descanning

In the context of a scanning microscope, this refers to detected light retracing the scanning optics such that it will be maintain the same incidence on the detector (and confocal pinhole) regardless of scan position.

See also: confocal microscopy, point-scanning confocal microscopy, multiphoton microscopy

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Multiphoton Microscopy

Mode-locked pulsed lasers are used for deep tissue imaging and optical sectioning.