6 papers
Hybrid spectral-spatial domain registration for nanometric tracking in digital in-line holographic microscopy
Kamil Kalinowski, Mikolaj Rogalski, Piotr Arcab +3
Digital in-line holographic microscopy enables label-free tracking and metrology, but achieving nanometric sub-pixel displacement accuracy over a wide capture range remains challen…
Near-infrared lensless holographic microscopy on a visible sensor enables label-free high-throughput imaging in strong scattering
Emilia Wdowiak, Piotr Arcab, Mikolaj Rogalski +6
Lensless digital holographic microscopy (LDHM) relies on interference between an unscattered reference wave and a weakly scattered object wave - an assumption that rapidly fails in…
DeepBessel: deep learning-based full-field vibration profilometry using single-shot time-averaged interference microscopy
Maria Cywinska, Wiktor Forjasz, Emilia Wdowiak +4
Full-field vibration profilometry is essential for dynamic characterizing microelectromechanical systems (MEMS/MOEMS). Time-averaged interferometry (TAI) encodes spatial informatio…
Low-dose Chemically Specific Bioimaging via Deep-UV Lensless Holographic Microscopy on a Standard Camera
Piotr Arcab, Mikolaj Rogalski, Karolina Niedziela +11
Deep-ultraviolet (DUV) microscopy can provide label-free biochemical contrast by exploiting the intrinsic absorption of nucleic acids, proteins and lipids, offering chemically spec…
Speckle suppression in digital in-line holographic microscopy through liquid crystal dynamic scattering
Emilia Wdowiak, Nathan Spiller, Tianxin Wang +7
We demonstrate speckle noise reduction in an in-line holographic imaging system using a Zwitterion-doped liquid crystal dynamic scatterer (LCDS) cell diffuser. Integrated into a mi…
Gigavoxel-Scale Multiple-Scattering-Aware Lensless Holotomography
Mikolaj Rogalski, Julianna Winnik, Julia Dudek +6
Holotomography (HT) has revolutionized quantitative label-free 3D imaging, yet conventional lens-based implementations are fundamentally constrained in field-of-view (FOV) and imag…