Scanning near-field optical microscopy in reflection mode imaging in liquid
作者:
Thomas Hans Keller,
Trevor Rayment,
David Klenerman,
Robert J. Stephenson,
期刊:
Review of Scientific Instruments
(AIP Available online 1997)
卷期:
Volume 68,
issue 3
页码: 1448-1454
ISSN:0034-6748
年代: 1997
DOI:10.1063/1.1147937
出版商: AIP
数据来源: AIP
摘要:
A combined atomic force microscope (AFM) and scanning near-field optical microscope (SNOM) has been constructed to obtain images under liquids. In this combined AFM-SNOM an inverted ac mode configuration is used where the AFM cantilever is driven by exciting acoustic modes of the liquid cell. Optical images of latex spheres on a cantilever have been obtained under perfluorononane, butanol, and water with a lateral resolution of 100 nm. Fluorescence images of latex spheres have been obtained under perfluorononane. The ability to image under liquids opens up a wide range of applications of near field optical microscopy in chemistry and biology. ©1997 American Institute of Physics.
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