Dual-Comb Photothermal Microscopy
Peter Chang, Ragib Ishrak, Nazanin Hoghooghi, Scott Egbert, Gregory B., Rieker, Scott A. Diddams, Rohith Reddy
TL;DR
This paper presents a novel dual-comb photothermal microscopy technique that enables rapid, high-resolution, label-free chemical imaging across hundreds of wavelengths using mid-infrared lasers.
Contribution
It introduces a parallelized dual-comb approach for photothermal microscopy, significantly enhancing speed and spectral coverage over traditional methods.
Findings
Achieved simultaneous multi-wavelength measurements
Enabled super-resolution infrared imaging
Demonstrated high-speed, label-free chemical identification
Abstract
We introduce a new parallelized approach to photothermal microscopy that utilizes mid-infrared dual-comb lasers, enabling simultaneous measurements at hundreds of wavelengths. This technology allows for high-speed, label-free chemical identification with super-resolution infrared imaging, overcoming the limitations of slow, single-wavelength-laser methods.
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Taxonomy
TopicsPhotoacoustic and Ultrasonic Imaging