Prof. Bradley R. Arnold Profile

Prof. Bradley R. Arnold

Associate Professor of Chemistry & Biochemistry at Univ of Maryland Baltimore County

SPIE Involvement:

Editorial Board Member: Optical Engineering | Author | Student Chapter Advisor

Area of Expertise:

Spectroscopy , Chemical Detection , Optical Characterization

Publications (39)

Proceedings Article | 13 April 2024 Presentation

Design and low temperature flux growth of multifunctional optical crystals

Narasimha Prasad, Ching Hua Su, Meghan Brandt, Aria Tauraso, Krishna Machuga, Bradley Arnold, Fow-Sen Choa, Brian Cullum, Narsingh Singh

Proceedings Volume PC12882, PC1288205 (2024) https://doi.org/10.1117/12.3003480

KEYWORDS: Crystals, Mid-IR, Long wavelength infrared, Design and modelling, Crystal optics, Gallium, Transparency, Thermal stability, Polishing, Nonlinear optics

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SPIE Journal Paper | 19 March 2024

Effect of high-energy radiation on the electrical and optical characteristics of bioactive glasses

Aria Tauraso, Krishna Machuga, Joel McAdams, Ching Hua Su, Brian Cullum, Tagide deCarvalho, Narasimha Prasad, Bradley Arnold, Fow-Sen Choa, Kamdeo Mandal, Narsingh Bahadur Singh

OE, Vol. 63, Issue 03, 037105, (March 2024) https://doi.org/10.1117/12.10.1117/1.OE.63.3.037105

KEYWORDS: Glasses, Radiation effects, Dielectrics, Titanium, Mixtures, Selenium, Silicates, Phosphates, Oxides, Crystals

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Proceedings Article | 19 July 2023 Presentation + Paper

All optical approach to determine quality and performance of sensor materials

Meghan Brandt, Brett Setera, Ian Emge, Ching Hua Su, Bradley Arnold, Fow-Sen Choa, Brian Cullum, Leslie Scherer, N. Singh

Proceedings Volume 12548, 1254805 (2023) https://doi.org/10.1117/12.2661227

KEYWORDS: Crystals, Reflectivity, Zinc selenide, Refractive index, Absorption, Specular reflections, Reflection, Birefringence, Sensors, Surface finishing

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Proceedings Article | 14 June 2023 Presentation + Paper

Laser-based optical technique for proximal collection of chemical signatures

Bradley Arnold, Sara Tahir, Sebastian Lecha

Proceedings Volume 12541, 1254105 (2023) https://doi.org/10.1117/12.2663203

KEYWORDS: Raman spectroscopy, Laser scattering, Laser optics, Pulsed laser operation, Acetone, Spectrographs, Signal intensity, Raman scattering, Signal detection, Statistical analysis

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Proceedings Article | 14 June 2023 Presentation

Predetermination of artifacts in binary and ternary laser and sensor materials using thermodynamic excess functions (Conference Presentation)

Ian Emge, Ching Su, Savika Raina, Krishna Machuga, Rachit Sood, Bradley Arnold, Fow-Sen Choa, Raghaw Rai, Narsingh Bahadur Singh

Proceedings Volume PC12548, PC1254806 (2023) https://doi.org/10.1117/12.2664225

KEYWORDS: Thermodynamics, Sensors, Binary data, Silicon, Semiconductors, Semiconductor materials, Germanium, Crystals

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Proceedings Article | 14 June 2023 Presentation + Paper

Effect of processing parameters on sensing of chem-bio agents on surfaces: contact angle-based interactions

Narasimha Prasad, Brett Setera, Ian Emge, Leslie Scheurer, Lisa Kelly, Brad Arnold, Brian Cullum, Fow-Sen Choa, N. Singh

Proceedings Volume 12548, 1254802 (2023) https://doi.org/10.1117/12.2661716

KEYWORDS: Annealing, Polystyrene, Nanoparticles, Sensors, Polymers, Titanium, Particles, Oxides, Mixtures, Materials properties

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Proceedings Article | 14 June 2023 Presentation + Paper

Disruptive chemical approach to modify perovskites for chemical and biological sensors

Meghan Brandt, Mahack Kazmi, Ching Hua Su, Narasimha Prasad, Bradley Arnold, Fow-Sen Choa, Brian Cullum, Eric Bowman, Krishna Machuga, N. Singh

