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physics.optics2022★ 1 cited
Single-shot multispectral quantitative phase imaging using deep neural network
Sunil Bhatt, Ankit Butola, Anand Kumar +5
Multi-spectral quantitative phase imaging (MS-QPI) is a cutting-edge label-free technique to determine the morphological changes, refractive index variations and spectroscopic info…
physics.optics2020
Silicon substrate significantly alters dipole-dipole resolution in coherent microscope
Zicheng Liu, Krishna Agarwal
Influences of a substrate below samples in imaging performances are studied by reaching the solution to the dyadic Green's function, where the substrate is modeled as half space in…
physics.optics2020
On-chip TIRF nanoscopy by applying Haar wavelet kernel analysis on intensity fluctuations induced by chip illumination
Nikhil Jayakumar, Øystein I Helle, Krishna Agarwal +1
Photonic-chip based TIRF illumination has been used to demonstrate several on-chip optical nanoscopy methods. The sample is illuminated by the evanescent field generated by the ele…