Compressive Raman imaging (Conference Presentation)

Hervé Rigneault; Camille Scotte; Siddharth Sivankutty; Randy Bartels

doi:10.1117/12.2542708

10 March 2020 Compressive Raman imaging (Conference Presentation)

Hervé Rigneault, Camille Scotte, Siddharth Sivankutty, Randy Bartels

Proceedings Volume 11250, High-Speed Biomedical Imaging and Spectroscopy V; 112500Q (2020) https://doi.org/10.1117/12.2542708
Event: SPIE BiOS, 2020, San Francisco, California, United States

Abstract

We develop a high speed compressive Raman imaging technology using a programmable binary spectral filter and a single channel detector to perform fast Raman detection and concentration estimation of know species over millimeters field of view. The technology is x100 times faster than commercial CCD based systems and x10 times faster than the EMCCD based systems. We report fast imaging of breast micro-calcifications, SERS particles, pharmaceutical tablets and micro-plastics. We also present a novel fast line scan compressive Raman imaging technique using spatial frequency-modulated illumination (SPIFI) that enables to encode space into the frequency domain to acquire single shot line images. We demonstrate the imaging and classification of three different chemical species at line scan rates of 40 Hz.

Conference Presentation

Citation Download Citation

Hervé Rigneault, Camille Scotte, Siddharth Sivankutty, and Randy Bartels "Compressive Raman imaging (Conference Presentation)", Proc. SPIE 11250, High-Speed Biomedical Imaging and Spectroscopy V, 112500Q (10 March 2020); https://doi.org/10.1117/12.2542708

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