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Organic-inorganic-hybrid-polymer microlens arrays with tailored optical characteristics and multi-focal properties
- Source :
- Optics Express
- Publication Year :
- 2015
-
Abstract
- Plano-convex microlens arrays of organic-inorganic polymers with tailored optical properties are presented. The fine-tuning of each microlens within an array is achieved by confining inkjet printed drops of the polymeric ink onto pre-patterned substrates. The lens optical properties are thus freely specified, and high numerical apertures from 0.45 to 0.9 and focal lengths between 10 μm and 100 μm are demonstrated, confirming theoretical predictions. Combining nanoimprint lithography approaches and inkjet printing enables using the same material for the microlenses and their substrates, improving the optical performances. Microlens arrays with desired specifications are printed reaching yields up to 100% and high lens reproducibility with standard deviations of the apparent contact angle under 1° and of the numerical apertures and focal lengths under 6%. Microlens arrays involving lenses with different characteristics, e.g. multi focal length, and thus focal planes separated by only few microns are printed with the same reproducibility.
- Subjects :
- Microlens
chemistry.chemical_classification
Materials science
Inkwell
business.industry
02 engineering and technology
Polymer
021001 nanoscience & nanotechnology
01 natural sciences
Atomic and Molecular Physics, and Optics
law.invention
Nanoimprint lithography
010309 optics
Lens (optics)
Contact angle
Optics
chemistry
law
Attenuation coefficient
0103 physical sciences
Focal length
0210 nano-technology
business
Subjects
Details
- ISSN :
- 10944087
- Volume :
- 23
- Issue :
- 19
- Database :
- OpenAIRE
- Journal :
- Optics express
- Accession number :
- edsair.doi.dedup.....b938399aa01670c0faaba213e791ebeb