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A bisected pupil for studying single-molecule orientational dynamics and its application to three-dimensional super-resolution microscopy.


ABSTRACT: A phase mask design that we term a "bisected pupil" (BSP) provides several advantages for single-molecule optical imaging. When using the BSP with a dual-polarization optical Fourier processing system, both the position and dipole orientation of individual fluorescent molecules may be measured from a single camera image. In the context of single-molecule super-resolution microscopy, this technique permits one to diagnose, and subsequently to remove imaging artifacts resulting from orientation-induced localization errors. If the molecules labeling a structure are rotationally mobile, thus mitigating dipole orientation errors, this technique enables super-resolution imaging in three dimensions. We present simulations and experimental verification.

SUBMITTER: Backer AS 

PROVIDER: S-EPMC4032398 | biostudies-other | 2014 May

REPOSITORIES: biostudies-other

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