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Multifunctional Biomimetic Microlens Arrays with Integrated Pores

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Biology provides a multitude of varied, new paradigms for the development of adaptive optical networks. We discuss a first example of synthetic, biomimetic microlens arrays with integrated pores, whose appearance and function are strikingly similar to their biological prototype – a highly efficient optical element formed by brittlestars. The complex microstructure is created directly by three-beam interference lithography in a single exposure from a negative-tone photoresist, SU8. We show that (i) these synthetic polymeric microlenses have strong focusing ability and the structure can be, therefore, (ii) used as an adjustable lithographic mask, and that (iii) light-absorbing liquids can be transported in and out of the pores between the lenses, which provides a wide range of tunability of the lens optical properties.

Document Type: Research Article

Publication date: January 1, 2005

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  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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