Prof. Dimitri M. Donskoy Profile

Prof. Dimitri M. Donskoy

Professor at Stevens Institute of Technology

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 20 May 2020 Paper

Vibro-acoustic modulation technique comparison with conventional nondestructive evaluation methods

Behnoush Golchinfar, Majid Ramezani, Dimitri Donskoy, Hossain Saboonchi

Proceedings Volume 11381, 113811W (2020) https://doi.org/10.1117/12.2558905

KEYWORDS: Modulation, Nondestructive evaluation, Sensors, Ultrasonics, Acoustic emission, Transducers, Signal detection, Signal processing, Bridges, Feature extraction

Read Abstract +

Proceedings Article | 15 April 2008 Paper

Variability of SCUBA diver's acoustic emission

Dimitri Donskoy, Nikolay Sedunov, Alexander Sedunov, Michael Tsionskiy

Proceedings Volume 6945, 694515 (2008) https://doi.org/10.1117/12.783500

KEYWORDS: Acoustic emission, Space based lasers, Acoustics, Environmental sensing, Pollution control, Modulation, Signal detection, Photonics, Homeland security, Scanning probe lithography

Read Abstract +

Proceedings Article | 17 May 2006 Paper

High frequency modulation approach for the nonlinear seismo-acoustic detection of buried landmines

Dimitri Donskoy, Andrei Zagrai, Doug Fenneman, Mikhail Tsionskiy, Nikolay Sedunov

Proceedings Volume 6217, 62170X (2006) https://doi.org/10.1117/12.666457

KEYWORDS: Mining, Land mines, Acoustics, Nonlinear response, Modulation, Dynamical systems, Complex systems, Laser Doppler velocimetry, Frequency modulation, Sensors

Read Abstract +

Proceedings Article | 4 April 2006 Paper

Micro/meso scale fatigue damage accumulation monitoring using nonlinear acoustic vibro-modulation measurements

Andrei Zagrai, Dimitri Donskoy, Alexander Chudnovsky, Edward Golovin, Vinod Agarwala

Proceedings Volume 6175, 617506 (2006) https://doi.org/10.1117/12.658558

KEYWORDS: Acoustics, Aluminum, Scanning electron microscopy, Ultrasonics, Modulation, Nondestructive evaluation, Transducers, Failure analysis, Statistical analysis, Structural health monitoring

Read Abstract +

Proceedings Article | 21 September 2004 Paper

Resonance vibrations of buried landmines

Andrei Zagrai, Dimitri Donskoy, Alexander Ekimov

Proceedings Volume 5415, (2004) https://doi.org/10.1117/12.540670

KEYWORDS: Mining, Land mines, Soil science, Laser Doppler velocimetry, Solids, Acoustics, Mirrors, Oscillators, Velocity measurements, 3D metrology

Read Abstract +

Proceedings Article | 18 August 2003 Paper

N-SCAN: new vibromodulation system for detection and monitoring of cracks and other contact-type defects

Dmitri Donskoy, Alexander Ekimov, Emile Luzzato, Jean-Louis Lottiaux, Stanislav Stoupin, Andrei Zagrai

Proceedings Volume 5057, (2003) https://doi.org/10.1117/12.484635

KEYWORDS: Modulation, Ultrasonics, Nondestructive evaluation, Transducers, Interfaces, Inspection, Nonlinear response, Acoustics, Nonlinear optics, Transmitters

