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Active objective lens assembly for far-field super-resolution imaging via optical gain

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3 Author(s)
Deaver, J. ; Sch. of Eng. & Technol., Western Carolina Univ., Cullowhee, NC, USA ; Bill Yang ; Fiddy, M.

The performance of an optical imaging system is fundamentally limited by the wave nature of light. More specifically the lateral resolution of an image has traditionally been dictated by Abbe's limit, to be approximately one-half of the wavelength. The pursuit of exceeding this limit is a growing interest in several research areas. The goal of these pursuits will be to achieve super-resolution imaging, as in breaking what have long been thought of as insurmountable restrictions. There have been several methods proposed to overcome such limits. Some of the aforementioned methods include negative refractive index materials and Structured Illumination Microscopy (SIM). This paper highlights a novel approach to achieving super-resolution imaging. In this case the means to obtaining super-resolution imaging will be through optical gain by using an active objective lens. This gain will allow for the retention of spatial frequencies beyond Abbes limit, by the conversion of evanescent waves into sustainable propagating waves.

Published in:

Southeastcon, 2011 Proceedings of IEEE

Date of Conference:

17-20 March 2011