activity
20122023
most citedInfrared chemical imaging through nondegenerate two-photon absorption in silicon-based cameras

59 citations · 81 across the 8 of their papers we have counts for

collaborators

8 papers

physics.optics2023

Light-controlled multi-phase structuring of perovskite crystal enabled by thermoplasmonic metasurface

Sergey S. Kharintsev, Elina I. Battalova, Timur A. Mukhametzyanov +5

Halide perovskites belong to an important family of semiconducting materials with unique electronic properties that enable a myriad of applications, especially in photovoltaics and…

physics.optics2022★ 1 cited

Spectral imaging at high-definition and high speed in the mid-infrared

David Knez, Benjamin W. Toulson, Anabel Chen +4

Spectral imaging in the mid-infrared (MIR) range provides simultaneous morphological and chemical information of a wide variety of samples. However, current MIR technologies strugg…

physics.optics2021★ 20 cited

High-speed 2D and 3D mid-IR imaging with an InGaAs camera

Eric O. Potma, David Knez, Martin Ettenberg +4

Recent work on mid-infrared (MIR) detection through the process of non-degenerate two-photon absorption (NTA) in semiconducting materials has shown that wide-field MIR imaging can…

physics.optics2021

Rapid chemically selective 3D imaging in the mid-infrared with a Si-based camera

Eric O. Potma, David Knez, Yong Chen +7

The emerging technique of mid-infrared optical coherence tomography (MIR-OCT) takes advantage of the reduced scattering of MIR light in various materials and devices, enabling tomo…

physics.app-ph2020

Simple all-optical method for in situ detection of ultralow amounts of ammonia

Yuanchao Liu, Tristan Asset, Yechuan Chen +5

As a key precursor for nitrogenous compounds and fertilizer, ammonia affects our lives in numerous ways. Rapid and sensitive detection of ammonia is essential, both in environmenta…

physics.ins-det2020★ 59 cited

Infrared chemical imaging through nondegenerate two-photon absorption in silicon-based cameras

David Knez, Adam M. Hanninen, Richard C. Prince +2

Chemical imaging based on mid-infrared (MIR) spectroscopic contrast is an important technique with a myriad of applications, including biomedical imaging and environmental monitori…

physics.chem-ph2014

Seeing the vibrational breathing of a single molecule through time-resolved coherent anti-Stokes Raman scattering

Steven Yampolsky, Dmitry A. Fishman, Shirshendu Dey +4

The motion of chemical bonds within molecules can be observed in real time, in the form of vibrational wavepackets prepared and interrogated through ultrafast nonlinear spectroscop…

cond-mat.mtrl-sci2012★ 1 cited

Magneto-absorption spectra of hydrogen-like yellow exciton series in cuprous oxide: excitons in strong magnetic fields

Sergey L. Artyukhin, Dmitry Fishman, Clément Faugeras +4

We study the absorption spectra of the yellow excitons in CuO in high magnetic fields using polarization-resolved optical absorption measurements with a high frequency resoluti…