Title :
Ionization and fragmentation of organic molecules by 0.8-1.5 μm femtosecond laser pulses
Author :
Nakashima, Nobuaki ; Tanaka, Michinori ; Kawaji, Mariko ; Yatsuhashi, Tomoyuki
Author_Institution :
Dept. of Chem., Osaka City Univ., Osaka, Japan
Abstract :
Molecular ions of alkylphenols and cyclohexane were found to be produced more effectively with longer wavelength excitation. The cation resonance would enhance the fragmentation in femtosecond ionization of the organic molecules.
Keywords :
high-speed optical techniques; molecule-photon collisions; organic compounds; photodissociation; photoionisation; positive ions; resonant states; alkylphenols; cation resonance; cyclohexane; femtosecond laser pulses; fragmentation; ionization; molecular ions; organic molecules; wavelength 0.8 mum to 1.5 mum; Absorption; Bonding; Ionization; Laser excitation; Mass spectroscopy; Optical pulse generation; Optical pulses; Pulse amplifiers; Pump lasers; Ultrafast optics; alkylbenzene; cyclohexane; molecular ion; nonylphenol;
Conference_Titel :
Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics, 2009. CLEO/PACIFIC RIM '09. Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3829-7
Electronic_ISBN :
978-1-4244-3830-3
DOI :
10.1109/CLEOPR.2009.5292380