Applications of mid-infrared supercontinuum lasers and examples within optical coherence tomography for non-destructive testing (Conference Presentation)

Christian Petersen; Niels M. Israelsen; Christos Markos; Ole Bang

doi:10.1117/12.2565339

26 March 2020 Applications of mid-infrared supercontinuum lasers and examples within optical coherence tomography for non-destructive testing (Conference Presentation)

Christian Petersen, Niels M. Israelsen, Christos Markos, Ole Bang

Author Affiliations +

Proceedings Volume 11234, Optical Biopsy XVIII: Toward Real-Time Spectroscopic Imaging and Diagnosis; 112340D (2020) https://doi.org/10.1117/12.2565339
Event: SPIE BiOS, 2020, San Francisco, California, United States

Abstract

In this presentation, we will introduce some of the promising applications where mid-infrared supercontinuum lasers covering from 2-10 μm can have an advantage over competing technologies, such as multi-species gas spectroscopy, fiber evanescent wave spectroscopy, waveguide characterization, and photo-acoustic imaging. One novel application using mid-IR SC is non-destructive testing using optical coherence tomography. By combining broadband supercontinuum and upconversion detection, it is possible to penetrate deeper into materials while maintaining high resolution and real-time imaging capabilities. To demonstrate this, we show results with sub-surface inspection of marine and automotive paints and coatings for evaluation of thickness, uniformity, and defects.

Conference Presentation

Citation Download Citation

Christian Petersen, Niels M. Israelsen, Christos Markos, and Ole Bang "Applications of mid-infrared supercontinuum lasers and examples within optical coherence tomography for non-destructive testing (Conference Presentation)", Proc. SPIE 11234, Optical Biopsy XVIII: Toward Real-Time Spectroscopic Imaging and Diagnosis, 112340D (26 March 2020); https://doi.org/10.1117/12.2565339

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