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A. 研究内容
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**''[[Recent results]]'' [#u19f206a]
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**Overview [#efc41eed]
テラヘルツ波などの新しい光源や超高速レーザーをもちいた新しい分光法を開発、駆使して、固体、液体などの凝縮状態の基底状態や励起状態、光エネルギーの変換過程を解明する。また、光と物質の相互作用を利用して新奇な物性を導く手法やそれに適した物質群の研究もおこなっている。
現在進行中の研究プロジェクトは大きく分けて以下の5つである。
A. Research Areas~
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Our research interest is to explore optical properties of various condensed matters with various spectroscopes. By revealing the interaction between light and matters, we give rise to new functional phenomena related to underlying peculiar phases induced by photo-excitation.
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The current research topics can be divided into the following:
光誘起相転移現象の解明
* Photo-induced phase transition
* Ultrasfast spectroscopy
* New spectroscopy in THz frequency region
* New laser spectroscopy to reveal phase transition in ferroelectric or ferromagnetic materials
* Pulse magnetic resonance spectroscopy in functional light-emitting materials
超短パルスレーザーを用いた１０フェムト秒領域分光（10-14秒）超高速緩和現象
テラヘルツ放射をもちいた新分光法の開拓
強誘電体や強磁性体の相転移現象を解明するための新しいレーザー分光法の開拓
パルスパルス磁気共鳴法による機能性発光材料の研究
B. Laboratories and equipments~
Laser
* Gas laser
* Solid laser
* Semiconductor laser
* Ultrashort pulse laser
Tsunami (Ti:Sapphire laser)
Spitfire
Spitfire/OPA
10fs laser system
Spectral device
* Absorption measurement
UV-PC
FT-IR
* Dielectric measurement
THz TDS
Dielectric measuring device
* Luminescence measurement
Excitation Spectrum
Time-correlated single photon counting technique
* Ultrafast spectroscopy
* Raman spectroscopy
Non-resonance infrared
Resonance visible
Time-resolved
* ESR measurement
Electron spin resonance
Cryostat, etc
* Liquid helium storage type
* Liquid helium flow type
* Microscopic spectroscopy type
Crystals or samples
* Image furnace
* Box furnace
* Synthesizer of the spin crossover complexes
* X-ray diffractometer
Laboratories
* Room 112
* Room 119
