Title :
Self-focusing of low intensity CW laser radiation in nickel alloy coated beam splitter
Author :
Zhang, Xiangsu ; Liu, Shou ; Chen, Xiaoyun
Author_Institution :
Dept. of Phys., Xiamen Univ., China
Abstract :
Self-focusing of 488 nm laser radiation with intensity around 42 W/cm2 has been observed in a nickel alloy coated beam splitter. The experimental results demonstrate that laser self-focusing occurs when the beam passes through the interface between the glass substrate, implying that a layer of nonlinear medium has been generated at the interface. The experimental results also indicate that the mechanism of the self-focusing is optic-thermal effect.
Keywords :
laser beams; nickel alloys; optical beam splitters; optical glass; optical self-focusing; photothermal effects; 488 nm; glass substrate; laser self-focusing; low intensity CW laser radiation; nickel alloy coated beam splitter; nonlinear medium; optic-thermal effect; Glass; Laser beams; Laser theory; Laser transitions; Nickel alloys; Nonlinear optics; Optical beam splitting; Optical refraction; Optical variables control; Refractive index;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on
Print_ISBN :
0-7803-7766-4
DOI :
10.1109/CLEOPR.2003.1274713
