The success of the ghost imaging without beamsplitter is very significant to the applications of ghost imaging.
无分束器非局域成像实验的成功，对于非局域成像的实际应用有重大价值。
2
However, the existence of the beamsplitter hinders the wider application of ghost imaging, especially with the natural light.
但是，分束器的使用却限制了非局域成像在很多领域的进一步运用，特别是利用自然光源进行非局域成像。
3
A novel dual field of view optical system with dual image was presented, the design methods of this system, the operational principle of beamsplitter and the optical wedge are discussed respectively.