142 citations · 384 across the 38 of their papers we have counts for
39 papers
Motion-guided sparse correction enables expert-quality point tracking across diverse microscopy regimes
Leonidas Zimianitis, Pasindu Thenahandi, Kai Buckhalter +10
Tracking the dynamics of non-canonical biological systems in microscopy videos remains a persistent challenge. Both classical and learning-based trackers depend on expert-reviewed…
High-Sensitivity, High-Throughput Double Sagnac Lateral Shearing Quantitative Phase Microscopy and Tomography with Pseudo-Thermal Illumination
Pawel Goclowski, Maciej Trusiak, Balpreet S. Ahluwalia +1
Quantitative phase microscopy (QPM) enables label-free measurement of local optical path length variations, providing critical insight into the structure and dynamics of transparen…
High-Fidelity Single-Shot Quantitative Differential Phase Microscopy Using Pseudothermal Sagnac Interferometer
Pawel Goclowski, Hong Mao, Maciek Trusiak +2
In this letter, a high-fidelity single-shot differential quantitative phase microscopy (dQPM) method is presented to effectively image nearly transparent biological samples. The pr…
Piezoelectric MEMS Phase Modulator for Silicon Nitride Platform in the Visible Spectrum
Firehun T. Dullo, Paul C. Thrane, Nikhil Jayakumar +4
Active photonic integrated circuits (PICs) in the visible spectrum are essential for on-chip applications, requiring low-loss waveguides with broad transparency and efficient, low-…
Lateral shearing optical diffraction tomography of brain organoid with reduced spatial coherence
Pawel Goclowski, Julianna Winnik, Vishesh Dubey +6
Optical diffraction tomography (ODT) is a powerful technique for quantitative, label-free reconstruction of the three-dimensional refractive index (RI) distribution of biological s…
High Space-bandwidth Product Label-free Examination of iPSC-derived Brain Organoids via Fourier Ptychographic Microscopy
Mikolaj Krysa, Mikolaj Rogalski, Piotr Arcab +7
Fourier ptychographic microscopy (FPM) is a promising quantitative phase imaging technique that enables high-resolution, label-free imaging over a large field-of-view. Here, we pre…
Bayesian inference for precise and uncertainty-quantified single-shot widefield interferometric geometrical nanometrology
Damian Suski, Maria Cywinska, Julianna Winnik +5
Advanced geometrical nanometrology is critical for process control in semiconductor manufacturing, supporting applications in, e.g., photonic integrated circuits, nanoelectronics,…
Comparative study of microscopy methods to assess fish intestinal microvilli
Ankit Butola, Luis E. Villegas-Hernández, Dhivya B. Thiyagarajan +3
The primary function of intestinal microvilli is to increase the surface area of the intestinal lining to maximize nutrient absorption. This is especially important as fish, like o…
Gradient Optical Diffraction Tomography
Julianna Winnik, Piotr Zdankowski, Marzena Stefaniuk +4
Optical diffraction tomography (ODT) enables non-invasive information-rich 3D refractive index (RI) reconstruction of unimpaired transparent biological and technical samples, cruci…
Thinking in Groups: Permutation Tests Reveal Near-Out-of-Distribution
Yasith Jayawardana, Dineth Jayakody, Sampath Jayarathna +1
Deep neural networks (DNNs) have the potential to power many biomedical workflows, but training them on truly representative, IID datasets is often infeasible. Most models instead…
Label-free incoherent super-resolution optical microscopy
Nikhil Jayakumar, Luis E. Villegas-Hernandez, Weisong Zhao +6
The photo-kinetics of fluorescent molecules have enabled the circumvention of far-field optical diffraction-limit. Despite its enormous potential, the necessity to label the sample…
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…
Deep Optical Coding Design in Computational Imaging
Henry Arguello, Jorge Bacca, Hasindu Kariyawasam +10
Computational optical imaging (COI) systems leverage optical coding elements (CE) in their setups to encode a high-dimensional scene in a single or multiple snapshots and decode it…
Transmission Structured Illumination Microscopy using Tilt-mirror Assembly
Krishnendu Samanta, Azeem Ahmad, Jean-Claude Tinguely +2
We present experimental demonstration of tilt-mirror assisted transmission structured illumination microscopy (tSIM) that offers a large field of view super resolution imaging. An…
From Hours to Seconds: Towards 100x Faster Quantitative Phase Imaging via Differentiable Microscopy
Udith Haputhanthri, Kithmini Herath, Ramith Hettiarachchi +5
With applications ranging from metabolomics to histopathology, quantitative phase microscopy (QPM) is a powerful label-free imaging modality. Despite significant advances in fast m…
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…
Differentiable Microscopy Designs an All Optical Phase Retrieval Microscope
Kithmini Herath, Hasindu Kariyawasam, Ramith Hettiarachchi +7
Designing new optical systems from the ground up for microscopy imaging tasks such as phase retrieval, requires substantial scientific expertise and creativity. To augment the trad…
Label-free chip-based evanescent light scattering super-resolution and superior-contrast optical microscopy (cELS)
Nikhil Jayakumar, Firehun T Dullo, Vishesh Dubey +7
Chip-based Evanescent Light Scattering (cELS) utilizes the multiple modes of a high-index contrast optical waveguide for near-field illumination of unlabeled samples, thereby repos…
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…
Roadmap on multimode light shaping
Marco Piccardo, Vincent Ginis, Andrew Forbes +35
Our ability to generate new distributions of light has been remarkably enhanced in recent years. At the most fundamental level, these light patterns are obtained by ingeniously com…
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…
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…
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…
Simulation-supervised deep learning for analysing organelles states and behaviour in living cells
Arif Ahmed Sekh, Ida S. Opstad, Rohit Agarwal +5
In many real-world scientific problems, generating ground truth (GT) for supervised learning is almost impossible. The causes include limitations imposed by scientific instrument,…