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Proceedings Paper

Microscopy using source and detector arrays
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Paper Abstract

There are basically two types of microscope, which we call conventional and scanning. The former type is a full-field imaging system. In the latter type, the object is illuminated with a probe beam, and a signal detected. We can generalize the probe to a patterned illumination. Similarly we can generalize the detection to a patterned detection. Combining these we get a range of different modalities: confocal microscopy, structured illumination (with full-field imaging), spinning disk (with multiple illumination points), and so on. The combination allows the spatial frequency bandwidth of the system to be doubled. In general we can record a four dimensional (4D) image of a 2D object (or a 6D image from a 3D object, using an acoustic tuneable lens). The optimum way to directly reconstruct the resulting image is by image scanning microscopy (ISM). But the 4D image is highly redundant, so deconvolution-based approaches are also relevant.

ISM can be performed in fluorescence, bright field or interference microscopy. Several different implementations have been described, with associated advantages and disadvantages. In two-photon microscopy, the illumination and detection point spread functions are very different. This is also the case when using pupil filters or when there is a large Stokes shift.

Paper Details

Date Published: 9 March 2016
PDF: 8 pages
Proc. SPIE 9713, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIII, 971302 (9 March 2016); doi: 10.1117/12.2213544
Show Author Affiliations
Colin J. R. Sheppard, Istituto Italiano di Tecnologia (Italy)
Marco Castello, Istituto Italiano di Tecnologia (Italy)
Univ. of Genoa (Italy)
Giuseppe Vicidomini, Istituto Italiano di Tecnologia (Italy)
Martí Duocastella, Istituto Italiano di Tecnologia (Italy)
Alberto Diaspro, Istituto Italiano di Tecnologia (Italy)


Published in SPIE Proceedings Vol. 9713:
Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIII
Thomas G. Brown; Carol J. Cogswell; Tony Wilson, Editor(s)

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