activity
20182022
most citedFluorescence fluctuations-based super-resolution microscopy techniques: an experimental comparative study

12 citations · 26 across the 8 of their papers we have counts for

collaborators

21 papers

physics.optics202210 cited

Hilbert phase microscopy based on pseudo thermal illumination in Linnik configuration

Mikołaj Rogalski, Maria Cywińska, Azeem Ahmad +4

Quantitative phase microscopy (QPM) is often based on recording an object-reference interference pattern and its further phase demodulation. We propose Pseudo Hilbert Phase Microsc…

physics.class-ph2022

Surface acoustic waves inside polystyrene microparticles through photoacoustic microscopy

Abhishek Ranjan, Anowarul Habib, Azeem Ahmad +2

We demonstrate surface acoustic waves inside polystyrene microspheres of different sizes experimentally through photoacoustic microscopy and validate the experimental result with s…

physics.optics20211 cited

Demystifying speckle field quantitative phase microscopy

Azeem Ahmad, Nikhil Jayakumar, Balpreet Singh Ahluwalia

Quantitative phase microscopy (QPM) has found significant applications in the field of biomedical imaging which works on the principle of interferometry. The theory behind achievin…

physics.optics2021

Study of waveguide background at visible wavelengths for on-chip nanoscopy

David A. Coucheron, Øystien I. Helle, James S. Wilkinson +4

On-chip super-resolution optical microscopy is an emerging field relying on waveguide excitation with visible light. Here, we investigate two commonly used high-refractive index wa…

physics.optics2020

High throughput spatially sensitive single-shot quantitative phase microscopy

Azeem Ahmad, Vishesh Dubey, Nikhil Jayakumar +7

High space-bandwidth product with high spatial phase sensitivity is indispensable for a single-shot quantitative phase microscopy (QPM) system. It opens avenue for widespread appli…

eess.IV2020

Soft thresholding schemes for multiple signal classification algorithm

Sebastian Acuña, Ida S. Opstad, Fred Godtliebsen +2

Multiple signal classification algorithm (MUSICAL) exploits temporal fluctuations in fluorescence intensity to perform super-resolution microscopy by computing the value of a super…