Lensless microscopy through multiple determined masks

Ahsan Mehmood Khan; Iqra Bashir; Aqiba Hafeez; Anwar Hussain

doi:10.1117/12.2615835

7 December 2021 Lensless microscopy through multiple determined masks

Ahsan Mehmood Khan, Iqra Bashir, Aqiba Hafeez, Anwar Hussain

Proceedings Volume 11922, Advances in Microscopic Imaging III; 119221N (2021) https://doi.org/10.1117/12.2615835
Event: European Conferences on Biomedical Optics, 2021, Online Only

Abstract

In this paper, a transmission mode optical technique is required to achieve a super-resolved image. Basically, this technique is used for high resolution and for large field of view (FOV). The object is illuminated with deterministic mask patterns, and the object encoded information is transmitted to the sensor that is positioned at an optimum distance and records the images. A Spatial light modulator (SLM) is used as a mask and phase distribution of the SLM is changed ten times to captures ten different images. By using the angular spectrum process the captured images are backpropagated sequentially and reconstruct the super-resolved image. The use of multiple deterministic masks and Spatial Light Modulator (SLM) improved the quality of the reconstruction method.

Citation Download Citation

Ahsan Mehmood Khan, Iqra Bashir, Aqiba Hafeez, and Anwar Hussain "Lensless microscopy through multiple determined masks", Proc. SPIE 11922, Advances in Microscopic Imaging III, 119221N (7 December 2021); https://doi.org/10.1117/12.2615835

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KEYWORDS

Spatial light modulators

Microscopy

Image processing

Image retrieval

Image transmission

Quantum optics

Reconstruction algorithms

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