title: Joint Applied Optics and Chinese Optics Letters feature introduction: digital holography and three-dimensional imaging.
abstract: This feature issue serves as a pilot issue promoting the joint issue of Applied Optics and Chinese Optics Letters. It focuses upon topics of current relevance to the community working in the area of digital holography and 3-D imaging.
authors.affiliation: The Bradley Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, Virginia 24061, USA. tcpoon@vt.edu
authors.forename: Ting-Chung
authors.initials: TC
authors.lastname: Poon