摘要
This feature issue is the fifth installment on digital holography since its inception four years ago. The last four issues have been published after the conclusion of each Topical Meeting ＂Digital Holography and 3D imaging （DH）.＂ However, this feature issue includes a new key feature-Joint Applied Optics and Chinese Optics Letters Feature Issue.
This feature issue is the fifth installment on digital holography since its inception four years ago. The last four issues have been published after the conclusion of each Topical Meeting ＂Digital Holography and 3D imaging （DH）.＂ However, this feature issue includes a new key feature-Joint Applied Optics and Chinese Optics Letters Feature Issue.
