Please use this identifier to cite or link to this item:
https://hdl.handle.net/2445/180154
Title: | A Compact raster lensless microscope based on a microdisplay |
Author: | Vilà i Arbonès, Anna Maria Moreno, Sergio Canals Gil, Joan Diéguez Barrientos, Àngel |
Keywords: | Microscòpia Holografia Nanotecnologia Microscopy Holography Nanotechnology |
Issue Date: | 3-Sep-2021 |
Publisher: | MDPI |
Abstract: | Lensless microscopy requires the simplest possible configuration, as it uses only a light source, the sample and an image sensor. The smallest practical microscope is demonstrated here. In contrast to standard lensless microscopy, the object is located near the lighting source. Raster optical microscopy is applied by using a single-pixel detector and a microdisplay. Maximum resolution relies on reduced LED size and the position of the sample respect the microdisplay. Contrarily to other sort of digital lensless holographic microscopes, light backpropagation is not required to reconstruct the images of the sample. In a mm-high microscope, resolutions down to 800 nm have been demonstrated even when measuring with detectors as large as 138 μm × 138 μm, with field of view given by the display size. Dedicated technology would shorten measuring time. |
Note: | Reproducció del document publicat a: https://doi.org/10.3390/s21175941 |
It is part of: | Sensors, 2021, vol. 21, num. 17, p. 5941-1-5041-14 |
URI: | https://hdl.handle.net/2445/180154 |
Related resource: | https://doi.org/10.3390/s21175941 |
ISSN: | 1424-8220 |
Appears in Collections: | Articles publicats en revistes (Enginyeria Electrònica i Biomèdica) Publicacions de projectes de recerca finançats per la UE |
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