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Proceedings Paper

High-speed image acquisition synchronized with the motion of galvanometer scanner for confocal microscopy
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Paper Abstract

We present a simple 2D image acquisition technique electronically implemented for laser scanning confocal microscope using galvanometer scanners. In order to synchronize image acquisition process with the movement of the galvanometer scanner, position signal of the mirror of the galvanometer scanner is used and manipulated for generating of sync-signals. This is achieved using an analog-digital converter to read a position signal from the scanner which tells about its position and to generate a trigger signal (or pixel clock) which tells the moment of digitizing the received analog signal from the photo-detector. This facilitates processing the image in synchronization with the actual motion of the scanning laser beam scanner. Image construction is performed by a video acquisition board (frame grabber). The newly developed scanning and image acquisition systems are implemented in a confocal microscope with fiber-optic components for compact configuration and flexible light path.

Paper Details

Date Published: 12 February 2008
PDF: 8 pages
Proc. SPIE 6861, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XV, 686116 (12 February 2008); doi: 10.1117/12.763641
Show Author Affiliations
Yoon Sung Bae, Gwangju Institute of Science and Technology (South Korea)
Sucbei Moon, Gwangju Institute of Science and Technology (South Korea)
Dug Young Kim, Gwangju Institute of Science and Technology (South Korea)


Published in SPIE Proceedings Vol. 6861:
Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XV
Jose-Angel Conchello; Carol J. Cogswell; Tony Wilson; Thomas G. Brown, Editor(s)

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