Share Email Print
cover

Proceedings Paper

Ultra-compact imaging system based on multi-aperture architecture
Author(s): Julia Meyer; Andreas Brückner; Robert Leitel; Peter Dannberg; Andreas Bräuer; Andreas Tünnermann
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

As a matter of course, cameras are integrated in the field of information and communication technology. It can be observed, that there is a trend that those cameras get smaller and at the same time cheaper. Because single aperture have a limit of miniaturization, while simultaneously keeping the same space-bandwidth-product and transmitting a wide field of view, there is a need of new ideas like the multi aperture optical systems. In the proposed camera system the image is formed with many different channels each consisting of four microlenses which are arranged one after another in different microlens arrays. A partial image which fits together with the neighbouring one is formed in every single channel, so that a real erect image is generated and a conventional image sensor can be used. The microoptical fabrication process and the assembly are well established and can be carried out on wafer-level. Laser writing is used for the fabrication of the masks. UV-lithography, a reflow process and UV-molding is needed for the fabrication of the apertures and the lenses. The developed system is very small in terms of both length and lateral dimensions and has a VGA resolution and a diagonal field of view of 65 degrees. This microoptical vision system is appropriate for being implemented in electronic devices such as webcams integrated in notebookdisplays.

Paper Details

Date Published: 14 February 2011
PDF: 7 pages
Proc. SPIE 7930, MOEMS and Miniaturized Systems X, 79300C (14 February 2011); doi: 10.1117/12.873520
Show Author Affiliations
Julia Meyer, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Andreas Brückner, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Robert Leitel, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Peter Dannberg, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Andreas Bräuer, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Andreas Tünnermann, Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Friedrich Schiller Univ. of Jena (Germany)


Published in SPIE Proceedings Vol. 7930:
MOEMS and Miniaturized Systems X
Harald Schenk; Wibool Piyawattanametha, Editor(s)

© SPIE. Terms of Use
Back to Top