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Optical resolution below λ/4 using synthetic aperture microscopy and evanescent-wave illumination
| Content Provider | Semantic Scholar |
|---|---|
| Author | Neumann, Alexander Tobias Kuznetsova, Yuliya A. Brueck, Steven R. J. |
| Copyright Year | 2008 |
| Abstract | Evanescent-wave illumination is applied to synthetic-aperture microscopy on a transparent solid substrate to extend the resolution limit to λ/2(n+1) (where n is the substrate refractive index) independent of the lens NA. Using a 633 nm source and a 0.4 NA lens, a resolution to 150 nm (λ/4.2) is demonstrated on a glass (n=1.5) substrate. Further extension to ~74-nm resolution (λ/8.6) is projected with a higher index substrate (n=3.3). |
| Starting Page | 20477 |
| Ending Page | 20483 |
| Page Count | 7 |
| File Format | PDF HTM / HTML |
| DOI | 10.1364/OE.16.020477 |
| Volume Number | 16 |
| Alternate Webpage(s) | http://www.chtm.unm.edu/publications/pub115.pdf |
| Alternate Webpage(s) | https://doi.org/10.1364/OE.16.020477 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