Read Abstract +

In recent years, innovative vibro-modulation technique has been introduced for detection of contact-type interfaces such as cracks, debondings, and delaminations. The technique utilizes the effect of nonlinear interaction of ultrasound and vibrations at the interface of the defect. Vibration varies on the contact area of the interface modulating passing through ultrasonic wave. The modulation manifests itself as additional side-band spectral components with the combination frequencies in the spectrum of the received signal. The presence of these components allows for detection and differentiation of the contact-type defects from other structural and material inhomogeneities. Vibro-modulation technique has been implemented in N-SCAN damage detection system. The system consists of a digital synthesizer, high and low frequency amplifiers, a magnetostrictive shaker, ultrasonic transducers and a PC-based data acquisition/processing station with N-SCAN software. The ability of the system to detect contact-type defects was experimentally verified using specimens of simple and complex geometries made of steel, aluminum, composites and other structural materials. N-SCAN proved to be very effective for nondestructive testing of full-scale structures ranging from 24 foot-long gun barrels to stainless steel pipes used in nuclear power plants. Among advantages of the system are applicability for the wide range of structural materials and for structures with complex geometries, real time data processing, convenient interface for system operation, simplicity of interpretation of results, no need for sensor scanning along structure, onsite inspection of large structures at a fraction of time as compared with conventional techniques. This paper describes the basic principles of nonlinear vibro-modulation NDE technique, some theoretical background for nonlinear interaction and justification of signal processing algorithm. It is also presents examples of practical implementation and application of the technique.

Proceedings Article | 13 August 2002 Paper

Nonlinear seismo-acoustic land mine detection: field test

Dmitri Donskoy, Alexander Ekimov, Nikolay Sedunov, Mikhail Tsionskiy

Proceedings Volume 4742, (2002) https://doi.org/10.1117/12.479140

KEYWORDS: Mining, Land mines, Soil science, Acoustics, Target detection, Nonlinear optics, Metals, Nonlinear response, Detection and tracking algorithms, Detector development

Read Abstract +

Proceedings Article | 18 October 2001 Paper

Optimization of seismo-acoustic landmine detection using dynamic mechanical impedances of mines and soil

Dmitri Donskoy, Nikolay Sedunov, Alexander Ekimov, Mikhail Tsionskiy

Proceedings Volume 4394, (2001) https://doi.org/10.1117/12.445510

KEYWORDS: Mining, Land mines, Optimization (mathematics), Soil science, Metals, Interfaces, Affine motion model, Detection and tracking algorithms, Systems modeling, Dynamical systems

Read Abstract +

Proceedings Article | 2 August 1999 Paper

Detection and discrimination of nonmetallic land mines

Dmitri Donskoy

Proceedings Volume 3710, (1999) https://doi.org/10.1117/12.357031

KEYWORDS: Mining, Land mines, Sensors, Solids, Interfaces, Acoustics, Nonlinear optics, Remote sensing, Signal generators, Mathematical modeling

Read Abstract +

Proceedings Article | 4 September 1998 Paper

Nonlinear vibro-acoustic technique for land mine detection

Dmitri Donskoy

Proceedings Volume 3392, (1998) https://doi.org/10.1117/12.324177

KEYWORDS: Land mines, Mining, Sensors, Interfaces, Ultrasonics, Metals, Acoustics, Nonlinear optics, Solids, Signal detection

Read Abstract +

Proceedings Article | 31 March 1998 Paper

Vibro-acoustic modulation nondestructive evaluation technique

Alexander Sutin, Dmitri Donskoy

Proceedings Volume 3397, (1998) https://doi.org/10.1117/12.305057

KEYWORDS: Modulation, Acoustics, Nondestructive evaluation, Nonlinear optics, Interfaces, Ultrasonics, Wave plates, Ultrasonography, Composites, Wave propagation

Read Abstract +

Proceedings Article | 17 April 1995 Paper

High-average-power quasi-cw tunable polymer laser

Alexander Bank, Dmitri Donskoy, Vladimir Nechitailo

Proceedings Volume 2380, (1995) https://doi.org/10.1117/12.206961

KEYWORDS: Polymers, Pulsed laser operation, Tunable lasers, Dye lasers, Mirrors, Laser damage threshold, Laser induced damage, Optical components, Laser resonators, Resonators

Read Abstract +

Proceedings Article | 23 December 1994 Paper

Tunable solid state laser system for dermatology applications

Zion Azar, Alexander Bank, Dmitri Donskoy, Vladimir Nechitailo

Proceedings Volume 2327, (1994) https://doi.org/10.1117/12.197608

KEYWORDS: Nd:YAG lasers, Laser systems engineering, Solid state lasers, Laser applications, Polymers, Dermatology, Q switched lasers, Medical laser equipment, Laser development, Pulsed laser operation

Read Abstract +

Showing 5 of 13 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years