Self-focusing and self-trapping of light in common liquid media such as Chinese tea, Chinese herbal medicine, and solutions of chlorophyll have been observed. These materials are found to be new types of natural Kerr media, and their nonlinear coefficients have been determined. Laser-heating-induced self-phase modulation in these materials has also been observed.
© 1989 Optical Society of America
Original Manuscript: December 20, 1988
Manuscript Accepted: April 14, 1989
Published: July 1, 1989
Hong-Jun Zhang, Jian-Hua Dai, Peng-Ye Wang, and Ling-An Wu, "Self-focusing and self-trapping in new types of Kerr media with large nonlinearities," Opt. Lett. 14, 695-696 (1989)