Optical bistability was observed and studied in the output of reflected beam as well as in that of m-lines in a doped polymer thin film quasi-waveguide.The physical origin was demonstrated to be the existence of a mod...Optical bistability was observed and studied in the output of reflected beam as well as in that of m-lines in a doped polymer thin film quasi-waveguide.The physical origin was demonstrated to be the existence of a mode spectrum and the high third order nonlinearity of the polymer film.It was also observed for the first time that the intensity variation of the reflected beam and the m-line in the hysteresis loops are complementary to each other.展开更多
The broadband fluorescence guided-waves excited in DANS/PMMA polymer thin film waveguides by an Ar+laser beam were demonstrated in terms of the observation of mlines with colour array.Considering the high brightness o...The broadband fluorescence guided-waves excited in DANS/PMMA polymer thin film waveguides by an Ar+laser beam were demonstrated in terms of the observation of mlines with colour array.Considering the high brightness of these m-lines observation,we assert that it is a kind of stimulated amplification of fluorescence guided-wave.展开更多
Optical bistability hysteresis loop has been observed experimentally with a setup using prism excitation of surface wave in a doped polymer thin film.A simple model has been developed to analyze its operation.The obse...Optical bistability hysteresis loop has been observed experimentally with a setup using prism excitation of surface wave in a doped polymer thin film.A simple model has been developed to analyze its operation.The observed bistability hysteresis loop can be explained in terms of surface plasmon excitation and laser induced refractive index variations.展开更多
Optical bistability hysteresis loop has been observed experiment ally with a setup using prism excitation of surface wave in a doped polymer thin film.A simple model has been developed to analyze its operation.The obs...Optical bistability hysteresis loop has been observed experiment ally with a setup using prism excitation of surface wave in a doped polymer thin film.A simple model has been developed to analyze its operation.The observed bistability hysteresis loop can be explained in terms of surface plasmon excitation and laser induced refractive index variations.展开更多
基金Supported by the National Natural Science Foundation of Chinathe National 863 high-tech.Bond of China.
文摘Optical bistability was observed and studied in the output of reflected beam as well as in that of m-lines in a doped polymer thin film quasi-waveguide.The physical origin was demonstrated to be the existence of a mode spectrum and the high third order nonlinearity of the polymer film.It was also observed for the first time that the intensity variation of the reflected beam and the m-line in the hysteresis loops are complementary to each other.
基金the National Natural Science Foundation of China,and by the National 863 High-Tech.Bond of China.
文摘The broadband fluorescence guided-waves excited in DANS/PMMA polymer thin film waveguides by an Ar+laser beam were demonstrated in terms of the observation of mlines with colour array.Considering the high brightness of these m-lines observation,we assert that it is a kind of stimulated amplification of fluorescence guided-wave.
基金Supported by the National Natural Science Foundation of China。
文摘Optical bistability hysteresis loop has been observed experimentally with a setup using prism excitation of surface wave in a doped polymer thin film.A simple model has been developed to analyze its operation.The observed bistability hysteresis loop can be explained in terms of surface plasmon excitation and laser induced refractive index variations.
基金Supported by the National Natural Science Foundation of China。
文摘Optical bistability hysteresis loop has been observed experiment ally with a setup using prism excitation of surface wave in a doped polymer thin film.A simple model has been developed to analyze its operation.The observed bistability hysteresis loop can be explained in terms of surface plasmon excitation and laser induced refractive index variations.
