Dr. Richard O. C. Oreffo Profile

Dr. Richard O. C. Oreffo

at Univ of Southampton

SPIE Involvement:

Author

Publications (5)

SPIE Journal Paper | 10 August 2024

Single-cell high-precision ablation using nanosecond-pulsed thulium-doped fiber laser

Matthew Gerard, Hiroki Cook, James Read, Ibrahim Abughazaleh, Panuwat Srisamran, Siddhi Chugh, Sijing Liang, Qiang Fu, Richard O. Oreffo, David Richardson, Sumeet Mahajan, Lin Xu

OE, Vol. 63, Issue 08, 086102, (August 2024) https://doi.org/10.1117/12.10.1117/1.OE.63.8.086102

KEYWORDS: Ablation, Laser ablation, Biological samples, Tissues, Reflection, Optical engineering, Microscopes, Pulse signals, Absorption, Objectives

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Proceedings Article | 20 June 2024 Presentation

Label-free 3D NIR-SWIR “Spectromics” mapping of human hip cartilage for diagnosis of osteoarthritis

Hiroki Cook, Anna Crisford, Jitendra Nath Acharyya, Konstantinos Bourdakos, Janos Kanczler, Douglas Dunlop, Richard O. Oreffo, Sumeet Mahajan

Proceedings Volume PC13006, PC1300605 (2024) https://doi.org/10.1117/12.3022003

KEYWORDS: Cartilage, Tissues, Vibration, Statistical analysis, Short wave infrared radiation, Near infrared, Chemical analysis, Windows, Transparency, Spectroscopy

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Proceedings Article | 13 March 2024 Presentation

Single-cell high precision ablation using nanosecond-pulsed thulium-doped fiber laser

Matthew Gerard, Hiroki Cook, James Read, Ibrahim Abughazaleh, Panuwat Srisamran, Sijing Liang, Qiang Fu, Richard O. Oreffo, David Richardson, Sumeet Mahajan, Lin Xu

Proceedings Volume PC12840, PC1284005 (2024) https://doi.org/10.1117/12.3000343

KEYWORDS: Laser ablation, Fiber lasers, Tissues, Silica, Pulse generators, Oncology, Neurosurgery, Microsurgery, Light absorption, Cancer

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Proceedings Article | 11 January 2023 Presentation + Paper

Deep tissue imaging with multiphoton microscopy in the short-wavelength infrared windows

Konstantinos Bourdakos, Lin Xu, Anna Crisford, Duanyang Xu, Ibrahim Abughazaleh, Peter Johnson, Hiroki Cook, Panuwat Srisamran, Richard O. Oreffo, David Richardson, Sumeet Mahajan

Proceedings Volume 12333, 123330E (2023) https://doi.org/10.1117/12.2647553

KEYWORDS: Third harmonic generation, Second harmonic generation, Biological imaging, Multiphoton microscopy, Fiber lasers, Windows, Bone, Fiber amplifiers, Near infrared, Deep tissue imaging

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Proceedings Article | 3 May 2017 Presentation

Digital micromirror device based adaptive optics approach for enhanced micro-machining fidelity (Conference Presentation)

Daniel Heath, Ben Mills, James Grant-Jacob, Matthias Feinaeugle, Vitali Goriainov, Richard Oreffo, Robert Eason

Proceedings Volume 10117, 1011706 (2017) https://doi.org/10.1117/12.2250797

KEYWORDS: Digital micromirror devices, Point spread functions, Diffraction, Adaptive optics, Micromachining, Holograms, Real time imaging, Tomography, Reconstruction algorithms, Beam propagation method

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