Image: Cdchip
Size of this preview: 800 × 558 pixels. Other resolutions: 320 × 223 pixels | 1,000 × 697 pixels.
Original image (1,000 × 697 pixels, file size: 449 KB, MIME type: image/jpeg)
Description: The optical sensor array extracted from the laser optical pickup of a CD player. The three dark rectangles are photosensors which read the data from the disk, senses beam focus and senses beam centering on the disc's optical track. Two tracking photosensors, each adjacent to the signal photosensor on the center, helps the optical servo system to keep the laser beam on track.
Title: Cdchip
Credit: Own work
Author: Janke
Permission: Any use outside Wikipedia must state: "Photo by J-E Nyström 2010"
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes
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