Title :
Excited state absorption and femtosecond lifetime dynamics in a new series of near IR dyes
Author :
Webster, Scott ; Padilha, Lazaro A. ; Hu, Honghua ; Przhonska, Olga V. ; Hagan, David J. ; Van Stryland, Eric W. ; Bondar, Mikhail V. ; Davydenko, Iryna G. ; Slominsky, Yuriy L. ; Kachkovski, Alexei D.
Author_Institution :
CREOL&FPCE, The Coll. of Opt. & Photonics, Univ. of Central Florida, Orlando, FL
Abstract :
Large excited-state-absorption (ESA) spectra and lifetime dynamics for a new series of NIR cyanine-like dyes are compared to similar visible dyes. Strongly red-shifted (200-300 nm) and increased ESA are observed and explained through quantum-chemical calculations.
Keywords :
dyes; excited states; high-speed optical techniques; infrared spectra; nonlinear optics; optical materials; red shift; excited-state-absorption spectra; femtosecond lifetime dynamics; near IR cyanine-like dyes; nonlinear spectroscopic investigation; quantum-chemical calculations; red-shifted spectra; wavelength 200 nm to 300 nm; Bonding; Electromagnetic wave absorption; Nonlinear optics; Optical pumping; Optical signal processing; Photochemistry; Physics; Spectroscopy; Stability; Ultrafast optics; 160.4330; 190.4710;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
