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Department of Physics and Technology azeem.ahmad@uit.no +4777645140 Tromsø TEK 3.043

Azeem Ahmad


Researcher / Ultrasound, Microwaves and Optics


  • Nikhil Jayakumar, Firehun Tsige Dullo, Vishesh Kumar Dubey, Azeem Ahmad, Florian Ströhl, Jennifer Cauzzo et al.:
    Multi-moded high-index contrast optical waveguide for super-contrast high-resolution label-free microscopy
    Nanophotonics 2022 ARKIV / DOI
  • Luis Villegas, Vishesh Kumar Dubey, Mona Nystad, Jean-Claude Tinguely, David Andre Coucheron, Firehun Tsige Dullo et al.:
    Chip-based multimodal super-resolution microscopy for histological investigations of cryopreserved tissue sections
    Light: Science & Applications (LSA) 2022 ARKIV / DOI
  • Azeem Ahmad, Anowarul Habib, Vishesh Kumar Dubey, Balpreet Singh Ahluwalia :
    Unbalanced low coherence interference microscopy
    Optics and lasers in engineering 2022 ARKIV / DOI
  • Kaushik Shukla, Azeem Ahmad, Balpreet Singh Ahluwalia, Frank Melandsø, Anowarul Habib :
    Finite element simulation of transmission and reflection of acoustic waves in the ultrasonic transducer
    Japanese Journal of Applied Physics (JJAP) 2022 ARKIV / DOI
  • Azeem Ahmad, Nikhil Jayakumar, Balpreet Singh Ahluwalia :
    Demystifying speckle field interference microscopy
    Scientific Reports 2022 DOI
  • Jennifer Cauzzo, Nikhil Jayakumar, Balpreet Singh Ahluwalia, Azeem Ahmad, Natasa Skalko-Basnet :
    Characterization of Liposomes Using Quantitative Phase Microscopy (QPM)
    Pharmaceutics 2021 ARKIV / DOI
  • Paweł Gocłowski, Maria Cywinska, Azeem Ahmad, Balpreet Singh Ahluwalia, Maciej Trusiak :
    Single-shot fringe pattern phase retrieval using improved period-guided bidimensional empirical mode decomposition and Hilbert transform
    Optics Express 2021 ARKIV / DOI
  • Anand Kumar, Azeem Ahmad, Vishesh Kumar Dubey, Ankit Butola, Dalip Singh Mehta :
    Effect of Detector’s Noise in White Light Interferometry Based Quantitative Phase Microscopy
    Springer Proceedings in Physics 2021 DOI
  • Anish Priyadarshi, Firehun Tsige Dullo, Deanna Wolfson, Azeem Ahmad, Nikhil Jayakumar, Vishesh Kumar Dubey et al.:
    A transparent waveguide chip for versatile total internal reflection fluorescence-based microscopy and nanoscopy
    Communications Materials 2021 ARKIV / DOI
  • Azeem Ahmad, Vishesh Dubey, Nikhil Jayakumar, Anowarul Habib, Ankit Butola, Mona Nystad et al.:
    High-throughput spatial sensitive quantitative phase microscopy using low spatial and high temporal coherent illumination
    Scientific Reports 2021 ARKIV / DOI
  • Ankit Butola, David Andre Coucheron, Karolina Szafranska, Azeem Ahmad, Hong Mao, Jean-Claude Tinguely et al.:
    Multimodal on-chip nanoscopy and quantitative phase imaging reveals the nanoscale morphology of liver sinusoidal endothelial cells
    Proceedings of the National Academy of Sciences of the United States of America 2021 ARKIV / FULLTEKST / DOI
  • Rajwinder Singh, Vishesh Dubey, Deanna Wolfson, Azeem Ahmad, Ankit Butola, Ganesh Acharya et al.:
    Quantitative assessment of morphology and sub-cellular changes in macrophages and trophoblasts during inflammation
    Biomedical Optics Express 2020 ARKIV / DOI
  • Ankit Butola, Sheetal Raosaheb Kanade, Sunil Bhatt, Vishesh Kumar Dubey, Anand Kumar, Azeem Ahmad et al.:
    High space-bandwidth in quantitative phase imaging using partially spatially coherent digital holographic microscopy and a deep neural network
    Optics Express 2020 ARKIV / DOI
  • Nikhil Jayakumar, Azeem Ahmad, Dalip Singh Mehta, Balpreet Singh Ahluwalia :
