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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 25 — Dec. 8, 2008
  • pp: 20249–20257

Obscura telescope with a MEMS micromirror array for space observation of transient luminous phenomena or fast-moving objects

J. H. Park, G. K. Garipov, J. A. Jeon, B. A. Khrenov, J. E. Kim, M. Kim, Y. K. Kim, C. -H. Lee, J. Lee, G. W. Na, S. Nam, I. H. Park, and Y. -S. Park  »View Author Affiliations


Optics Express, Vol. 16, Issue 25, pp. 20249-20257 (2008)
http://dx.doi.org/10.1364/OE.16.020249


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Abstract

We introduce a novel telescope consisting of a pinhole-like camera with rotatable MEMS micromirrors substituting for pinholes. The design is ideal for observations of transient luminous phenomena or fast-moving objects, such as upper atmospheric lightning and bright gamma ray bursts. The advantage of the MEMS “obscura telescope” over conventional cameras is that it is capable both of searching for events over a wide field of view, and fast zooming to allow detailed investigation of the structure of events. It is also able to track the triggering object to investigate its space–time development, and to center the interesting portion of the image on the photodetector array. We present the proposed system and the test results for the MEMS obscura telescope which has a field of view of 11.3°, sixteen times zoom-in and tracking within 1 ms.

© 2008 Optical Society of America

OCIS Codes
(040.1490) Detectors : Cameras
(110.2970) Imaging systems : Image detection systems
(110.6770) Imaging systems : Telescopes
(230.3990) Optical devices : Micro-optical devices
(120.6085) Instrumentation, measurement, and metrology : Space instrumentation

ToC Category:
Imaging Systems

History
Original Manuscript: September 3, 2008
Revised Manuscript: November 7, 2008
Manuscript Accepted: November 18, 2008
Published: November 24, 2008

Citation
J. H. Park, G. K. Garipov, J. A. Jeon, B. A. Khrenov, J. E. Kim, M. Kim, Y. K. Kim, C.-H. Lee, J. Lee, G. W. Na, S. Nam, I. H. Park, and Y.–S. Park, "Obscura telescope with a MEMS micromirror array for space observation of transient luminous phenomena or fast-moving objects," Opt. Express 16, 20249-20257 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-25-20249


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