Breaking the diffraction barrier: optical microscopy on a nanometric scale.
Science
; 251(5000): 1468-70, 1991 Mar 22.
Article
en En
| MEDLINE
| ID: mdl-17779440
ABSTRACT
In near-field scanning optical microscopy, a light source or detector with dimensions less than the wavelength (lambda) is placed in close proximity (lambda/50) to a sample to generate images with resolution better than the diffraction limit. A near-field probe has been developed that yields a resolution of approximately 12 nm ( approximately lambda/43) and signals approximately 10(4)- to 10(6)-fold larger than those reported previously. In addition, image contrast is demonstrated to be highly polarization dependent. With these probes, near-field microscopy appears poised to fulfill its promise by combining the power of optical characterization methods with nanometric spatial resolution.
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01-internacional
Banco de datos:
MEDLINE
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En
Revista:
Science
Año:
1991
Tipo del documento:
Article