    Sampling moiré method: a tool for sensing quadratic phase distortion and its correction for accurate quantitative phase microscopy
    Optics Express 2020 ARKIV / DOI
  • Paweł Gocłowski, Maciej Trusiak, Azeem Ahmad, Adam Styk, Vicente Mico, Balpreet Singh Ahluwalia et al.:
    Automatic fringe pattern enhancement using truly adaptive period-guided bidimensional empirical mode decomposition
    Optics Express 2020 ARKIV / DOI
  • Azeem Ahmad, Vishesh Kumar Dubey, Ankit Butola, Jean-Claude Tinguely, Balpreet Singh Ahluwalia, Dalip Singh Mehta :
    Sub-nanometer height sensitivity by phase shifting interference microscopy under environmental fluctuations
    Optics Express 2020 ARKIV / DOI
  • Azeem Ahmad, Vishesh Kumar Dubey, Ankit Butola, Balpreet Singh Ahluwalia, Dalip Singh Mehta :
    Highly temporal stable, wavelength-independent, and scalable field-of-view common-path quantitative phase microscope
    Journal of Biomedical Optics 2020 ARKIV / DOI
  • Ankit Butola, Daria Popova, Dilip K. Prasad, Azeem Ahmad, Anowarul Habib, Jean-Claude Tinguely et al.:
    High spatially sensitive quantitative phase imaging assisted with deep neural network for classification of human spermatozoa under stressed condition
    Scientific Reports 04. August 2020 ARKIV / DOI
  • Ankit Butola, Dilip Kumar Prasad, Azeem Ahmad, Vishesh Kumar Dubey, Darakhshan Qaiser, Anurag Srivastava et al.:
    Deep learning architecture “LightOCT” for diagnostic decision support using optical coherence tomography images of biological samples
    Biomedical Optics Express 2020 ARKIV / DOI
  • Azeem Ahmad, Vishesh Kumar Dubey, Nikhil Jayakumar, Anowarul Habib, Ankit Butola, Mona Nystad et al.:
    High throughput spatially sensitive single-shot quantitative phase microscopy.
    arXiv 2020
  • Azeem Ahmad, Tanmoy Mahanty, Vishesh Dubey, Ankit Butola, Balpreet Singh Ahluwalia, Dalip Singh Mehta :
    Effect on the longitudinal coherence properties of a pseudothermal light source as a function of source size and temporal coherence
    Optics Letters 2019 ARKIV / DOI
  • Azeem Ahmad, Anand Kumar, Vishesh Kumar Dubey, Ankit Butola, Balpreet Singh Ahluwalia, Dalip Singh Mehta :
    Characterization of color cross-talk of CCD detectors and its influence in multispectral quantitative phase imaging
    Optics Express 2019 ARKIV / DOI
  • Vishesh Kumar Dubey, Azeem Ahmad, Ankit Butola, Darakhshan Qaiser, Anurag Srivastava, Dalip Singh Mehta :
    Low coherence quantitative phase microscopy with machine learning model and Raman spectroscopy for the study of breast cancer cells and their classification
    Applied Optics 2019 DOI
  • Vishesh Kumar Dubey, Daria Popova, Azeem Ahmad, Ganesh Acharya, Purusotam Basnet, Dalip Singh Mehta et al.:
    Partially spatially coherent digital holographic microscopy and machine learning for quantitative analysis of human spermatozoa under oxidative stress condition
    Scientific Reports 2019 ARKIV / DOI
  • Kashif Usmani, Azeem Ahmad, Rakesh Joshi, Vishesh Kumar Dubey, Ankit Butola, Dalip Singh Mehta :
    Relationship between the source size at the diffuser plane and the longitudinal spatial coherence function of the optical coherence microscopy system
    Optical Society of America. Journal A: Optics, Image Science, and Vision (JOSA A) 2019 ARKIV / DOI
  • Ankit Butola, Azeem Ahmad, Vishesh Kumar Dubey, Vishal Srivastava, Darakhshan Qaiser, Anurag Srivastava et al.:
    Volumetric analysis of breast cancer tissues using machine learning and swept-source optical coherence tomography
    Applied Optics 2019 DOI
  • Azeem Ahmad, Vishesh Dubey, Vijay Singh, Jean-Claude Tinguely, Cristina Ionica Øie, Deanna Wolfson et al.:
