Dr. Rajkumar Kettimuthu Profile

Dr. Rajkumar Kettimuthu

at Argonne National Lab.

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Author

Publications (4)

Proceedings Article | 3 October 2022 Presentation + Paper

Assessment of unsupervised clustering of label-free x-ray fluorescence microscopy data

M. A. Chowdhury, K. Ok, Y. Luo, Z. Liu, S. Chen, T. O'Halloran, R. Kettimuthu, A. Tekawade

Proceedings Volume 12227, 122270N (2022) https://doi.org/10.1117/12.2632862

KEYWORDS: Microscopy, X-ray fluorescence spectroscopy, Potassium, Fuzzy logic, X-ray microscopy, Principal component analysis, X-rays, Machine learning, Image segmentation, Feature extraction

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Proceedings Article | 3 October 2022 Presentation

A real-time porosity mapping solution for synchrotron micro-CT of large 3D printed parts (Conference Presentation)

Aniket Tekawade, Viktor Nikitin, Yashas Satapathy, Zhengchun Liu, Xuan Zhang, Peter Kenesei, Francesco De Carlo, Rajkumar Kettimuthu, Ian Foster

Proceedings Volume 12242, 122420U (2022) https://doi.org/10.1117/12.2633332

KEYWORDS: Synchrotrons, Metrology, 3D metrology, Reconstruction algorithms, Metals, Image segmentation, Evolutionary algorithms, Detection and tracking algorithms, Shape analysis, Manufacturing

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Proceedings Article | 12 April 2021 Presentation + Paper

Illinois Express Quantum Network (IEQNET): metropolitan-scale experimental quantum networking over deployed optical fiber

Joaquin Chung, Gregory Kanter, Nikolai Lauk, Raju Valivarthi, Wenji Wu, Russell Ceballos, Cristián Peña, Neil Sinclair, Jordan Thomas, Si Xie, Rajkumar Kettimuthu, Prem Kumar, Panagiotis Spentzouris, Maria Spiropulu

Proceedings Volume 11726, 1172602 (2021) https://doi.org/10.1117/12.2588007

KEYWORDS: Quantum networks, Optical networks, Optical fibers, Quantum communications, Photons, Teleportation, Standards development, Receivers, Optical switching, Optical filters

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Proceedings Article | 5 March 2021 Paper

Implementation of quantum key distribution and quantum clock synchronization via time bin encoding

James Williams, Martin Suchara, Tian Zhong, Hong Qiao, Rajkumar Kettimuthu, Rikuto Fukumori

Proceedings Volume 11699, 1169908 (2021) https://doi.org/10.1117/12.2581862

KEYWORDS: Quantum key distribution, Visibility, Single photon detectors, Single photon, Polarization, Interferometers

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