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Development of an Adaptive Lens Using an Ionic Polymer-metal Composite

  • Journal of Knowledge Information Technology and Systems
  • Abbr : JKITS
  • 2017, 12(4), pp.491-500
  • DOI : 10.34163/jkits.2017.12.4.003
  • Publisher : Korea Knowledge Information Technology Society
  • Research Area : Interdisciplinary Studies > Interdisciplinary Research
  • Published : August 31, 2017

신은재 1 박원형 1 여명 2 Jin Woo Bae 3 Sang-Youn Kim 1

1한국기술교육대학교
2한국기초과학지원연구원
3캘리포니아 대학교

Accredited

ABSTRACT

The optical focus variable lenses have been widely used in consumer electronic devices to capture objects which are located in arbitrary position. These focus variable lenses are achieved by changing the distance between the two or more lenses or are made with electrowetting mechanism, liquid crystal material, or liquid with a pump. These lenses suffer from aberrations due to non-uniformities in the electric field and trouble with liquid evaporation. Another drawback of these focus variable lenses is to need an external mechanism (including actuators outside the optical path). In this paper, we present another type of lens using an electroactive polymer. The purpose of this paper is to describe self-deformable thin lens without any external mechanism. We fabricated an IPMC lens with blur-sharp effect. The IPMC lens is composed of both a thermally imprinted, transparent, and concave-structured Nafion membrane and partially electroless-plated the platinum electrode. By applying a low AC voltage to the IPMC lens, the IPMC deforms upward and downward for itself. As a result, the blur-sharp effect was obtained in the concave-structured Nafion membrane. The proposed method for fabricating blur-sharp effect lens has a large potential to realized very small electro-optics, especially in the field of consumer electronic devices.

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