Aberration control in 4Pi nanoscopy: definitions, properties, and applications
(Conference Presentation)

Xiang Hao; Edward S. Allgeyer; Mary Grace M. Velasco; Martin J. Booth; Joerg Bewersdorf

doi:10.1117/12.2211929

27 April 2016 Aberration control in 4Pi nanoscopy: definitions, properties, and applications (Conference Presentation)

Xiang Hao, Edward S. Allgeyer, Mary Grace M. Velasco, Martin J. Booth, Joerg Bewersdorf

Proceedings Volume 9717, Adaptive Optics and Wavefront Control for Biological Systems II; 971708 (2016) https://doi.org/10.1117/12.2211929
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

The development of fluorescence microscopy, which allows live-cell imaging with high labeling specificity, has made the visualization of cellular architecture routine. However, for centuries, the spatial resolution of optical microscopy was fundamentally limited by diffraction. The past two decades have seen a revolution in far-field optical nanoscopy (or “super-resolution” microscopy). The best 3D resolution is achieved by optical nanoscopes like the isoSTED or the iPALM/4Pi-SMS, which utilize two opposing objective lenses in a coherent manner. These system are, however, also more complex and the required interference conditions demand precise aberration control. Our research involves developing novel adaptive optics techniques that enable high spatial and temporal resolution imaging for biological applications. In this talk, we will discuss how adaptive optics can enhance dual-objective lens nanoscopes. We will demonstrate how adaptive optics devices provide unprecedented freedom to manipulate the light field in isoSTED nanoscopy, allow to realize automatic beam alignment, suppress the inherent side-lobes of the point-spread function, and dynamically compensate for sample-induced aberrations. We will present both the theoretical groundwork and the experimental confirmations.

Conference Presentation

Citation Download Citation

Xiang Hao, Edward S. Allgeyer, Mary Grace M. Velasco, Martin J. Booth, and Joerg Bewersdorf "Aberration control in 4Pi nanoscopy: definitions, properties, and applications (Conference Presentation)", Proc. SPIE 9717, Adaptive Optics and Wavefront Control for Biological Systems II, 971708 (27 April 2016); https://doi.org/10.1117/12.2211929

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KEYWORDS

Super resolution microscopy

Adaptive optics

Control systems

Diffraction

Luminescence

Medicine

Microscopy

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