Time-resolved two-color interferometric imaging for femtosecond laser-induced breakdown in water

Author

Abraham, E. ; Minoshima, K. ; Matsumoto, H.

Author_Institution

Nat. Res. Lab. of Metrol., Ibaraki, Japan

Volume

2

fYear

1999

fDate

Aug. 30 1999-Sept. 3 1999

Firstpage

230

Abstract

Laser-induced breakdown (LIB) in liquids is of special interest due to its potential application in medicine. We have developed a fs two-color interferometer using an amplified mode-locked Ti:Al/sub 2/O/sub 3/ laser with 100 fs pulse width. we investigated the optical breakdown induced in water in a plane perpendicular to the direction of the pump beam. We identified and analyzed the formation and expansion of the LIB in fs, ps and ns time scales.

Keywords

high-speed optical techniques; laser beam effects; light interferometers; light interferometry; water; 100 fs; Al/sub 2/O/sub 3/:Ti; amplified mode-locked Ti:Al/sub 2/O/sub 3/ laser; femtosecond laser-induced breakdown; frequency doubling crystal; optical breakdown; phase shift; second harmonic beams; time-resolved two-color interferometric imaging; two-color interferometer; very hot dense plasma; water; Biomedical imaging; Electric breakdown; Laser excitation; Laser mode locking; Liquids; Optical imaging; Optical interferometry; Optical pulses; Pump lasers; Ultrafast optics;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 1999. CLEO/Pacific Rim '99. The Pacific Rim Conference on

Conference_Location

Seoul, South Korea

Print_ISBN

0-7803-5661-6

Type

conf

DOI

10.1109/CLEOPR.1999.811388

Filename

811388