期刊
OPTICS LETTERS
卷 35, 期 2, 页码 208-210出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.35.000208
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资金
- National Institutes of Health (NIH) [HL086870]
- National Science Foundation (NSF) [08- 46660]
- Grainger Foundation
- Nanotechnology Research Initiative (NRI)
- NIH [HD007333]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [0747178] Funding Source: National Science Foundation
- Div Of Chem, Bioeng, Env, & Transp Sys
- Directorate For Engineering [0846660] Funding Source: National Science Foundation
Spatial light interference microscopy (SLIM) is a novel method developed in our laboratory that provides quantitative phase images of transparent structures with a 0.3 nm spatial and 0.03 nm temporal accuracy owing to the white light illumination and its common path interferometric geometry. We exploit these features and demonstrate SLIM's ability to perform topography at a single atomic layer in graphene. Further, using a decoupling procedure that we developed for cylindrical structures, we extract the axially averaged refractive index of semiconductor nanotubes and a neurite of a live hippocampal neuron in culture. We believe that this study will set the basis for novel high-throughput topography and refractometry of man-made and biological nanostructures. (C) 2010 Optical Society of America
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