    Quantitative phase microscopy of red blood cells during planar trapping and propulsion
    Lab on a Chip 2018 ARKIV / DOI
  • Vishesh Dubey, Azeem Ahmad, Rajwinder Singh, Deanna Wolfson, Purusotam Basnet, Ganesh Acharya et al.:
    Multi-modal chip-based fluorescence and quantitative phase microscopy for studying inflammation in macrophages
    Optics Express 2018 ARKIV / DOI
  • Anowarul Habib, Ahmad Azeem, Sanat Wagle, Balpreet Singh Ahluwalia, Frank Melandsø, Anuj Kumar Tiwari et al.:
    Quantitative phase measurement for the damage detection in piezoelectric crystal using angularly placed multiple inter digital transducers
    Proceedings - IEEE Ultrasonics Symposium 2016 DOI
  • Luis Villegas, Vishesh Kumar Dubey, Balpreet Singh Ahluwalia, Azeem Ahmad :
    Photonic-chip: a multimodal super-resolution imaging tool for histopathology
    2021
  • Nikhil Jayakumar, Firehun Tsige Dullo, Vishesh Kumar Dubey, Azeem Ahmad, Jennifer Cauzzo, Eduarda Mazagao Guerreiro et al.:
    Label-free imaging on waveguide platform with enhanced resolution and contrast
    2021
  • Vishesh Kumar Dubey, Luis Enrique Villegas Hernández, Mona Nystad, Jean-Claude Tinguely, David Andre Coucheron, Firehun Tsige Dullo et al.:
    Photonic-chip for multimodal super-resolution imaging in histopathology applications
    2021
  • Abhishek Ranjan, Antonin Patricio James, Anowarul Habib, Azeem Ahmad, Balpreet Singh Ahluwalia, Frank Melandsø :
    Photoacoustic Imaging of Microparticles
    2019
  • Ankit Butola, Daria Popova, Azeem Ahmad, Vishesh Kumar Dubey, Ganesh Acharya, Purusotam Basnet et al.:
    Classification of human spermatozoa using quantitative phase imaging and machine learning
    2019
  • Azeem Ahmad, Nikhil Jayakumar, Ankit Butola, Vishesh Kumar Dubey, Dalip Singh Mehta, Balpreet Singh Ahluwalia :
    High space-bandwidth product with high spatial phase sensitivity in single-shot digital holographic microscopy
    2019
  • Azeem Ahmad, Vishesh Kumar Dubey, Ankit Butola, Dalip Singh Mehta, Balpreet Singh Ahluwalia :
    Novel highly stable wavelength independent quantitative phase microscope
    2019
  • Vishesh Kumar Dubey, Azeem Ahmad, Rajwinder Singh, Dalip Singh Mehta, Balpreet Singh Ahluwalia :
    Digital holographic microscopy and machine learning approach for the classification of inflammation in macrophages
    2019
  • Vishesh Kumar Dubey, Daria Popova, Azeem Ahmad, Ganesh Acharya, Purusotam Basnet, Dalip Singh Mehta et al.:
    Author Correction: Partially spatially coherent digital holographic microscopy and machine learning for quantitative analysis of human spermatozoa under oxidative stress condition (Scientific Reports, (2019), 9, 1, (3564), 10.1038/s41598-019-39523-5)
    Scientific Reports 2019 DOI
  • Azeem Ahmad, Balpreet Singh Ahluwalia, Dalip Singh Mehta :
    Quantitative phase imaging of human red blood cells under the influence of optical forces
    2018
  • Vishesh Dubey, Rajwinder Singh, Azeem Ahmad, Dalip Singh Mehta, Balpreet Singh Ahluwalia :
    Chip-based Total Internal Reflection Fluorescence Microscopy
    2018
  • Anand Kumar, Azeem Ahmad, Vishesh Dubey, Ankit Butola, Dalip Singh Mehta :
    Influence of color CCD camera’s noise in quantitative phase imaging
    2018
  • Rajwinder Singh, Deanna Wolfson, Vishesh Dubey, Azeem Ahmad, Ganesh Acharya, Dalip Singh Mehta et al.:
    Inflammatory response of macrophages and trophoblasts investigated using structured illumination microscopy and quantitative phase microscopy
    Placenta 2017 ARKIV / DOI

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