Double-grating-structured light microscopy using plasmonic nanoparticle arrays
Optics Letters, Vol. 34, Issue 8, pp. 1255-1257 (2009)
http://dx.doi.org/10.1364/OL.34.001255
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Abstract
Structured illumination increases the spatial bandwidth of optical microscopes. We demonstrate bandwidth extension using a physical grating placed close to the sample. This comprises an array of elongated nanoparticles, whose localized surface plasmon resonance is polarization dependent. By arranging the particle orientation to vary with position the grating can be moved by changing the input polarization. A projected optical grating provides an additional independent mechanism for bandwidth extension. Experimental results showing bandwidth improvement in one direction are presented, and the measures necessary to extend the technique for routine imaging are discussed.
© 2009 Optical Society of America
OCIS Codes
(110.4850) Imaging systems : Optical transfer functions
(180.2520) Microscopy : Fluorescence microscopy
(350.5730) Other areas of optics : Resolution
(180.4243) Microscopy : Near-field microscopy
(250.5403) Optoelectronics : Plasmonics
(050.6624) Diffraction and gratings : Subwavelength structures
ToC Category:
Microscopy
History
Original Manuscript: November 12, 2008
Revised Manuscript: February 12, 2009
Manuscript Accepted: February 14, 2009
Published: April 10, 2009
Virtual Issues
Vol. 4, Iss. 6 Virtual Journal for Biomedical Optics
Citation
S. Liu, Chin-Jung Chuang, C. W. See, G. Zoriniants, W. L. Barnes, and M. G. Somekh, "Double-grating-structured light microscopy using plasmonic nanoparticle arrays," Opt. Lett. 34, 1255-1257 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-8-1255
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