Title :
Negative nonlinear refraction of simple molecular liquids studied with a femtosecond laser pulse
Author :
Chen, Chen-Wei ; Tang, Jaw-Luen ; Chung, Kuo-Hsiang ; Wei, Tai-Huei ; Huang, Tzer-Hsiang
Author_Institution :
Dept. of Phys., Nat. Chung-Cheng Univ., Chia-Yi
Abstract :
We observed a negative lensing effect in transparent molecular liquids (methanol and acetic acid) with 28 femtosecond laser pulses. In this paper, we propose two possible mechanisms to explain why the sign is opposite to that observed with picosecond and nanosecond laser pulses.
Keywords :
high-speed optical techniques; light refraction; nonlinear optics; organic compounds; refractive index; transparency; acetic acid; femtosecond laser pulse; methanol; molecular liquids; negative lensing effect; negative refraction; nonlinear refraction; time 28 fs; transparent liquids; Absorption; Apertures; Laser beams; Liquids; Methanol; Optical pulse generation; Optical pulses; Optical refraction; Resonance; Space vector pulse width modulation;
Conference_Titel :
Lasers and Electro-Optics - Pacific Rim, 2007. CLEO/Pacific Rim 2007. Conference on
Conference_Location :
Seoul
Print_ISBN :
978-1-4244-1173-3
Electronic_ISBN :
978-1-4244-1174-0
DOI :
10.1109/CLEOPR.2007.4391091
