공초점 현미경용 장초점 마이크로렌즈 제작

Fabrication of Micro-Lens Array with Long Focal Length for Confocal Microscopy

  • 김기홍 (한국기계연구원 나노공정장비연구실) ;
  • 임형준 (한국기계연구원 나노공정장비연구실) ;
  • 정미라 (한국기계연구원 나노공정장비연구실) ;
  • 이재종 (한국기계연구원 나노공정장비연구실) ;
  • 최기봉 (한국기계연구원 나노공정장비연구실) ;
  • 이형석 ((주)나노시스템) ;
  • 도이미 (한국전자통신 연구원 RFID/USN 소자팀)
  • 투고 : 2011.05.02
  • 심사 : 2011.06.30
  • 발행 : 2011.08.15

초록

This paper shows the method of fabrication of a micro lens array comprised of a Nipkow disk used in a large-area, high-speed confocal microscopy. A Nipkow disk has two components, a micro lens array disk and a pinhole array disk. The microlens array focuses illumination light onto the pinhole array disk and redirects reflected light from a surface to a sensor. The micro lens which are positioned in order on a disk have a hemispheric shape with a few tens of micron in diameter, and can be fabricated by a variety of methods like mechanical machining, semiconductor process, replication process like imprinting process. This paper shows how to fabricate the micro lens array which has a long focal length by reflow and imprinting process.

키워드

참고문헌

  1. Pawley, J. B., 2006, Handbook of Biological Confocal Microscopy 3rd Ed., Springer, USA.
  2. Ishihara, M., and Sasaki, H., 1999, "High-Speed Surface Measurement using a Nonscanning Multiple-Beam Confocal Microscope," Opt. Eng., Vol. 38, No. 6, pp.1035-1040. https://doi.org/10.1117/1.602155
  3. Tanaami, T., Otsuki, S., Tomosada, N., Kosugi, Y. Shimizu, M., and Ishida, H., 2002, "High-Speed 1-Frame/ms Scanning Confocal Microscope with a Microlens and Nipkow Disks," Appl. Opt., Vol. 41, No. 22, pp. 4704-4708. https://doi.org/10.1364/AO.41.004704
  4. Yin, S., Lu, G., Zhang, J., Yu, F. T. S., and Mait, J. N., 1995, "Kinoform-Based Nipkow Disk for a Confocal Microscope," Appl. Opt., Vol. 34, No. 25, pp. 5695-5698. https://doi.org/10.1364/AO.34.005695
  5. Daly, D., 2001, Microlens Arrays, CRC Press, USA.
  6. Hwang, S. K., Baek, S. H., Kwon, J. H., and Park, Y. S., 2009, "Fabrication of Microlens Array Using Photoresist Thermal Reflow," J. Opt. Soc. Korea, Vol. 20, No. 2, pp.118-122.
  7. Tiziani, H. J., Achi, R., Kramer, R. N., and Wiegers, L., 1996, "Theoretical Analysis of Confocal Microscopy with Microlenses," Appl. Opt., Vol. 35, No. 1, pp. 120-125. https://doi.org/10.1364/AO.35.000120
  8. Tiziani, H. J., and Uhde, H. M., 1994, "Three-Dimensional Analysis by a Microlens-array Confocal Arrangement," Appl. Opt., Vol. 33, No. 4, pp. 567-572. https://doi.org/10.1364/AO.33.000567
  9. Ishihara, M., 2002, Active Confocal Image Acquisition Apparatus and Method of Three-Dimensional Measurement using same, US patent: 6399942 B1.
  10. Hecht, E., 1987, Optics 2nd Ed., Addison-Wesley, USA, pp.419.