Fabrication of refractive microlens arrays by visible irradiation of acrylic monomers: influence of photonic parameters

Autor:	Daniel-Joseph Lougnot, O. Soppera, C. Croutxé-Barghorn
Rok vydání:	2001
Předmět:	Microlens Fabrication Materials science business.industry Condensed Matter Physics Electronic Optical and Magnetic Materials law.invention Lens (optics) Optics Photopolymer law Optoelectronics Focal length Irradiation Photonics business Instrumentation Layer (electronics)
Zdroj:	The European Physical Journal Applied Physics. 13:31-37
ISSN:	1286-0050 1286-0042
DOI:	10.1051/epjap:2001110
Popis:	The fabrication of refractive microlenses with self-developing photopolymers is reported. A spatially controlled illumination of the photosensitive layer induced an inhomogeneous photopolymerization involving formation of 3-D polymer network, mass-transport process of reactive species and bending of the surface. The process exhibited a completely self-processing character without any chemical post-treatment to reveal the relief. The lens arrays displayed diameters ranging from less than 100 μ m to 1 mm and focal lengths from 100 μ m to a few millimeters, depending on photonic, optical and physico-chemical parameters. The paper focuses on the importance of photonic parameters in the generation of microlens arrays and discusses the flexibility of this technique in the visible range.
Databáze:	OpenAIRE
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