Large Depth-of-Field Integral Microscopy by Use of a Liquid Lens.

ABSTRACT: Integral microscopy is a 3D imaging technique that permits the recording of spatial and angular information of microscopic samples. From this information it is possible to calculate a collection of orthographic views with full parallax and to refocus computationally, at will, through the 3D specimen. An important drawback of integral microscopy, especially when dealing with thick samples, is the limited depth of field (DOF) of the perspective views. This imposes a significant limitation on the depth range of computationally refocused images. To overcome this problem, we propose here a new method that is based on the insertion, at the pupil plane of the microscope objective, of an electrically controlled liquid lens (LL) whose optical power can be changed by simply tuning the voltage. This

SUBMITTER: Llavador A 

PROVIDER: S-EPMC6210099 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature