The experimental method used to form doughnut laser trap through axicons and by extracting high order diffractive light component is introduced.
介绍了用锥镜法和取高级衍射光斑法来实现空心光阱的实验方法。
2
A novel technique to produce the self-imaging Talbot effect, nearly non-diffracting bottle beams which were interfered by the two Bessel beams generated from the axicons was proposed.