A miniature on-chip microscope

Prajapati, E. and Kumar, Shishir (2020) A miniature on-chip microscope. In: 24th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2020, 4 October 2020through 9 October 2020, Virtual, Online.

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Abstract

Digital-holography based lensless microscopes emerged as a simple and portable solution to the limitations of bench-top conventional optical microscopes. However, the existing lensless microscopes need additional optical and/or mechanical components to obtain sub-pixel resolution. In this work, we propose and demonstrate a lensless imaging system that eliminates such hardware overheads, using a microLED array display as illumination source. Small pitch of this bright microLED array allows subpixel shifts in the resulting holograms, opening way for super-resolution techniques. This on-chip microscope occupies only a few mm3 thus, is highly suited for point-of-care applications, offering various trade-offs and novel possibilities. © 2020 CBMS-0001

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IITH Creators:
IITH CreatorsORCiD
Kumar, ShishirUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Lensless microscope, MicroLEDs, Super-resolution
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: . LibTrainee 2021
Date Deposited: 22 Oct 2022 07:14
Last Modified: 22 Oct 2022 07:14
URI: http://raiith.iith.ac.in/id/eprint/11027
Publisher URL:
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