Title :
Estimation of refractive index distribution inside transparent materials by use of four-wave mixing process
Author :
Kawasumi, Takehito ; Isobe, Keisuke ; Tamaki, Takayuki ; Kataoka, Shogo ; Ozeki, Yasuyuki ; Itoh, Kazuyoshi
Author_Institution :
Department of Material and Life Science, Graduate School of Engineering, Osaka University 2-1, Yamadaoka, Suita, 565-0871, Japan
Abstract :
By focusing a femtosecond laser pulse and measuring the resultant four-wave mixing (FWM) signal, we successfully estimate refractive index distribution inside a transparent sample based on the analytical expression for FWM intensity and refractive index.
Keywords :
Four-wave mixing; Nonlinear optical devices; Nonlinear optics; Optical materials; Optical mixing; Optical pulses; Optical refraction; Optical variables control; Refractive index; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431208
