Dr. Thomas N. Rohrabaugh Profile

Dr. Thomas N. Rohrabaugh

at DEVCOM Army Research Lab

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 11 March 2024 Presentation + Paper

Derivatized phenylbenzothiazole cyclometalating ligands for reverse saturable absorption materials development

Victor Jaffett, Ryan O'Donnell, Thomas Rohrabaugh, Justin Yeung, Chi Nguyen, William Shensky

Proceedings Volume 12883, 1288302 (2024) https://doi.org/10.1117/12.3001916

KEYWORDS: Photoluminescence, Saturable absorption, Chromophores, Transition metals, Time correlated single photon counting, Absorption, Spectroscopy

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Proceedings Article | 14 March 2023 Presentation

Installation of hole transport functionality in iridium complexes for reverse saturable absorption (RSA) materials development

Ryan O'Donnell, Thomas Rohrabaugh, Jack Harrison, Justin Yeung, Victor Jaffett, Chi Nguyen, William Shensky

Proceedings Volume PC12418, PC1241808 (2023) https://doi.org/10.1117/12.2653670

KEYWORDS: Iridium, Saturable absorption, Organic light emitting diodes, Nonlinear optics, Visible radiation, Transition metals, Quantum efficiency, Near infrared, Luminescence, Chromophores

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Proceedings Article | 14 March 2023 Presentation + Paper

Shining light on the photophysics of polymethine dyes with chalcogenopyrylium termini

Lauren Rosch, Matthew Crawley, Thomas Rohrabaugh, Trenton Ensley, Ryan O'Donnell, Timothy Cook

Proceedings Volume 12418, 1241804 (2023) https://doi.org/10.1117/12.2650099

KEYWORDS: Dyes, Oxygen, Electrodes, Absorption, Oxidation, Platinum, Tellurium, Spectroscopy, Femtosecond phenomena, Ultrafast phenomena

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Proceedings Article | 14 March 2023 Presentation + Paper

Triplet migration and reverse-saturable absorption in cyclometalated iridium complexes with pyrene isocyanide ligands

Morris Olumba, Ryan O'Donnell, Thomas Rohrabaugh, Thomas Teets

Proceedings Volume 12418, 1241805 (2023) https://doi.org/10.1117/12.2648467

KEYWORDS: Nonlinear optical materials, Iridium, Absorption, Photoluminescence, Light absorption, Absorption spectrum, Chromophores, Phosphorescence, Visible radiation, Ultraviolet radiation, Energy transfer

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Proceedings Article | 7 March 2022 Presentation + Paper

Derivatized phenylbenzothiazole cyclometalating ligands for reverse saturable absorption materials development

Victor Jaffett, Ryan O'Donnell, Thomas Rohrabaugh, Jack Harrison, Nanki Verma, Chi Nguyen, William Shensky

Proceedings Volume 11998, 1199804 (2022) https://doi.org/10.1117/12.2611252

KEYWORDS: Bromine, Absorption, Microwave radiation, Chromophores, Saturable absorption, Luminescence, Transition metals, Spectroscopy, Pulsed laser operation

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Proceedings Article | 7 March 2022 Presentation + Paper

Rigidification of cyclometalating ligands for reverse saturable absorption (RSA) materials development

Ryan O'Donnell, Thomas Rohrabaugh, Kenneth Smith, William Shensky

Proceedings Volume 11998, 1199805 (2022) https://doi.org/10.1117/12.2611166

KEYWORDS: Absorption, Iridium, Saturable absorption, Nonlinear optics, Visible radiation, Absorption spectroscopy, Spectroscopy, Pulsed laser operation, Transition metals, Ultrafast phenomena

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Proceedings Article | 5 March 2021 Presentation + Paper

Derivatized 2-phenylbenzothiazole cyclometalating ligands for reverse saturable absorption (RSA) materials development

Ryan O'Donnell, Thomas Rohrabaugh, Bailey Schieve, Alexis Burnette, Shamya London, William Shensky

Proceedings Volume 11683, 116830T (2021) https://doi.org/10.1117/12.2578752

KEYWORDS: Saturable absorption, Organic light emitting diodes, Nonlinear optics, Absorption, Transition metals, Photodynamic therapy, Microwave radiation, Iridium, Chromophores, Chromatography

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Proceedings Article | 5 March 2021 Presentation + Paper

Photophysics and excited-state absorption of bis-cyclometalated iridium complexes with isocyanide ancillary ligands

Morris Olumba, Ryan O'Donnell, Thomas Rohrabaugh, Thomas Teets

Proceedings Volume 11683, 116830S (2021) https://doi.org/10.1117/12.2576139

KEYWORDS: Absorption, Iridium, Spectroscopy, Luminescence, Absorption spectroscopy

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Showing 5 of 8 publications

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