Takashi Saito
IEICE Transactions on Information and Systems
We present the first lithography results that use high-numerical-aperture photon sieves as focusing elements in a scanning-optical-beam-lithography system J. Vac. Sci. Technol. B 21, 2810 2003. Photon sieves are novel optical elements that offer the advantages of higher resolution and improved image contrast compared with traditional diffractive optics such as zone plates Nature 414, 184 (2001). We fabricated the highest-numerical-aperture photon sieves reported to date and experimentally verified their focusing characteristics. We propose two new designs of the photon sieve that have the potential to significantly increase focusing efficiency. © 2005 Optical Society of America.
Takashi Saito
IEICE Transactions on Information and Systems
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IEEE TVCG
Arnon Amir, M. Lindenbaum
Computer Vision and Image Understanding
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IEEE TMM