Construction of a subpicosecond double-beam laser photolysis system utilizing a femtosecond Ti:sapphire oscillator and three Ti:sapphire amplifiers (a regenerative amplifier and two double passed linear amplifiers), and measurements of the transient absorption spectra by a pump-probe method

Toshihiro Nakayama, Yutaka Amijima, Kazuyasu Ibuki, +1

Review of Scientific Instruments

EngineeringLaser ApplicationsAbsorption SpectroscopyChemistryFemtosecond Ti +18

Nonradiative relaxation process of the higher excited states of meso-substituted anthracenes

Kumao Hamanoue, Satoshi Hirayama, Toshihiro Nakayama, +1

The Journal of Physical Chemistry

Localized Excited StateChemical AnalysisAltmetric Attention ScoreOrganic ChemistryChemistry +18

The absorption kinetics of photoreductions of anthraquinone and 1-chloroanthraquinone by triethylamine in toluene and ethanol

Kumao Hamanoue, Kazuo Yokoyama, Yōichi Kajiwara, +3

Chemical Physics Letters

Chemical EngineeringEngineeringPhotochemistryMechanistic PhotochemistrySynthetic Photochemistry +7

Implementation of an image intensifier coupled with a linear position-sensitive detector for measurements of absorption and emission spectra from the nanosecond to millisecond time regime

Kiminori Ushida, Toshihiro Nakayama, Takeshi Nakazawa, +4

Review of Scientific Instruments

Image SensorLaser PhotochemistryNanosecond Ruby LaserImaging SpectroscopySpectroscopy +12

The lowest triplet states of anthraquinone and chloroanthraquinones: The 1-chloro, 2-chloro, 1,5-dichloro, and 1,8-dichloro compounds

Kumao Hamanoue, Toshihiro Nakayama, Yōichi Kajiwara, +2

The Journal of Chemical Physics

Phosphorescence ImagingEngineeringHeterocyclicBiochemistryPhotochemistry +12

Phosphorescence spectra and triplet lifetimes of halogenoanthraquinones

Kumao Hamanoue, Yōichi Kajiwara, Takao Miyake, +3

Chemical Physics Letters

Phosphorescence ImagingEngineeringPhotochemistryOrganic ChemistryChemistry +4

Temperature dependence of the nonradiative relaxation process of the lowest excited singlet states of meso-substituted bromoanthracenes

Masanao Tanaka, Ikuzo Tanaka, Shigeyoshi Tai, +3

The Journal of Physical Chemistry

Relaxation ProcessLocalized Excited StateEngineeringChemical AnalysisTemperature Dependence +19

Photophysics and photochemistry of nitroanthracenes. Part 2. Primary process in the photochemical reaction of 9-nitroanthracene studied by steady-state photolysis and laser photolysis

Kumao Hamanoue, Toshihiro Nakayama, Kanji Kajiwara, +2

Journal of the Chemical Society Faraday Transactions

Chemical EngineeringLaser PhotolysisEngineeringPhotoredox ProcessPhotochemistry +12

Photoenolization of 2-methylbenzophenone studied by picosecond and nanosecond laser spectroscopy

T. Nakayama, Kumao Hamanoue, Toshiharu Hidaka, +2

Journal of Photochemistry

Chemical EngineeringEngineeringPhotochemistryLaser PhotochemistryOptical Properties +6

Excimer formation of neat benzene derivatives studied by picosecond spectroscopy

Kumao Hamanoue, Toshiharu Hidaka, Toshihiro Nakayama, +1

Chemical Physics Letters

EngineeringPhotochemistryPhysicsNatural SciencesSpectroscopy +10