[HTML][HTML] Roadmap of terahertz imaging 2021

G Valušis, A Lisauskas, H Yuan, W Knap, HG Roskos - Sensors, 2021 - mdpi.com
In this roadmap article, we have focused on the most recent advances in terahertz (THz)
imaging with particular attention paid to the optimization and miniaturization of the THz …

[HTML][HTML] Beyond solid-state lighting: Miniaturization, hybrid integration, and applications of GaN nano-and micro-LEDs

HS Wasisto, JD Prades, J Gülink, A Waag - Applied Physics Reviews, 2019 - pubs.aip.org
Gallium nitride (GaN) light-emitting-diode (LED) technology has been the revolution in
modern lighting. In the last decade, a huge global market of efficient, long-lasting, and …

3D intensity and phase imaging from light field measurements in an LED array microscope

L Tian, L Waller - optica, 2015 - opg.optica.org
Realizing high resolution across large volumes is challenging for 3D imaging techniques
with high-speed acquisition. Here, we describe a new method for 3D intensity and phase …

Quantitative differential phase contrast imaging in an LED array microscope

L Tian, L Waller - Optics express, 2015 - opg.optica.org
Illumination-based differential phase contrast (DPC) is a phase imaging method that uses a
pair of images with asymmetric illumination patterns. Distinct from coherent techniques, DPC …

High-resolution and large field-of-view Fourier ptychographic microscopy and its applications in biomedicine

A Pan, C Zuo, B Yao - Reports on Progress in Physics, 2020 - iopscience.iop.org
Fourier ptychographic microscopy (FPM) is a promising and fast-growing computational
imaging technique with high resolution, wide field-of-view (FOV) and quantitative phase …

Physics-based learned design: optimized coded-illumination for quantitative phase imaging

MR Kellman, E Bostan, NA Repina… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Coded illumination can enable quantitative phase microscopy of transparent samples with
minimal hardware requirements. Intensity images are captured with different source …

Multi-layer Born multiple-scattering model for 3D phase microscopy

M Chen, D Ren, HY Liu, S Chowdhury, L Waller - Optica, 2020 - opg.optica.org
We propose an accurate and computationally efficient 3D scattering model, multi-layer Born
(MLB), and use it to recover the 3D refractive index (RI) of thick biological samples. For …

Deep learning for single-shot autofocus microscopy

H Pinkard, Z Phillips, A Babakhani, DA Fletcher… - Optica, 2019 - opg.optica.org
Maintaining an in-focus image over long time scales is an essential and nontrivial task for a
variety of microscopy applications. Here, we describe a fast, robust autofocusing method …

Efficient illumination angle self-calibration in Fourier ptychography

R Eckert, ZF Phillips, L Waller - Applied optics, 2018 - opg.optica.org
Fourier ptychography captures intensity images with varying source patterns (illumination
angles) in order to computationally reconstruct large space-bandwidth-product images …

[HTML][HTML] Low-cost, sub-micron resolution, wide-field computational microscopy using opensource hardware

T Aidukas, R Eckert, AR Harvey, L Waller, PC Konda - Scientific reports, 2019 - nature.com
The revolution in low-cost consumer photography and computation provides fertile
opportunity for a disruptive reduction in the cost of biomedical imaging. Conventional …