator |
Nawata Kouji 国立研究開発法人理化学研究所, 光量子工学研究領域, 基礎科学特別研究員 (90586405)
|
Co-Investigator(Renkei-kenkyūsha) |
Minamide Hiroaki 理化学研究所, 光量子工学研究領域テラヘルツ光源研究チーム, リームリーダー (10322687)
|
Project Period (FY) |
2013-04-01 – 2017-03-31
|
Keywords | 非線形光学波長変換 / 差周波発生 / 近赤外レーザー / テラヘルツ波 |
Outline of Final Research Achievements |
Widely tunable THz-wave generation based on difference frequency generation and THz-wave up-conversion detection were demonstrated. As extending to lower frequency generated by DFG method, injection-seeding technique was applied. THz-wave generation with the tunability from 0.3 THz to 4 THz was demonstrated. To improve the signal/noise ratio for spectroscopic measurement, sensitive up-conversion detection was also demonstrated. As a result, minimum detectable THz-wave energy was 100 aJ/pulse, which was exceeding cryogenically cooled Si-bolometer.
|
Free Research Field |
非線形光学
|