activity
20202024
most citedInfrared chemical imaging through nondegenerate two-photon absorption in silicon-based cameras

59 citations · 81 across the 5 of their papers we have counts for

collaborators

5 papers

physics.optics2024★ 1 cited

Two-photon absorption in silicon using real density matrix approach

David Ziemkiewicz, David Knez, Evan P. Garcia +7

Two-photon absorption in indirect gap semiconductors is an frequently encountered, but not well-understood phenomenon. To address this, the Real Density Matrix Approach is applied…

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.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…