But, when the doughnut laser beam is used as trapping light, relative index can be less than 1. The beam waist of focused laser beam has a virtual affection for the trapping force.
但是,在空心光束中可以实现对地折射率粒子的稳定捕获,即粒子的相对折射率可以小于1。
But, when the doughnut laser beam is used as trapping light, relative index can be less than 1. The beam waist of focused laser beam has a virtual affection for the trapping force.
但是,在空心光束中可以实现对地折射率粒子的稳定捕获,即粒子的相对折射率可以小于1。
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