Dr. Donald J. Roth Profile

Dr. Donald J. Roth

NDE Team Lead at NASA Glenn Research Ctr

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 9 May 2005 Paper

Approaches for non-uniformity correction and dynamic range extension for acoustography

Don Roth, Ameya Mandlik, Jaswinder Sandhu, Lucien Hertert

Proceedings Volume 5770, (2005) https://doi.org/10.1117/12.601034

KEYWORDS: Sensors, Acousto-optics, Image sensors, Signal attenuation, Adaptive optics, Ultrasonics, Image processing, Ultrasonography, Nonuniformity corrections, Composites

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Proceedings Article | 20 July 2004 Paper

A comparison of traditional and emerging ultrasonic methods for the nondestructive evaluation of polymer matrix composites subjected to impact damage

Richard Martin, Donald Roth, Charles Pergantis, Jaswinder Sandhu

Proceedings Volume 5393, (2004) https://doi.org/10.1117/12.543704

KEYWORDS: Ultrasonics, Inspection, Waveguides, Acousto-optics, Sensors, Transducers, Composites, Ultrasonography, Polymers, Nondestructive evaluation

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Proceedings Article | 20 July 2004 Paper

Optimization of a guided wave scanning system on a composite material

Laura Cosgriff, Richard Martin, Donald Roth

Proceedings Volume 5393, (2004) https://doi.org/10.1117/12.543029

KEYWORDS: Waveguides, Transducers, Ultrasonics, Composites, Wave plates, Scanners, Silicon, Signal processing, Nondestructive evaluation, Image processing

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Proceedings Article | 1 August 2003 Paper

Development and testing of an automated acousto-ultrasonic scan system

Richard Martin, Andrew Gyekenyesi, Donald Roth

Proceedings Volume 5046, (2003) https://doi.org/10.1117/12.484295

KEYWORDS: Transducers, Composites, Ultrasonics, Nondestructive evaluation, Ceramics, Scanners, Signal detection, Data acquisition, Wave plates, Signal attenuation

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Proceedings Article | 18 December 2001 Paper

Effect of twin boundaries on the spectroscopic performance of CdZnTe detectors

Bradford Parker, Carl Stahle, Don Roth, R. Sachidananda Babu, Jack Tueller

Proceedings Volume 4507, (2001) https://doi.org/10.1117/12.450743

KEYWORDS: Sensors, Infrared imaging, Infrared radiation, Sensor performance, X-rays, Tellurium, Image transmission, Tungsten, X-ray detectors, Space telescopes

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Proceedings Article | 15 November 1996 Paper

Eliminating the effect of plate thickness variation in ultrasonic images using a single transducer method

Don Roth

Proceedings Volume 2944, (1996) https://doi.org/10.1117/12.259047

KEYWORDS: Ultrasonics, Transducers, Reflectors, Silicon, Ceramics, Signal attenuation, Ultrasonography, Astatine, Velocity measurements, Nondestructive evaluation

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