Access

News and Views

Nature Photonics 2, 131–132 (1 March 2008) | doi:10.1038/nphoton.2008.09

Holography: Scan-free three-dimensional imaging

Ting-Chung Poon

Three-dimensional (3D) imaging is a formidable task in optical microscopy as it is well-known that the greater the lateral resolution of an image, the smaller the depth of field. In other words, a detailed high-resolution image can be obtained using a powerful high-numerical-aperture lens, such as a microscope objective, but the compromise is the ability to image only a thin section of the specimen.