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High Curvature Concave–Convex Microlens.
- Source :
- IEEE Photonics Technology Letters; Dec2015, Vol. 27 Issue 23, p2465-2468, 4p
- Publication Year :
- 2015
-
Abstract
- We report in this letter a concave–convex microlens (CCML) consisting of two different high curvature surfaces. Compared with the conventional plano-convex microlenses, the CCML not only allows for more design freedom, but also offers significantly improved optical performance, particularly minimization of aberration, as is critical when the size of optical components is small. Experimentally, focusing capability at different wavelengths was demonstrated, and the axial chromatic aberration was found significantly reduced to $\sim 4.6$ % of the focal length shift under wavelength 450–660 nm. [ABSTRACT FROM PUBLISHER]
Details
- Language :
- English
- ISSN :
- 10411135
- Volume :
- 27
- Issue :
- 23
- Database :
- Complementary Index
- Journal :
- IEEE Photonics Technology Letters
- Publication Type :
- Academic Journal
- Accession number :
- 110901863
- Full Text :
- https://doi.org/10.1109/LPT.2015.2470195