Near-field Raman imaging using optically trapped dielectric microsphere
Optics Express, ISSN: 1094-4087, Vol: 16, Issue: 11, Page: 7976-7984
2008
- 49Citations
- 51Captures
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Metrics Details
- Citations49
- Citation Indexes49
- 49
- CrossRef45
- Captures51
- Readers51
- 51
Article Description
The stumbling block of employing Raman imaging in nanoscience and nanotechnology is the diffraction-limited spatial resolution. Several approaches have been employed to improve the spatial resolution, among which aperture and apertureless near-field Raman techniques are the most frequently used. In this letter, we report a new approach in doing near-field Raman imaging with spatial resolution of about 80 nm, by trapping and scanning a polystyrene microsphere over the sample surface in water. We have used this technique to resolve PMOS transistors with SiGe source drain stressors with poly-Si gates, as well as gold nanopatterns with excellent reproducibility. ©2008 Optical Society of America.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=44649089376&origin=inward; http://dx.doi.org/10.1364/oe.16.007976; http://www.ncbi.nlm.nih.gov/pubmed/18545507; https://www.osapublishing.org/oe/abstract.cfm?uri=oe-16-11-7976; https://www.osapublishing.org/viewmedia.cfm?URI=oe-16-11-7976&seq=0; https://opg.optica.org/oe/abstract.cfm?uri=oe-16-11-7976; https://dx.doi.org/10.1364/oe.16.007976; https://www.osapublishing.org/abstract.cfm?URI=oe-16-11-7976; https://www.osapublishing.org/abstract.cfm?uri=oe-16-11-7976; https://www.osapublishing.org/viewmedia.cfm?uri=oe-16-11-7976&seq=0&html=true; https://www.osapublishing.org/viewmedia.cfm?uri=oe-16-11-7976&seq=0; http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-11-7976; https://opg.optica.org/abstract.cfm?uri=oe-16-11-7976; https://opg.optica.org/viewmedia.cfm?uri=oe-16-11-7976&seq=0&html=true; https://opg.optica.org/viewmedia.cfm?uri=oe-16-11-7976&seq=0; https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-16-11-7976&id=160379
The Optical Society
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