Proceedings Volume 12548, 1254804 (2023) https://doi.org/10.1117/12.2661233

KEYWORDS: Dielectrics, Annealing, Sodium, Perovskite, Scanning electron microscopy, Sensors, Capacitance, Acetone, Sintering, Capacitors

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Proceedings Article | 8 March 2023 Presentation + Paper

Optical characteristics of radiated multifunctional optical materials

Narasimha Prasad, Eric Bowman, Meghan Brandt, Amalthea Trobare, Ching Hua Su, Bradley Arnold, Fow-Sen Choa, N. Singh

Proceedings Volume 12399, 123990F (2023) https://doi.org/10.1117/12.2653580

KEYWORDS: Electromagnetic radiation, Crystals, Mercury, Acoustooptics, Spectroscopy, Optical filters, Absorbance, Tunable filters, Metals, Laser radiation

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Proceedings Article | 22 April 2021 Presentation + Paper

Design of ZnSe QPM for wide transparency sensing and laser applications

Rachit Sood, Hedyeh Bagherzadeh, Fow-Sen Choa, Ching Hua Su, Bradley Arnold, Eric Bowman, Brian Cullum, N. Singh

Proceedings Volume 11757, 117570S (2021) https://doi.org/10.1117/12.2585832

KEYWORDS: Semiconducting wafers, Silicon, Gallium arsenide, Computer aided design, Transparency, Scanning electron microscopy, Quartz, Photomasks, Laser applications, Etching

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Proceedings Article | 12 April 2021 Presentation + Paper

Surface characteristics of polymer nanocomposites

Ian Emge, Leslie Scheurer, Ryan Grant, Narasimha Prasad, Lisa Kelly, Bradley Arnold, Fow-Sen Choa, Brett Setera, N. Singh

Proceedings Volume 11757, 117570X (2021) https://doi.org/10.1117/12.2585834

KEYWORDS: Polymers, Composites, Sensors

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Proceedings Article | 12 April 2021 Presentation

Optimization of sensor materials using physical vapor transport growth method

Ian Emge, Dan Kazal, Christopher Cooper, Rachit Sood, Sonali Saraf, Ching Hua Su, Brian Cullum, Fow-Sen Choa, Bradley Arnold, Lisa Kelly, Narsingh Singh

Proceedings Volume 11757, 117570O (2021) https://doi.org/10.1117/12.2586081

KEYWORDS: Sensors

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Proceedings Article | 20 August 2020 Presentation + Paper

Design and measurements of n for the multicomponent semiconductor

Brett Setera, Bradley Arnold, Fow-Sen Choa, Lisa Kelly, Ian Emge, Charmain Su, Krishna Machuga, N. B. Singh

Proceedings Volume 11498, 1149803 (2020) https://doi.org/10.1117/12.2566997

KEYWORDS: Reflectivity, Refractive index, Absorption, Fiber optics, Crystals, Additive manufacturing, Semiconductors, Optical testing, 3D modeling

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Proceedings Article | 20 August 2020 Presentation

Multifunctional semiconductors for radiation sensors: crystal growth and characterization

Narsingh Bahadur Singh, Ian Emge, Brett Setera, Charmain Su, Fow-Sen Choa, Bradley Arnold, Kamdeo Mandal, Narasimha Prasad

Proceedings Volume 11494, 1149406 (2020) https://doi.org/10.1117/12.2566996

KEYWORDS: Sensors, Crystals, Semiconductors

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Proceedings Article | 24 April 2020 Presentation + Paper

Chemical and biological sensing using polarity of materials

Ian Emge, Charmain Su, Rachit Sood, Bradley Arnold, Fow-Sen Choa, Lisa Kelly, K. D. Mandal, Manish Verma, N. B. Singh

Proceedings Volume 11416, 1141610 (2020) https://doi.org/10.1117/12.2563877

KEYWORDS: Dielectrics, Capacitors, Perovskite, Copper, Crystals, Biological and chemical sensing, Biosensing, Electrodes, Sensors, Ceramics

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Proceedings Article | 16 August 2019 Presentation

Bio inspired multifunctional sensors: nanoengineered thermochromic and phase change materials (Conference Presentation)

Narsingh Bahadur Singh, Ching Hua Su, Fow-Sen Choa, Bradley Arnold, Brian Cullum, Eric Bowman, Kamdeo Mandal, Laxman Singh

Proceedings Volume 11020, 1102004 (2019) https://doi.org/10.1117/12.2516040

KEYWORDS: Sensors, Biosensors

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Proceedings Article | 14 May 2019 Presentation

