Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume 28, Issue 10, Pages 2524-2528Publisher
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.28.002524
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Funding
- 973 Program [2007CB935300, 2011CB933600]
- National Natural Science Foundation of China (NSFC) [60925020, 60736041]
- Science and Technology Bureau of Wuhan City, Hubei, China [200951830552]
- Ministry of Education of China
- Wuhan University [20082020101000013]
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We introduce a complementary-medium-based matched filter synthesized through transformation optics (TO) for the recognition of nanopatterns at visible frequencies. The recognition is independent of the spatial position of the nanopatterns and is unrelated to the existence of other noise structures. Analytical results are verified by numerical simulations. Our results can linearly scale down to much smaller nanopatterns and may inspire new interesting applications of TO in biology, medicine, and chemistry for nondestructive and label-free discrimination imaging of biological cells, protein macromolecules, and organic tissues with linear optical systems instead of nonlinear optics. (C) 2011 Optical Society of America
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