Recent content by Vipanj

  1. Vipanj

    Undergrad How can we visualise a half period zone inside a zone plate?

    By definition (n)th half period zone is the annular area between (n-1)th and (n)th circle in a plane wavefront. Then how can a black region in zone plate can have a half period zone ?
  2. Vipanj

    Undergrad How can we visualise a half period zone inside a zone plate?

    how can we consider/ visualise a half period zone inside blackened portion of +ve zone plate ?
    • Vipanj
    • Thread
    • Fresnel diffraction Period Plate
    • Replies: 3
    • Forum: Optics