Nanocomposites for low dose gamma-ray sensor: Effect of matrix and oxidizer on the performance (Conference Presentation)

Vishall Dayal, Narsingh Bahadur Singh, Ching Hua Su, Puneet Gill, Brit Lee, Fow-Sen Choa, Bradley Arnold, Lisa Kelly, Brian Cullum

Proceedings Volume 11010, 110100Q (2019) https://doi.org/10.1117/12.2517435

KEYWORDS: Nanocomposites, Gamma radiation, Sensors, Crystals, Metals, Oxides, Scintillators, Semiconductor materials, Cerenkov radiation imaging, Organic materials

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Proceedings Article | 13 May 2019 Paper

Distorted perovskites for high voltage dielectric capacitors

Puneet Gill, Hedyeh Bagherzadeh, Fow-Sen Choa, Bradley Arnold, Paul Smith, Ching Hua Su, Manish Verma, Laxman Singh, Kamdeo Mandal, N. B. Singh

Proceedings Volume 10979, 109790F (2019) https://doi.org/10.1117/12.2516044

KEYWORDS: Dielectrics, Copper, Capacitors, Perovskite, Gallium, Calcium, Oxides, Capacitance, Electrodes, Gallium nitride

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Proceedings Article | 13 May 2019 Paper

Design of materials for IR detectors using high Z elements for high energy radiation environment

Sonali Saraf, Christopher Cooper, Ching Hua Su, Fow-Sen Choa, Bradley Arnold, Brian Cullum, David Sachs, Philip DiPaula , N. B. Singh

Proceedings Volume 10980, 109801A (2019) https://doi.org/10.1117/12.2516048

KEYWORDS: Infrared detectors, Refractive index, Lead, Silicon, Sensors, Environmental sensing, Mid-IR, Infrared radiation, Glasses, Space operations

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Proceedings Article | 13 May 2019 Presentation + Paper

Deep-UV standoff Raman spectroscopy

Bradley Arnold, Eric Bowman, Leslie Scheurer

Proceedings Volume 10983, 109830H (2019) https://doi.org/10.1117/12.2519033

KEYWORDS: Raman spectroscopy, Deep ultraviolet, Resonance enhancement, Absorption, Oxygen, Ultraviolet radiation, Calibration, Raman scattering, Pulsed laser operation, Spectroscopy

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Proceedings Article | 13 May 2019 Presentation + Paper

Eye-safe standoff chemical threat detection using deep ultra-violet Raman spectroscopy and lidar imaging

Jeffrey Oleske, Justin Cooper, Bradley Arnold, Christopher Cooper, Michael Matrona

Proceedings Volume 10983, 109830F (2019) https://doi.org/10.1117/12.2519235

KEYWORDS: Sensors, Raman spectroscopy, Photons, CCD image sensors, Microchannel plates, Spectroscopy, Cameras, Standoff detection, Ultraviolet radiation, Deep ultraviolet

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Proceedings Article | 2 May 2019 Presentation + Paper

Importance of lotus effect on surface sensing

Stacey Sova, Narasimha Prasad, Christopher Cooper, Lisa Kelly, Bradley Arnold, Brian Cullum, Fow-Sen Choa, N. B. Singh

Proceedings Volume 11020, 1102005 (2019) https://doi.org/10.1117/12.2519738

KEYWORDS: Nanoparticles, Polymers, Thin films, Polymer thin films, Polymethylmethacrylate, Glasses, Ultraviolet radiation, Absorbance, Scanning electron microscopy, Absorption

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Proceedings Article | 2 May 2019 Presentation + Paper

Effect of processing on morphology of hydroxyapatites: bioactive glasses and crystalline composites

Joel McAdams, Eric Bowman, Brian Cullum, Bradley Arnold, Lisa Kelly, Fow Sen Choa, N. B. Singh, Ching Hua Su, K. Mandal, Shruti Singh

Proceedings Volume 11020, 1102006 (2019) https://doi.org/10.1117/12.2516042

KEYWORDS: Glasses, Scanning electron microscopy, Crystals, Raman spectroscopy, Bone, Infrared spectroscopy, Composites, Annealing, Tissues, Microscopes

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Proceedings Article | 23 May 2018 Presentation + Paper

