An easy to construct sub-micron resolution imaging system
Abstract We report an easy to construct imaging system that can resolve particles separated by $$\ge $$ ≥ 0.68 $$\upmu $$ μ m with minimum aberrations. Its first photon collecting lens is placed at a distance of 31.6 mm giving wide optical access. The microscope has a Numerical Aperture (NA) of 0.33...
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Nature Portfolio
2020
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oai:doaj.org-article:38c15f3587854215af4337be38bb353d2021-12-02T15:11:51ZAn easy to construct sub-micron resolution imaging system10.1038/s41598-020-78509-62045-2322https://doaj.org/article/38c15f3587854215af4337be38bb353d2020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78509-6https://doaj.org/toc/2045-2322Abstract We report an easy to construct imaging system that can resolve particles separated by $$\ge $$ ≥ 0.68 $$\upmu $$ μ m with minimum aberrations. Its first photon collecting lens is placed at a distance of 31.6 mm giving wide optical access. The microscope has a Numerical Aperture (NA) of 0.33, which is able to collect signal over 0.36 sr. The diffraction limited objective and magnifier recollects 77% photons into the central disc of the image with a transverse spherical aberration of 0.05 mm and magnification upto 238. The system has a depth of field of 142 $$\upmu $$ μ m and a field of view of 56 $$\upmu $$ μ m which images a large ensemble of atoms. The imaging system gives a diffraction limited performance over visible to near-infrared wavelengths on optimization of the working distance and the distance between the objective and magnifier.Lakhi SharmaA. RoyS. PanjaS. DeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-9 (2020) |
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DOAJ |
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DOAJ |
| language |
EN |
| topic |
Medicine R Science Q |
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Medicine R Science Q Lakhi Sharma A. Roy S. Panja S. De An easy to construct sub-micron resolution imaging system |
| description |
Abstract We report an easy to construct imaging system that can resolve particles separated by $$\ge $$ ≥ 0.68 $$\upmu $$ μ m with minimum aberrations. Its first photon collecting lens is placed at a distance of 31.6 mm giving wide optical access. The microscope has a Numerical Aperture (NA) of 0.33, which is able to collect signal over 0.36 sr. The diffraction limited objective and magnifier recollects 77% photons into the central disc of the image with a transverse spherical aberration of 0.05 mm and magnification upto 238. The system has a depth of field of 142 $$\upmu $$ μ m and a field of view of 56 $$\upmu $$ μ m which images a large ensemble of atoms. The imaging system gives a diffraction limited performance over visible to near-infrared wavelengths on optimization of the working distance and the distance between the objective and magnifier. |
| format |
article |
| author |
Lakhi Sharma A. Roy S. Panja S. De |
| author_facet |
Lakhi Sharma A. Roy S. Panja S. De |
| author_sort |
Lakhi Sharma |
| title |
An easy to construct sub-micron resolution imaging system |
| title_short |
An easy to construct sub-micron resolution imaging system |
| title_full |
An easy to construct sub-micron resolution imaging system |
| title_fullStr |
An easy to construct sub-micron resolution imaging system |
| title_full_unstemmed |
An easy to construct sub-micron resolution imaging system |
| title_sort |
easy to construct sub-micron resolution imaging system |
| publisher |
Nature Portfolio |
| publishDate |
2020 |
| url |
https://doaj.org/article/38c15f3587854215af4337be38bb353d |
| work_keys_str_mv |
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