Share Email Print

Optical Engineering • Open Access

Field curvature correction in multichannel miniature imaging systems suited for wafer-level production
Author(s): Eric Logean; Toralf Scharf; Nicolas Bongard; Hans Peter Herzig; Markus Rossi

Paper Abstract

Using multiple optical channels increases the number of design possibilities for the objectives of mobile imaging devices. For easy wafer-level fabrication, we start from a single optical element—a monocentric plano-convex lens. The quality of the areal image is used to select the size of the field of each channel. Each channel optics is axially positioned to reduce the effect of the image field curvature. The resulting device has a small number of channels and it images a full field of view of ±40 deg with an f -number of 3. Details of the optical design, of the fabrication process, and of the device performance are reported.

Paper Details

Date Published: 1 July 2013
PDF: 7 pages
Opt. Eng. 52(7) 075101 doi: 10.1117/1.OE.52.7.075101
Published in: Optical Engineering Volume 52, Issue 7
Show Author Affiliations
Eric Logean, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Toralf Scharf, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Nicolas Bongard, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Hans Peter Herzig, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Markus Rossi, Heptagon (Switzerland)

© SPIE. Terms of Use
Back to Top