Effect of additives: Organic-metal oxide nanocomposites for γ-ray sensors

N. B. Singh, Ching Hua Su, Bradley Arnold, Fow-Sen Choa, Christopher Cooper, Stacey Sova, Puneet Gill, Vishall Dayal, Lisa Kelly, Narasimha Prasad, Paul Smith, Brian Cullum

Proceedings Volume 10629, 106290D (2018) https://doi.org/10.1117/12.2301084

KEYWORDS: Composites, Oxides, Sensors, Urea, Nickel, Metals, Nanocomposites, Crystals, Nanoparticles, Particles

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Proceedings Article | 15 May 2018 Presentation

Surface modification at nanoscale; Nanoparticle-nanowire transition (Conference Presentation)

Narsingh Bahadur Singh, Ching Hua Su, Sam Coriell, Kamdeo Mandal, Fow-Sen Choa, Bradley Arnold, Brian Cullum

Proceedings Volume 10662, 1066202 (2018) https://doi.org/10.1117/12.2301034

KEYWORDS: Absorption

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Proceedings Article | 14 May 2018 Presentation + Paper

Growth of bio sensor materials by physical vapor transport method

N. B. Singh, Ching Hua Su, Bradley Arnold, Brian Cullum, Fow-Sen Choa, Tara Carpenter, David Sachs, K. D. Mandal

Proceedings Volume 10662, 1066203 (2018) https://doi.org/10.1117/12.2303665

KEYWORDS: Crystals, Sensors, Biosensors, Picosecond phenomena, Chemical vapor deposition, Convection, Technetium, Oxides, Biomimetics

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Proceedings Article | 14 May 2018 Presentation + Paper

Design and characteristics of hydroxyapatites: effect of radiation

Jayati Bhavsar, Areeba Tufail, Pooja Gautam, Brad Arnold, Fow-Sen Choa, Lisa Kelly, Brian Cullum, Paul Smith, Ching Hua Su, K. Mandal, N. B. Singh

Proceedings Volume 10662, 1066205 (2018) https://doi.org/10.1117/12.2301032

KEYWORDS: Radiation effects, Bone, Tissues, Crystals, Composites, Oxides, Gallium, Glasses, Annealing, Titanium

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Proceedings Article | 23 February 2018 Paper

Optical characteristics of novel bulk and nanoengineered laser host materials

Narasimha Prasad, Stacey Sova, Lisa Kelly, Talon Bevan, Bradley Arnold, Christopher Cooper, Fow-Sen Choa, N. B. Singh

Proceedings Volume 10533, 1053320 (2018) https://doi.org/10.1117/12.2295994

KEYWORDS: Crystals, Lanthanum, Calcium, Silicates, Luminescence, Neodymium, Absorbance, Iron, Chromium, Solids

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Proceedings Article | 15 September 2017 Paper

Ionizing organic compound based nanocomposites for efficient γ-ray sensor

N. Singh, Ching-Hua Su, Bradley Arnold, Fow-Sen Choa, Vishall Dayal, Monia Kabandana , David House

Proceedings Volume 10392, 1039210 (2017) https://doi.org/10.1117/12.2279121

KEYWORDS: Gamma radiation, Sensors, Composites, Oxides, Carbonates, Photoelectric effect, Chemical species, Nanocomposites, Crystals, Semiconductors

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SPIE Journal Paper | 19 July 2017

Nanomorphology and performance of pure and doped lead selenide for infrared detector

Narsingh Bahadur Singh, Christopher Cooper, Pietro Strobbia, Narasimha Prasad, Ching Hua Su, Bradley Arnold, Fow-Sen Choa

OE, Vol. 56, Issue 07, 077106, (July 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.7.077106

KEYWORDS: Annealing, Lead, Cadmium, Infrared detectors, Glasses, Silicon, Nanorods, Mid-IR, Tin, Scanning electron microscopy

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Proceedings Article | 13 July 2016 Paper

Low temperature processing of dielectric perovskites for energy storage

N. Singh, Ben Schreib, Michael Devilbiss, Julian Loiacono, Bradley Arnold, Fow-Sen Choa, K. Mandal

Proceedings Volume 9865, 986509 (2016) https://doi.org/10.1117/12.2220059

KEYWORDS: Perovskite, Dielectrics, Copper, Calcium, Oxides, Capacitors, Lanthanum, Electrodes, Annealing, Crystals

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Proceedings Article | 13 May 2016 Paper

Effect of pH on the morphology of kidney stones

Neelesh Agarwal, Stacey Sova, N. Singh, Brad Arnold, Fow-Sen Choa, Brian Cullum, Ching-Hua Su

