Premium
Oblique incidence reflection imaging of live cells: improving contrast and image quality with an objective mask
Author(s) -
LANDRY S.,
DeGAGNE L. H.,
McGHEE P. L.,
KEELER W. J.
Publication year - 2007
Publication title -
journal of microscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.569
H-Index - 111
eISSN - 1365-2818
pISSN - 0022-2720
DOI - 10.1111/j.1365-2818.2007.01801.x
Subject(s) - contrast (vision) , reflection (computer programming) , image quality , quality (philosophy) , optics , high contrast , image contrast , oblique case , incidence (geometry) , computer vision , image (mathematics) , computer science , physics , programming language , linguistics , philosophy , quantum mechanics
Summary Dry 40× and 60× microscope objectives were fitted with opaque black masks in order to eliminate reflection and scattering of light off the objective front lens assembly during oblique incidence reflection (OIR) microscopy. The reflection and scattering are shown to induce background glare that leads to degradation in the quality of the OIR images. Mask prototypes were designed and machined to snap onto the spring‐loaded retractable front lens assembly of each objective. OIR images of live cells and normalized intensity line profiles are used to demonstrate that, if these alterations to the housing of the objective are implemented, background glare is significantly reduced with the 60× objective, and virtually eliminated with the 40× objective.