A self-imaging phenomenon whose nature is the same as Talbot effect has been observed using simple instruments, and the period of object with periodic transmittance has also been measured easily.

• 我们通过一个极为简单的装置看到与泰保效应本质相同的自成像现象,并且发现可利用它十分简单地测量具有周期透过率函数物体的周期。