Proceedings Volume 9863, 986303 (2016) https://doi.org/10.1117/12.2219939

KEYWORDS: Crystals, Renal calculi, Oxides, Carbonates, Calcium, Urea, Kidney, Sodium, Glucose, Prisms

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Proceedings Article | 13 May 2016 Paper

Growth mechanism of nanowires: binary and ternary chalcogenides

N. Singh, S. Coriell, Ching Hua Su, R. Hopkins, B. Arnold, Fow-Sen Choa, Brian Cullum

Proceedings Volume 9863, 986304 (2016) https://doi.org/10.1117/12.2220154

KEYWORDS: Nanowires, Binary data, Chalcogenides, Thallium, Arsenic, Lead, Liquids, Diffusion, Quartz, Chemical species

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Proceedings Article | 12 May 2016 Paper

Design and growth of novel compounds for radiation sensors: multinary chalcogenides

N. Singh, Ching-Hua Su, Teja Nagaradona, Brad Arnold, Fow-Sen Choa

Proceedings Volume 9824, 982411 (2016) https://doi.org/10.1117/12.2220405

KEYWORDS: Sensors, Chalcogenides, Crystals, Thallium, Oxides, Selenium, Polishing, Arsenic, Quartz, Surface finishing

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Proceedings Article | 18 May 2015 Paper

Effect of organic flux on the colossal dielectric constant of CaCu3Ti4O12 (CCTO)

Vishnu Razdan, Abhishek Singh, Brad Arnold, Fow-Sen Choa, Lisa Kelly, N. Singh

Proceedings Volume 9493, 949308 (2015) https://doi.org/10.1117/12.2177694

KEYWORDS: Dielectrics, Solids, Composites, Capacitors, Calcium, Copper, Ions, Particles, Polishing, Silver

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Proceedings Article | 13 May 2015 Paper

Growth and morphology of lead tin selenide for MWIR detectors

Christopher Cooper, Pietro Strobbia, Emily Schultheis, Narasimha Prasad, Bradley Arnold, Fow-Sen Choa, Narsingh Singh

Proceedings Volume 9491, 949104 (2015) https://doi.org/10.1117/12.2179724

KEYWORDS: Lead, Tin, Glasses, Silicon, Sensors, Mid-IR, Long wavelength infrared, Annealing, Thin films, Infrared detectors

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Proceedings Article | 5 September 2014 Paper

Design and growth of lead selenoiodide semiconductors crystals for radiation detection

David House, N. Singh, B. Arnold, Fow-Sen Choa, B. Schreib

Proceedings Volume 9213, 921314 (2014) https://doi.org/10.1117/12.2062047

KEYWORDS: Crystals, Lead, Sensors, Interfaces, Semiconductors, Selenium, Solids, Thermal effects, Metals, Infrared detectors

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Proceedings Article | 31 May 2013 Paper

Acousto-optical imagers for chemical and biological detection: growth and characterization of Hg2Cl2-xBrx crystals

N. Singh, Milton Gottlieb, Dennis Suhre, Tahira Raja, Bradley Arnold, Mohan Singh, David Machuga

Proceedings Volume 8719, 87190V (2013) https://doi.org/10.1117/12.2014937

KEYWORDS: Crystals, Acousto-optics, Acoustics, Imaging systems, Solids, Transducers, Crystal optics, Long wavelength infrared, Crystallography, Image processing

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Proceedings Article | 26 April 2007 Paper

Standoff detection using coherent backscattered spectroscopy

Alexander Schill, Bradley Arnold, Lisa Kelly, Paul Pellegrino

Proceedings Volume 6554, 65540G (2007) https://doi.org/10.1117/12.722309

KEYWORDS: Luminescence, Standoff detection, Spectroscopy, Ultraviolet radiation, Laser induced fluorescence, Pulsed laser operation, Signal detection, Molecules, Terahertz radiation, Laser induced breakdown spectroscopy

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Proceedings Article | 13 March 2001 Paper

Imprinted polymer sensors for contamination detection

George Murray, Bradley Arnold, Craig Kelly, O. Manuel Uy

Proceedings Volume 4206, (2001) https://doi.org/10.1117/12.418722

KEYWORDS: Polymers, Ions, Sensors, Molecules, Polymeric sensors, Explosives, Electrodes, Metals, Europium, Lanthanides

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Showing 5 of 39 publications

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