Based on a parabolic coordinate system,we theoretically design and experimentally generate hybridly polarized vector optical fields with parabolic symmetry of the first and second kinds,which can further enrich the fa...Based on a parabolic coordinate system,we theoretically design and experimentally generate hybridly polarized vector optical fields with parabolic symmetry of the first and second kinds,which can further enrich the family of vector optical fields.The wavefront of this new-kind vector optical field contains circular,elliptic and linear polarizations,and the polarizations can keep the same or change along the parabolic curves.Then we present the realization of tunable focal shift with the hybridly polarized vector optical field,and show a specific law of the focal shift of the focused hybridly polarized vector optical field with the parabolic symmetry.We hope these results can provide a new way to flexibly modulate focal fields,which can be applied in realms such as optical machining,optical trapping and information transmission.展开更多
基金the National Natural Science Foundation of China(Grant Nos.11534006,11674184,11774183,11804187 and 11904199)the Natural Science Foundation of Shandong Province(Grant No.ZR2019BF006)the Collaborative Innovation Center of Extreme Optics。
文摘Based on a parabolic coordinate system,we theoretically design and experimentally generate hybridly polarized vector optical fields with parabolic symmetry of the first and second kinds,which can further enrich the family of vector optical fields.The wavefront of this new-kind vector optical field contains circular,elliptic and linear polarizations,and the polarizations can keep the same or change along the parabolic curves.Then we present the realization of tunable focal shift with the hybridly polarized vector optical field,and show a specific law of the focal shift of the focused hybridly polarized vector optical field with the parabolic symmetry.We hope these results can provide a new way to flexibly modulate focal fields,which can be applied in realms such as optical machining,optical trapping and information transmission.
