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Fast tracking of light source with micromirror and associated feedback circuit

Title
Fast tracking of light source with micromirror and associated feedback circuit
Authors
Park J.H.Chung T.Park I.H.Jeon J.A.Yoo B.W.Kim M.Kim Y.K.
Ewha Authors
박일흥박재형
Issue Date
2007
Journal Title
2007 IEEE/LEOS International Conference on Optical MEMS and Nanophotonics, OMENS
Indexed
SCOPUS scopus
Abstract
In this paper, a closed-loop feedback control of a micromirror has been demonstrated to track a moving light source and to stabilize fast the tilting angle to follow the light source. An electrostatically actuated torsional micromirror was used as a test device. Tracking and tilt-angle stabilization has been tested using a position-sensing detector and analog feedback control circuit. We found a successful tracking of a moving light source and the feedback control to improve the response time of micromirrors significantly, down to 200 μs in comparison to about 600 μs for the case of absence of feedback control. © 2007 IEEE.
DOI
10.1109/OMEMS.2007.4373839
ISBN
1424406412; 9781424406418
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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