3D wide field-of-view Gabor-domain optical coherence microscopy advancing real-time in-vivo imaging and metrology

Cristina Canavesi; Andrea Cogliati; Adam Hayes; Patrice Tankam; Anand Santhanam; Jannick P. Rolland

doi:10.1117/12.2252187

17 February 2017 3D wide field-of-view Gabor-domain optical coherence microscopy advancing real-time in-vivo imaging and metrology

Cristina Canavesi, Andrea Cogliati, Adam Hayes, Patrice Tankam, Anand Santhanam, Jannick P. Rolland

Author Affiliations +

Proceedings Volume 10053, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXI; 100530Z (2017) https://doi.org/10.1117/12.2252187
Event: SPIE BiOS, 2017, San Francisco, California, United States

Abstract

Real-time volumetric high-definition wide-field-of-view in-vivo cellular imaging requires micron-scale resolution in 3D. Compactness of the handheld device and distortion-free images with cellular resolution are also critically required for onsite use in clinical applications. By integrating a custom liquid lens-based microscope and a dual-axis MEMS scanner in a compact handheld probe, Gabor-domain optical coherence microscopy (GD-OCM) breaks the lateral resolution limit of optical coherence tomography through depth, overcoming the tradeoff between numerical aperture and depth of focus, enabling advances in biotechnology. Furthermore, distortion-free imaging with no post-processing is achieved with a compact, lightweight handheld MEMS scanner that obtained a 12-fold reduction in volume and 17-fold reduction in weight over a previous dual-mirror galvanometer-based scanner. Approaching the holy grail of medical imaging – noninvasive real-time imaging with histologic resolution – GD-OCM demonstrates invariant resolution of 2 μm throughout a volume of 1 x 1 x 0.6 mm³, acquired and visualized in less than 2 minutes with parallel processing on graphics processing units. Results on the metrology of manufactured materials and imaging of human tissue with GD-OCM are presented.

Conference Presentation

Citation Download Citation

Cristina Canavesi, Andrea Cogliati, Adam Hayes, Patrice Tankam, Anand Santhanam, and Jannick P. Rolland "3D wide field-of-view Gabor-domain optical coherence microscopy advancing real-time in-vivo imaging and metrology", Proc. SPIE 10053, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXI, 100530Z (17 February 2017); https://doi.org/10.1117/12.2252187

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